diff --git a/add.go b/add.go
index 987313e18..1bb6c8500 100644
--- a/add.go
+++ b/add.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -115,7 +114,7 @@ func getURL(src string, chown *idtools.IDPair, mountpoint, renameTarget string,
 	if size < 0 {
 		// Create a temporary file and copy the content to it, so that
 		// we can figure out how much content there is.
-		f, err := ioutil.TempFile(mountpoint, "download")
+		f, err := os.CreateTemp(mountpoint, "download")
 		if err != nil {
 			return fmt.Errorf("creating temporary file to hold %q: %w", src, err)
 		}
diff --git a/buildah.go b/buildah.go
index 3802a727f..f934c32fd 100644
--- a/buildah.go
+++ b/buildah.go
@@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"sort"
@@ -402,7 +401,7 @@ func OpenBuilder(store storage.Store, container string) (*Builder, error) {
 	if err != nil {
 		return nil, err
 	}
-	buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+	buildstate, err := os.ReadFile(filepath.Join(cdir, stateFile))
 	if err != nil {
 		return nil, err
 	}
@@ -444,7 +443,7 @@ func OpenBuilderByPath(store storage.Store, path string) (*Builder, error) {
 		if err != nil {
 			return nil, err
 		}
-		buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+		buildstate, err := os.ReadFile(filepath.Join(cdir, stateFile))
 		if err != nil {
 			if errors.Is(err, os.ErrNotExist) {
 				logrus.Debugf("error reading %q: %v, ignoring container %q", filepath.Join(cdir, stateFile), err, container.ID)
@@ -481,7 +480,7 @@ func OpenAllBuilders(store storage.Store) (builders []*Builder, err error) {
 		if err != nil {
 			return nil, err
 		}
-		buildstate, err := ioutil.ReadFile(filepath.Join(cdir, stateFile))
+		buildstate, err := os.ReadFile(filepath.Join(cdir, stateFile))
 		if err != nil {
 			if errors.Is(err, os.ErrNotExist) {
 				logrus.Debugf("%v, ignoring container %q", err, container.ID)
diff --git a/chroot/run_common.go b/chroot/run_common.go
index 040b68286..e93af1e6b 100644
--- a/chroot/run_common.go
+++ b/chroot/run_common.go
@@ -8,7 +8,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"os/signal"
@@ -690,7 +689,7 @@ func runUsingChrootExecMain() {
 			os.Exit(1)
 		}
 	} else {
-		setgroups, _ := ioutil.ReadFile("/proc/self/setgroups")
+		setgroups, _ := os.ReadFile("/proc/self/setgroups")
 		if strings.Trim(string(setgroups), "\n") != "deny" {
 			logrus.Debugf("clearing supplemental groups")
 			if err = syscall.Setgroups([]int{}); err != nil {
diff --git a/chroot/seccomp.go b/chroot/seccomp.go
index 714dca628..cd203411b 100644
--- a/chroot/seccomp.go
+++ b/chroot/seccomp.go
@@ -5,7 +5,7 @@ package chroot
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/containers/common/pkg/seccomp"
 	specs "github.com/opencontainers/runtime-spec/specs-go"
@@ -187,7 +187,7 @@ func setupSeccomp(spec *specs.Spec, seccompProfilePath string) error {
 		}
 		spec.Linux.Seccomp = seccompConfig
 	default:
-		seccompProfile, err := ioutil.ReadFile(seccompProfilePath)
+		seccompProfile, err := os.ReadFile(seccompProfilePath)
 		if err != nil {
 			return fmt.Errorf("opening seccomp profile failed: %w", err)
 		}
diff --git a/cmd/buildah/from.go b/cmd/buildah/from.go
index a01175565..186ff1a72 100644
--- a/cmd/buildah/from.go
+++ b/cmd/buildah/from.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@@ -166,7 +165,7 @@ func onBuild(builder *buildah.Builder, quiet bool) error {
 		case "RUN":
 			var stdout io.Writer
 			if quiet {
-				stdout = ioutil.Discard
+				stdout = io.Discard
 			}
 			if err := builder.Run(args, buildah.RunOptions{Stdout: stdout}); err != nil {
 				return err
@@ -347,7 +346,7 @@ func fromCmd(c *cobra.Command, args []string, iopts fromReply) error {
 
 	if iopts.cidfile != "" {
 		filePath := iopts.cidfile
-		if err := ioutil.WriteFile(filePath, []byte(builder.ContainerID), 0644); err != nil {
+		if err := os.WriteFile(filePath, []byte(builder.ContainerID), 0644); err != nil {
 			return fmt.Errorf("failed to write container ID file %q: %w", filePath, err)
 		}
 	}
diff --git a/cmd/buildah/manifest.go b/cmd/buildah/manifest.go
index d80663957..b3a8ad62c 100644
--- a/cmd/buildah/manifest.go
+++ b/cmd/buildah/manifest.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"strings"
 
@@ -913,7 +912,7 @@ func manifestPush(systemContext *types.SystemContext, store storage.Store, listI
 	}
 
 	if opts.digestfile != "" {
-		if err = ioutil.WriteFile(opts.digestfile, []byte(digest.String()), 0644); err != nil {
+		if err = os.WriteFile(opts.digestfile, []byte(digest.String()), 0644); err != nil {
 			return util.GetFailureCause(err, fmt.Errorf("failed to write digest to file %q: %w", opts.digestfile, err))
 		}
 	}
diff --git a/cmd/buildah/push.go b/cmd/buildah/push.go
index 5c7c97c6b..c2706a484 100644
--- a/cmd/buildah/push.go
+++ b/cmd/buildah/push.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@@ -246,7 +245,7 @@ func pushCmd(c *cobra.Command, args []string, iopts pushOptions) error {
 	logrus.Debugf("Successfully pushed %s with digest %s", transports.ImageName(dest), digest.String())
 
 	if iopts.digestfile != "" {
-		if err = ioutil.WriteFile(iopts.digestfile, []byte(digest.String()), 0644); err != nil {
+		if err = os.WriteFile(iopts.digestfile, []byte(digest.String()), 0644); err != nil {
 			return util.GetFailureCause(err, fmt.Errorf("failed to write digest to file %q: %w", iopts.digestfile, err))
 		}
 	}
diff --git a/commit.go b/commit.go
index e53fbfe87..21ec6ea54 100644
--- a/commit.go
+++ b/commit.go
@@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@@ -392,7 +391,7 @@ func (b *Builder) Commit(ctx context.Context, dest types.ImageReference, options
 			dest = dest2
 		}
 		if options.IIDFile != "" {
-			if err = ioutil.WriteFile(options.IIDFile, []byte("sha256:"+img.ID), 0644); err != nil {
+			if err = os.WriteFile(options.IIDFile, []byte("sha256:"+img.ID), 0644); err != nil {
 				return imgID, nil, "", err
 			}
 		}
diff --git a/copier/copier.go b/copier/copier.go
index 0ed5918ad..7bfbf9d1a 100644
--- a/copier/copier.go
+++ b/copier/copier.go
@@ -8,7 +8,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"net"
 	"os"
 	"os/user"
@@ -573,7 +572,7 @@ func copierWithSubprocess(bulkReader io.Reader, bulkWriter io.Writer, req reques
 		bulkReader = bytes.NewReader([]byte{})
 	}
 	if bulkWriter == nil {
-		bulkWriter = ioutil.Discard
+		bulkWriter = io.Discard
 	}
 	cmd := reexec.Command(copierCommand)
 	stdinRead, stdinWrite, err := os.Pipe()
diff --git a/copier/copier_linux_test.go b/copier/copier_linux_test.go
index 1fde2ad93..93a8a3ac1 100644
--- a/copier/copier_linux_test.go
+++ b/copier/copier_linux_test.go
@@ -7,7 +7,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"testing"
@@ -124,11 +123,11 @@ func testGetPermissionError(t *testing.T) {
 	require.NoError(t, err, "error creating a readable directory")
 	err = os.Mkdir(filepath.Join(tmp, "readable-directory", "unreadable-subdirectory"), 0000)
 	require.NoError(t, err, "error creating an unreadable subdirectory")
-	err = ioutil.WriteFile(filepath.Join(tmp, "unreadable-file"), []byte("hi, i'm a file that you can't read"), 0000)
+	err = os.WriteFile(filepath.Join(tmp, "unreadable-file"), []byte("hi, i'm a file that you can't read"), 0000)
 	require.NoError(t, err, "error creating an unreadable file")
-	err = ioutil.WriteFile(filepath.Join(tmp, "readable-file"), []byte("hi, i'm also a file, and you can read me"), 0644)
+	err = os.WriteFile(filepath.Join(tmp, "readable-file"), []byte("hi, i'm also a file, and you can read me"), 0644)
 	require.NoError(t, err, "error creating a readable file")
-	err = ioutil.WriteFile(filepath.Join(tmp, "readable-directory", "unreadable-file"), []byte("hi, i'm also a file that you can't read"), 0000)
+	err = os.WriteFile(filepath.Join(tmp, "readable-directory", "unreadable-file"), []byte("hi, i'm also a file that you can't read"), 0000)
 	require.NoError(t, err, "error creating an unreadable file in a readable directory")
 	for _, ignore := range []bool{false, true} {
 		t.Run(fmt.Sprintf("ignore=%v", ignore), func(t *testing.T) {
@@ -175,7 +174,7 @@ func TestGetNoCrossDevice(t *testing.T) {
 	}()
 
 	skipped := filepath.Join(subdir, "skipped.txt")
-	err = ioutil.WriteFile(skipped, []byte("this file should have been skipped\n"), 0644)
+	err = os.WriteFile(skipped, []byte("this file should have been skipped\n"), 0644)
 	require.NoErrorf(t, err, "error writing file at %q", skipped)
 
 	var buf bytes.Buffer
diff --git a/copier/copier_test.go b/copier/copier_test.go
index 7b9e4d421..ea4e99476 100644
--- a/copier/copier_test.go
+++ b/copier/copier_test.go
@@ -9,7 +9,6 @@ import (
 	"fmt"
 	"io"
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"path"
 	"path/filepath"
@@ -779,7 +778,7 @@ func testGetSingle(t *testing.T) {
 					}
 					t.Run(fmt.Sprintf("absolute=%t,topdir=%s,archive=%s,item=%s", absolute, topdir, testArchive.name, name), func(t *testing.T) {
 						// check if we can get this one item
-						err := Get(root, topdir, getOptions, []string{name}, ioutil.Discard)
+						err := Get(root, topdir, getOptions, []string{name}, io.Discard)
 						// if we couldn't read that content, check if it's one of the expected failures
 						if err != nil && isExpectedError(err, topdir != "" && topdir != ".", testItem.Name, testArchive.expectedGetErrors) {
 							return
@@ -1404,7 +1403,7 @@ func testGetMultiple(t *testing.T) {
 
 				t.Run(fmt.Sprintf("topdir=%s,archive=%s,case=%s,pattern=%s", topdir, testArchive.name, testCase.name, testCase.pattern), func(t *testing.T) {
 					// ensure that we can get stuff using this spec
-					err := Get(root, topdir, getOptions, []string{testCase.pattern}, ioutil.Discard)
+					err := Get(root, topdir, getOptions, []string{testCase.pattern}, io.Discard)
 					if err != nil && isExpectedError(err, topdir != "" && topdir != ".", testCase.pattern, testArchive.expectedGetErrors) {
 						return
 					}
diff --git a/copier/xattrs_test.go b/copier/xattrs_test.go
index 0a07dced2..7f3e28032 100644
--- a/copier/xattrs_test.go
+++ b/copier/xattrs_test.go
@@ -3,7 +3,6 @@ package copier
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"syscall"
 	"testing"
@@ -28,7 +27,7 @@ func TestXattrs(t *testing.T) {
 	tmp := t.TempDir()
 	for attribute, value := range testValues {
 		t.Run(fmt.Sprintf("attribute=%s", attribute), func(t *testing.T) {
-			f, err := ioutil.TempFile(tmp, "copier-xattr-test-")
+			f, err := os.CreateTemp(tmp, "copier-xattr-test-")
 			if !assert.Nil(t, err, "error creating test file: %v", err) {
 				t.FailNow()
 			}
diff --git a/define/types.go b/define/types.go
index 0141ff70f..318e4a3ad 100644
--- a/define/types.go
+++ b/define/types.go
@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	urlpkg "net/url"
 	"os"
@@ -121,7 +121,7 @@ func TempDirForURL(dir, prefix, url string) (name string, subdir string, err err
 		url != "-" {
 		return "", "", nil
 	}
-	name, err = ioutil.TempDir(dir, prefix)
+	name, err = os.MkdirTemp(dir, prefix)
 	if err != nil {
 		return "", "", fmt.Errorf("creating temporary directory for %q: %w", url, err)
 	}
@@ -255,7 +255,7 @@ func downloadToDirectory(url, dir string) error {
 			return err
 		}
 		defer resp1.Body.Close()
-		body, err := ioutil.ReadAll(resp1.Body)
+		body, err := io.ReadAll(resp1.Body)
 		if err != nil {
 			return err
 		}
@@ -271,7 +271,7 @@ func downloadToDirectory(url, dir string) error {
 func stdinToDirectory(dir string) error {
 	logrus.Debugf("extracting stdin to %q", dir)
 	r := bufio.NewReader(os.Stdin)
-	b, err := ioutil.ReadAll(r)
+	b, err := io.ReadAll(r)
 	if err != nil {
 		return fmt.Errorf("failed to read from stdin: %w", err)
 	}
diff --git a/digester_test.go b/digester_test.go
index 5a6ad21ff..58dc00917 100644
--- a/digester_test.go
+++ b/digester_test.go
@@ -4,7 +4,6 @@ import (
 	"archive/tar"
 	"bytes"
 	"io"
-	"io/ioutil"
 	"strings"
 	"sync"
 	"testing"
@@ -167,7 +166,7 @@ func TestCompositeDigester(t *testing.T) {
 								// the filter should have left modtime to "roughly now"
 								require.NotEqual(t, zero, hdr.ModTime, "timestamp for entry should not have been zero")
 							}
-							n, err = io.Copy(ioutil.Discard, tr)
+							n, err = io.Copy(io.Discard, tr)
 							require.Nil(t, err, "error reading tar content from buffer: %v", err)
 							require.Equal(t, hdr.Size, n, "short read reading tar content")
 							hdr, err = tr.Next()
diff --git a/image.go b/image.go
index cc56ff2da..01c1784d2 100644
--- a/image.go
+++ b/image.go
@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -309,7 +308,7 @@ func (i *containerImageRef) NewImageSource(ctx context.Context, sc *types.System
 	logrus.Debugf("layer list: %q", layers)
 
 	// Make a temporary directory to hold blobs.
-	path, err := ioutil.TempDir(os.TempDir(), define.Package)
+	path, err := os.MkdirTemp(os.TempDir(), define.Package)
 	if err != nil {
 		return nil, fmt.Errorf("creating temporary directory to hold layer blobs: %w", err)
 	}
diff --git a/imagebuildah/build.go b/imagebuildah/build.go
index b09e68b8e..f82de7176 100644
--- a/imagebuildah/build.go
+++ b/imagebuildah/build.go
@@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"os/exec"
@@ -153,7 +152,7 @@ func BuildDockerfiles(ctx context.Context, store storage.Store, options define.B
 			if err != nil {
 				return "", nil, err
 			}
-			data = ioutil.NopCloser(pData)
+			data = io.NopCloser(pData)
 		}
 
 		dockerfiles = append(dockerfiles, data)
diff --git a/imagebuildah/executor.go b/imagebuildah/executor.go
index d161b1bb9..0963ce504 100644
--- a/imagebuildah/executor.go
+++ b/imagebuildah/executor.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"sort"
 	"strconv"
@@ -200,7 +199,7 @@ func newExecutor(logger *logrus.Logger, logPrefix string, store storage.Store, o
 
 	writer := options.ReportWriter
 	if options.Quiet {
-		writer = ioutil.Discard
+		writer = io.Discard
 	}
 
 	var rusageLogFile io.Writer
@@ -589,7 +588,7 @@ func (b *Executor) Build(ctx context.Context, stages imagebuilder.Stages) (image
 
 	stdout := b.out
 	if b.quiet {
-		b.out = ioutil.Discard
+		b.out = io.Discard
 	}
 
 	cleanup := func() error {
@@ -954,7 +953,7 @@ func (b *Executor) Build(ctx context.Context, stages imagebuilder.Stages) (image
 	}
 	logrus.Debugf("printing final image id %q", imageID)
 	if b.iidfile != "" {
-		if err = ioutil.WriteFile(b.iidfile, []byte("sha256:"+imageID), 0644); err != nil {
+		if err = os.WriteFile(b.iidfile, []byte("sha256:"+imageID), 0644); err != nil {
 			return imageID, ref, fmt.Errorf("failed to write image ID to file %q: %w", b.iidfile, err)
 		}
 	} else {
diff --git a/internal/source/add.go b/internal/source/add.go
index de1fdd57a..8363c62e5 100644
--- a/internal/source/add.go
+++ b/internal/source/add.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -116,7 +115,7 @@ func updateIndexWithNewManifestDescriptor(manifest *specV1.Descriptor, sourcePat
 	index := specV1.Index{}
 	indexPath := filepath.Join(sourcePath, "index.json")
 
-	rawData, err := ioutil.ReadFile(indexPath)
+	rawData, err := os.ReadFile(indexPath)
 	if err != nil {
 		return err
 	}
@@ -130,5 +129,5 @@ func updateIndexWithNewManifestDescriptor(manifest *specV1.Descriptor, sourcePat
 		return err
 	}
 
-	return ioutil.WriteFile(indexPath, rawData, 0644)
+	return os.WriteFile(indexPath, rawData, 0644)
 }
diff --git a/pkg/cli/build.go b/pkg/cli/build.go
index 99a78d853..3380ba9a2 100644
--- a/pkg/cli/build.go
+++ b/pkg/cli/build.go
@@ -8,7 +8,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -423,7 +422,7 @@ func GenBuildOptions(c *cobra.Command, inputArgs []string, iopts BuildOptions) (
 		UnsetEnvs:               iopts.UnsetEnvs,
 	}
 	if iopts.Quiet {
-		options.ReportWriter = ioutil.Discard
+		options.ReportWriter = io.Discard
 	}
 	return options, containerfiles, removeAll, nil
 }
diff --git a/pkg/overlay/overlay.go b/pkg/overlay/overlay.go
index 07bb2195a..81810d28d 100644
--- a/pkg/overlay/overlay.go
+++ b/pkg/overlay/overlay.go
@@ -2,7 +2,6 @@ package overlay
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -60,7 +59,7 @@ func TempDir(containerDir string, rootUID, rootGID int) (string, error) {
 		return "", fmt.Errorf("failed to create the overlay %s directory: %w", contentDir, err)
 	}
 
-	contentDir, err := ioutil.TempDir(contentDir, "")
+	contentDir, err := os.MkdirTemp(contentDir, "")
 	if err != nil {
 		return "", fmt.Errorf("failed to create the overlay tmpdir in %s directory: %w", contentDir, err)
 	}
@@ -291,7 +290,7 @@ func CleanupMount(contentDir string) (Err error) {
 func CleanupContent(containerDir string) (Err error) {
 	contentDir := filepath.Join(containerDir, "overlay")
 
-	files, err := ioutil.ReadDir(contentDir)
+	files, err := os.ReadDir(contentDir)
 	if err != nil {
 		if errors.Is(err, os.ErrNotExist) {
 			return nil
diff --git a/pkg/sshagent/sshagent.go b/pkg/sshagent/sshagent.go
index 9cba1780e..fd835be3e 100644
--- a/pkg/sshagent/sshagent.go
+++ b/pkg/sshagent/sshagent.go
@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"path/filepath"
@@ -80,7 +79,7 @@ func (a *AgentServer) Serve(processLabel string) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	serveDir, err := ioutil.TempDir("", ".buildah-ssh-sock")
+	serveDir, err := os.MkdirTemp("", ".buildah-ssh-sock")
 	if err != nil {
 		return "", err
 	}
@@ -223,7 +222,7 @@ func NewSource(paths []string) (*Source, error) {
 		if err != nil {
 			return nil, err
 		}
-		dt, err := ioutil.ReadAll(&io.LimitedReader{R: f, N: 100 * 1024})
+		dt, err := io.ReadAll(&io.LimitedReader{R: f, N: 100 * 1024})
 		if err != nil {
 			return nil, err
 		}
diff --git a/pkg/util/uptime_linux.go b/pkg/util/uptime_linux.go
index 7c8b6ba76..a27a48019 100644
--- a/pkg/util/uptime_linux.go
+++ b/pkg/util/uptime_linux.go
@@ -3,12 +3,12 @@ package util
 import (
 	"bytes"
 	"errors"
-	"io/ioutil"
 	"time"
+	"os"
 )
 
 func ReadUptime() (time.Duration, error) {
-	buf, err := ioutil.ReadFile("/proc/uptime")
+	buf, err := os.ReadFile("/proc/uptime")
 	if err != nil {
 		return 0, err
 	}
diff --git a/pkg/util/util.go b/pkg/util/util.go
index 20e9ede43..6bb20219d 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -2,7 +2,6 @@ package util
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -21,12 +20,12 @@ func MirrorToTempFileIfPathIsDescriptor(file string) (string, bool) {
 	if !strings.HasPrefix(file, "/dev/fd") {
 		return file, false
 	}
-	b, err := ioutil.ReadFile(file)
+	b, err := os.ReadFile(file)
 	if err != nil {
 		// if anything goes wrong return original path
 		return file, false
 	}
-	tmpfile, err := ioutil.TempFile(os.TempDir(), "buildah-temp-file")
+	tmpfile, err := os.CreateTemp(os.TempDir(), "buildah-temp-file")
 	if err != nil {
 		return file, false
 	}
diff --git a/run_common.go b/run_common.go
index 58f961426..81fe4af75 100644
--- a/run_common.go
+++ b/run_common.go
@@ -9,7 +9,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net"
 	"os"
 	"os/exec"
@@ -556,7 +555,7 @@ func runUsingRuntime(options RunOptions, configureNetwork bool, moreCreateArgs [
 	}()
 
 	// Make sure we read the container's exit status when it exits.
-	pidValue, err := ioutil.ReadFile(pidFile)
+	pidValue, err := os.ReadFile(pidFile)
 	if err != nil {
 		return 1, err
 	}
@@ -1185,7 +1184,7 @@ func (b *Builder) runUsingRuntimeSubproc(isolation define.Isolation, options Run
 			logrus.Errorf("did not get container create message from subprocess: %v", err)
 		} else {
 			pidFile := filepath.Join(bundlePath, "pid")
-			pidValue, err := ioutil.ReadFile(pidFile)
+			pidValue, err := os.ReadFile(pidFile)
 			if err != nil {
 				return err
 			}
@@ -1655,7 +1654,7 @@ func (b *Builder) getSecretMount(tokens []string, secrets map[string]define.Secr
 	switch secr.SourceType {
 	case "env":
 		data = []byte(os.Getenv(secr.Source))
-		tmpFile, err := ioutil.TempFile(define.TempDir, "buildah*")
+		tmpFile, err := os.CreateTemp(define.TempDir, "buildah*")
 		if err != nil {
 			return nil, "", err
 		}
@@ -1666,7 +1665,7 @@ func (b *Builder) getSecretMount(tokens []string, secrets map[string]define.Secr
 		if err != nil {
 			return nil, "", err
 		}
-		data, err = ioutil.ReadFile(secr.Source)
+		data, err = os.ReadFile(secr.Source)
 		if err != nil {
 			return nil, "", err
 		}
@@ -1680,7 +1679,7 @@ func (b *Builder) getSecretMount(tokens []string, secrets map[string]define.Secr
 	if err := os.MkdirAll(filepath.Dir(ctrFileOnHost), 0755); err != nil {
 		return nil, "", err
 	}
-	if err := ioutil.WriteFile(ctrFileOnHost, data, 0644); err != nil {
+	if err := os.WriteFile(ctrFileOnHost, data, 0644); err != nil {
 		return nil, "", err
 	}
 
diff --git a/run_freebsd.go b/run_freebsd.go
index ca4fd82b9..f3d5ecc25 100644
--- a/run_freebsd.go
+++ b/run_freebsd.go
@@ -6,7 +6,6 @@ package buildah
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -72,7 +71,7 @@ func setChildProcess() error {
 }
 
 func (b *Builder) Run(command []string, options RunOptions) error {
-	p, err := ioutil.TempDir("", Package)
+	p, err := os.MkdirTemp("", Package)
 	if err != nil {
 		return err
 	}
diff --git a/run_linux.go b/run_linux.go
index 93b9c2005..6370ba38d 100644
--- a/run_linux.go
+++ b/run_linux.go
@@ -7,7 +7,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -70,7 +69,7 @@ func setChildProcess() error {
 
 // Run runs the specified command in the container's root filesystem.
 func (b *Builder) Run(command []string, options RunOptions) error {
-	p, err := ioutil.TempDir("", define.Package)
+	p, err := os.MkdirTemp("", define.Package)
 	if err != nil {
 		return err
 	}
@@ -480,7 +479,7 @@ func setupRootlessNetwork(pid int) (teardown func(), err error) {
 	defer rootlessSlirpSyncR.Close()
 
 	// Be sure there are no fds inherited to slirp4netns except the sync pipe
-	files, err := ioutil.ReadDir("/proc/self/fd")
+	files, err := os.ReadDir("/proc/self/fd")
 	if err != nil {
 		return nil, fmt.Errorf("cannot list open fds: %w", err)
 	}
diff --git a/seccomp.go b/seccomp.go
index 0f9a2c48b..3348a3e1d 100644
--- a/seccomp.go
+++ b/seccomp.go
@@ -5,7 +5,7 @@ package buildah
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/containers/common/pkg/seccomp"
 	"github.com/opencontainers/runtime-spec/specs-go"
@@ -22,7 +22,7 @@ func setupSeccomp(spec *specs.Spec, seccompProfilePath string) error {
 		}
 		spec.Linux.Seccomp = seccompConfig
 	default:
-		seccompProfile, err := ioutil.ReadFile(seccompProfilePath)
+		seccompProfile, err := os.ReadFile(seccompProfilePath)
 		if err != nil {
 			return fmt.Errorf("opening seccomp profile failed: %w", err)
 		}
diff --git a/tests/conformance/conformance_test.go b/tests/conformance/conformance_test.go
index 7f2a8cc29..42be69f76 100644
--- a/tests/conformance/conformance_test.go
+++ b/tests/conformance/conformance_test.go
@@ -9,7 +9,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -174,7 +173,7 @@ func testConformanceInternal(t *testing.T, dateStamp string, testIndex int) {
 			require.Nil(t, err, "error creating test directory to check if xattrs are testable: %v", err)
 		}
 		testFile := filepath.Join(testDir, "testfile")
-		if err := ioutil.WriteFile(testFile, []byte("whatever"), 0600); err != nil {
+		if err := os.WriteFile(testFile, []byte("whatever"), 0600); err != nil {
 			require.Nil(t, err, "error creating test file to check if xattrs are testable: %v", err)
 		}
 		can := false
@@ -232,7 +231,7 @@ func testConformanceInternal(t *testing.T, dateStamp string, testIndex int) {
 	dockerfileContents := []byte(test.dockerfileContents)
 	if len(dockerfileContents) == 0 {
 		// no inlined contents -> read them from the specified location
-		contents, err := ioutil.ReadFile(dockerfileName)
+		contents, err := os.ReadFile(dockerfileName)
 		require.Nil(t, err, "error reading Dockerfile %q", filepath.Join(tempdir, dockerfileName))
 		dockerfileContents = contents
 	}
@@ -266,7 +265,7 @@ func testConformanceInternal(t *testing.T, dateStamp string, testIndex int) {
 			require.Nil(t, err, "error mounting test layer to check if xattrs are testable: %v", err)
 		}
 		testFile := filepath.Join(mountPoint, "testfile")
-		if err := ioutil.WriteFile(testFile, []byte("whatever"), 0600); err != nil {
+		if err := os.WriteFile(testFile, []byte("whatever"), 0600); err != nil {
 			require.Nil(t, err, "error creating file in test layer to check if xattrs are testable: %v", err)
 		}
 		can := false
@@ -341,7 +340,7 @@ func testConformanceInternalBuild(ctx context.Context, t *testing.T, cwd string,
 	// contents we were passed, which may only be an initial subset of the
 	// original file, or inlined information, in which case the file didn't
 	// necessarily exist
-	err := ioutil.WriteFile(dockerfileName, dockerfileContents, 0644)
+	err := os.WriteFile(dockerfileName, dockerfileContents, 0644)
 	require.Nil(t, err, "error writing Dockerfile at %q", dockerfileName)
 	err = os.Chtimes(dockerfileName, testDate, testDate)
 	require.Nil(t, err, "error resetting timestamp on Dockerfile at %q", dockerfileName)
@@ -364,7 +363,7 @@ func testConformanceInternalBuild(ctx context.Context, t *testing.T, cwd string,
 				dockerfileContents = append(dockerfileContents, []byte("\n(no final end-of-line)")...)
 			}
 			t.Logf("Dockerfile contents:\n%s", dockerfileContents)
-			if dockerignoreContents, err := ioutil.ReadFile(filepath.Join(contextDir, ".dockerignore")); err == nil {
+			if dockerignoreContents, err := os.ReadFile(filepath.Join(contextDir, ".dockerignore")); err == nil {
 				t.Logf(".dockerignore contents:\n%s", string(dockerignoreContents))
 			}
 		}
@@ -796,14 +795,14 @@ func saveReport(ctx context.Context, t *testing.T, ref types.ImageReference, dir
 	err := os.MkdirAll(directory, 0755)
 	require.Nil(t, err, "error ensuring directory %q exists for storing a report")
 	// save the Dockerfile that was used to generate the image
-	err = ioutil.WriteFile(filepath.Join(directory, "Dockerfile"), dockerfileContents, 0644)
+	err = os.WriteFile(filepath.Join(directory, "Dockerfile"), dockerfileContents, 0644)
 	require.Nil(t, err, "error saving Dockerfile for image %q", imageName)
 	// save the log generated while building the image
-	err = ioutil.WriteFile(filepath.Join(directory, "build.log"), buildLog, 0644)
+	err = os.WriteFile(filepath.Join(directory, "build.log"), buildLog, 0644)
 	require.Nil(t, err, "error saving build log for image %q", imageName)
 	// save the version information
 	if len(version) > 0 {
-		err = ioutil.WriteFile(filepath.Join(directory, "version"), []byte(strings.Join(version, "\n")+"\n"), 0644)
+		err = os.WriteFile(filepath.Join(directory, "version"), []byte(strings.Join(version, "\n")+"\n"), 0644)
 		require.Nil(t, err, "error saving builder version information for image %q", imageName)
 	}
 	// open the image for reading
@@ -829,10 +828,10 @@ func saveReport(ctx context.Context, t *testing.T, ref types.ImageReference, dir
 	encodedConfig, err := json.Marshal(ociConfig)
 	require.Nil(t, err, "error encoding OCI-format configuration from image %q for saving", imageName)
 	// save the config blob in the OCI format
-	err = ioutil.WriteFile(filepath.Join(directory, "oci.json"), encodedConfig, 0644)
+	err = os.WriteFile(filepath.Join(directory, "oci.json"), encodedConfig, 0644)
 	require.Nil(t, err, "error saving OCI-format configuration from image %q", imageName)
 	// save the config blob in its original format
-	err = ioutil.WriteFile(filepath.Join(directory, "config.json"), rawConfig, 0644)
+	err = os.WriteFile(filepath.Join(directory, "config.json"), rawConfig, 0644)
 	require.Nil(t, err, "error saving original configuration from image %q", imageName)
 	// start pulling layer information
 	layerBlobInfos, err := img.LayerInfosForCopy(ctx)
@@ -876,7 +875,7 @@ func saveReport(ctx context.Context, t *testing.T, ref types.ImageReference, dir
 	// there's no point in saving them for comparison later
 	encodedFSTree, err := json.Marshal(fstree.Tree)
 	require.Nil(t, err, "error encoding filesystem tree from image %q for saving", imageName)
-	err = ioutil.WriteFile(filepath.Join(directory, "fs.json"), encodedFSTree, 0644)
+	err = os.WriteFile(filepath.Join(directory, "fs.json"), encodedFSTree, 0644)
 	require.Nil(t, err, "error saving filesystem tree from image %q", imageName)
 }
 
@@ -1008,21 +1007,21 @@ func applyLayerToFSTree(t *testing.T, layer *Layer, root *FSEntry) {
 // read information about the specified image from the specified directory
 func readReport(t *testing.T, directory string) (original, oci, fs map[string]interface{}) {
 	// read the config in the as-committed (docker) format
-	originalConfig, err := ioutil.ReadFile(filepath.Join(directory, "config.json"))
+	originalConfig, err := os.ReadFile(filepath.Join(directory, "config.json"))
 	require.Nil(t, err, "error reading configuration file %q", filepath.Join(directory, "config.json"))
 	// dump it into a map
 	original = make(map[string]interface{})
 	err = json.Unmarshal(originalConfig, &original)
 	require.Nil(t, err, "error decoding configuration from file %q", filepath.Join(directory, "config.json"))
 	// read the config in converted-to-OCI format
-	ociConfig, err := ioutil.ReadFile(filepath.Join(directory, "oci.json"))
+	ociConfig, err := os.ReadFile(filepath.Join(directory, "oci.json"))
 	require.Nil(t, err, "error reading OCI configuration file %q", filepath.Join(directory, "oci.json"))
 	// dump it into a map
 	oci = make(map[string]interface{})
 	err = json.Unmarshal(ociConfig, &oci)
 	require.Nil(t, err, "error decoding OCI configuration from file %q", filepath.Join(directory, "oci.json"))
 	// read the filesystem
-	fsInfo, err := ioutil.ReadFile(filepath.Join(directory, "fs.json"))
+	fsInfo, err := os.ReadFile(filepath.Join(directory, "fs.json"))
 	require.Nil(t, err, "error reading filesystem summary file %q", filepath.Join(directory, "fs.json"))
 	// dump it into a map for comparison
 	fs = make(map[string]interface{})
@@ -1542,7 +1541,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("creating subdirectory of temporary context directory: %w", err)
 			}
 			filename := filepath.Join(contextDir, "archive", "should-be-owned-by-root")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by root in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 0, 0); err != nil {
@@ -1552,7 +1551,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on file owned by root file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "archive", "should-be-owned-by-99")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by 99 in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 99, 99); err != nil {
@@ -1628,7 +1627,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("creating subdirectory of temporary context directory: %w", err)
 			}
 			filename := filepath.Join(contextDir, "subdir", "would-be-owned-by-root")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by root in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 0, 0); err != nil {
@@ -1638,7 +1637,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on file owned by root file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "subdir", "would-be-owned-by-99")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by 99 in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 99, 99); err != nil {
@@ -1667,7 +1666,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("creating subdirectory of temporary context directory: %w", err)
 			}
 			filename := filepath.Join(contextDir, "subdir", "would-be-owned-by-root")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by root in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 0, 0); err != nil {
@@ -1677,7 +1676,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on file owned by root file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "subdir", "would-be-owned-by-99")
-			if err = ioutil.WriteFile(filename, content, 0640); err != nil {
+			if err = os.WriteFile(filename, content, 0640); err != nil {
 				return fmt.Errorf("creating file owned by 99 in temporary context directory: %w", err)
 			}
 			if err = os.Chown(filename, 99, 99); err != nil {
@@ -1724,7 +1723,7 @@ var internalTestCases = []testCase{
 		}, "\n"),
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			filename := filepath.Join(contextDir, "should-be-setuid-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating setuid test file in temporary context directory: %w", err)
 			}
 			if err = syscall.Chmod(filename, syscall.S_ISUID|0755); err != nil {
@@ -1734,7 +1733,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on setuid test file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "should-be-setgid-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating setgid test file in temporary context directory: %w", err)
 			}
 			if err = syscall.Chmod(filename, syscall.S_ISGID|0755); err != nil {
@@ -1744,7 +1743,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on setgid test file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "should-be-sticky-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating sticky test file in temporary context directory: %w", err)
 			}
 			if err = syscall.Chmod(filename, syscall.S_ISVTX|0755); err != nil {
@@ -1754,7 +1753,7 @@ var internalTestCases = []testCase{
 				return fmt.Errorf("setting date on sticky test file in temporary context directory: %w", err)
 			}
 			filename = filepath.Join(contextDir, "should-not-be-setuid-setgid-sticky-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating non-suid non-sgid non-sticky test file in temporary context directory: %w", err)
 			}
 			if err = syscall.Chmod(filename, 0640); err != nil {
@@ -1785,7 +1784,7 @@ var internalTestCases = []testCase{
 			}
 
 			filename := filepath.Join(contextDir, "xattrs-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating test file with xattrs in temporary context directory: %w", err)
 			}
 			if err = copier.Lsetxattrs(filename, map[string]string{"user.a": "test"}); err != nil {
@@ -1980,7 +1979,7 @@ var internalTestCases = []testCase{
 			}
 
 			filename := filepath.Join(contextDir, "xattrs-file")
-			if err = ioutil.WriteFile(filename, []byte("test content"), 0644); err != nil {
+			if err = os.WriteFile(filename, []byte("test content"), 0644); err != nil {
 				return fmt.Errorf("creating test file with xattrs in temporary context directory: %w", err)
 			}
 			if err = copier.Lsetxattrs(filename, map[string]string{"user.a": "test"}); err != nil {
@@ -2147,7 +2146,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/empty",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/*-a", "!**/*-c"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0600); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0600); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2167,7 +2166,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/*-a", "!**/*-c"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0644); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0644); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2187,7 +2186,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/*-a", "!**/*-c"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0600); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0600); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2207,7 +2206,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"!**/*-c"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0640); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0640); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2227,7 +2226,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("!**/*-c\n")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0100); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0100); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2247,7 +2246,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("subdir-c")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0200); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0200); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2267,7 +2266,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("subdir-c")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0400); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0400); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2287,7 +2286,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-c")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0200); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0200); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2307,7 +2306,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-c")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0400); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0400); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2327,7 +2326,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("subdir-*")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0000); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0000); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2347,7 +2346,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("subdir-*")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0660); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0660); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2367,7 +2366,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-*")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0000); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0000); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2387,7 +2386,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-*")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0660); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0660); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2407,7 +2406,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-f")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0666); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0666); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2427,7 +2426,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-f")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0640); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0640); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2447,7 +2446,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-b")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0705); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0705); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2467,7 +2466,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte("**/subdir-b")
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2487,7 +2486,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/subdir-e", "!**/subdir-f"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2507,7 +2506,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/subdir-e", "!**/subdir-f"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2527,7 +2526,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/subdir-f", "!**/subdir-g"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
@@ -2547,7 +2546,7 @@ var internalTestCases = []testCase{
 		contextDir: "dockerignore/populated",
 		tweakContextDir: func(t *testing.T, contextDir, storageDriver, storageRoot string) (err error) {
 			dockerignore := []byte(strings.Join([]string{"**/subdir-f", "!**/subdir-g"}, "\n"))
-			if err := ioutil.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
+			if err := os.WriteFile(filepath.Join(contextDir, ".dockerignore"), dockerignore, 0750); err != nil {
 				return fmt.Errorf("writing .dockerignore file: %w", err)
 			}
 			if err = os.Chtimes(filepath.Join(contextDir, ".dockerignore"), testDate, testDate); err != nil {
diff --git a/tests/e2e/buildah_suite_test.go b/tests/e2e/buildah_suite_test.go
index 74344bd16..95d5bbb87 100644
--- a/tests/e2e/buildah_suite_test.go
+++ b/tests/e2e/buildah_suite_test.go
@@ -6,7 +6,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -88,7 +87,7 @@ var _ = BeforeSuite(func() {
 
 // CreateTempDirin
 func CreateTempDirInTempDir() (string, error) {
-	return ioutil.TempDir("", "buildah_test")
+	return os.MkdirTemp("", "buildah_test")
 }
 
 // BuildahCreate a BuildAhTest instance for the tests
diff --git a/tests/serve/serve.go b/tests/serve/serve.go
index cd28d6511..059e24850 100644
--- a/tests/serve/serve.go
+++ b/tests/serve/serve.go
@@ -3,7 +3,6 @@ package main
 import (
 	"context"
 	"errors"
-	"io/ioutil"
 	"log"
 	"net"
 	"net/http"
@@ -49,7 +48,7 @@ func main() {
 		BaseContext: func(l net.Listener) context.Context {
 			if tcp, ok := l.Addr().(*net.TCPAddr); ok {
 				if len(args) > 3 {
-					f, err := ioutil.TempFile(filepath.Dir(args[3]), filepath.Base(args[3]))
+					f, err := os.CreateTemp(filepath.Dir(args[3]), filepath.Base(args[3]))
 					if err != nil {
 						log.Fatalf("%v", err)
 					}
diff --git a/tests/testreport/testreport.go b/tests/testreport/testreport.go
index af55b55fa..64a55cf52 100644
--- a/tests/testreport/testreport.go
+++ b/tests/testreport/testreport.go
@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -181,7 +180,7 @@ func getProcessAppArmorProfile(r *types.TestReport) error {
 
 func getProcessOOMScoreAdjust(r *types.TestReport) error {
 	node := "/proc/self/oom_score_adj"
-	score, err := ioutil.ReadFile(node)
+	score, err := os.ReadFile(node)
 	if err != nil {
 		return fmt.Errorf("reading %q: %w", node, err)
 	}
@@ -313,7 +312,7 @@ func getLinuxSysctl(r *types.TestReport) error {
 		if info.IsDir() {
 			return nil
 		}
-		value, err := ioutil.ReadFile(path)
+		value, err := os.ReadFile(path)
 		if err != nil {
 			if pe, ok := err.(*os.PathError); ok {
 				if errno, ok := pe.Err.(syscall.Errno); ok {
diff --git a/tests/tutorial/tutorial.go b/tests/tutorial/tutorial.go
index 8c909f733..f1841fa05 100644
--- a/tests/tutorial/tutorial.go
+++ b/tests/tutorial/tutorial.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -39,7 +38,7 @@ func main() {
 		}
 	}()
 
-	d, err := ioutil.TempDir("", "")
+	d, err := os.MkdirTemp("", "")
 	if err != nil {
 		panic(err)
 	}