diff --git a/CHANGELOG.md b/CHANGELOG.md
index cef8789a1..d30694873 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 Certbot adheres to [Semantic Versioning](https://semver.org/).
 
-## 0.41.0 - master
+## 1.0.0 - master
 
 ### Added
 
@@ -10,8 +10,6 @@ Certbot adheres to [Semantic Versioning](https://semver.org/).
 
 ### Changed
 
-* Added back support for Python 3.4 to Certbot components and certbot-auto due
-  to a bug when requiring Python 2.7 or 3.5+ on RHEL 6 based systems.
 * Certbot's `config_changes` subcommand has been removed
 * The functions `certbot.client.view_config_changes`,
   `certbot.main.config_changes`,
@@ -24,6 +22,15 @@ Certbot adheres to [Semantic Versioning](https://semver.org/).
 
 More details about these changes can be found on our GitHub repo.
 
+## 0.40.1 - 2019-11-05
+
+### Changed
+
+* Added back support for Python 3.4 to Certbot components and certbot-auto due
+  to a bug when requiring Python 2.7 or 3.5+ on RHEL 6 based systems.
+
+More details about these changes can be found on our GitHub repo.
+
 ## 0.40.0 - 2019-11-05
 
 ### Added
diff --git a/acme/setup.py b/acme/setup.py
index 8026f7f81..6d3dcdf84 100644
--- a/acme/setup.py
+++ b/acme/setup.py
@@ -3,7 +3,7 @@ from setuptools import find_packages
 from setuptools.command.test import test as TestCommand
 import sys
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-apache/setup.py b/certbot-apache/setup.py
index 9cf242a34..5895ec810 100644
--- a/certbot-apache/setup.py
+++ b/certbot-apache/setup.py
@@ -4,7 +4,7 @@ from setuptools.command.test import test as TestCommand
 import sys
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-auto b/certbot-auto
index 5df7f5f30..9f3d2af08 100755
--- a/certbot-auto
+++ b/certbot-auto
@@ -31,7 +31,7 @@ if [ -z "$VENV_PATH" ]; then
 fi
 VENV_BIN="$VENV_PATH/bin"
 BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt"
-LE_AUTO_VERSION="0.40.0"
+LE_AUTO_VERSION="0.40.1"
 BASENAME=$(basename $0)
 USAGE="Usage: $BASENAME [OPTIONS]
 A self-updating wrapper script for the Certbot ACME client. When run, updates
@@ -256,28 +256,20 @@ DeprecationBootstrap() {
   fi
 }
 
-MIN_PYTHON_2_VERSION="2.7"
-MIN_PYVER2=$(echo "$MIN_PYTHON_2_VERSION" | sed 's/\.//')
-MIN_PYTHON_3_VERSION="3.5"
-MIN_PYVER3=$(echo "$MIN_PYTHON_3_VERSION" | sed 's/\.//')
+MIN_PYTHON_VERSION="2.7"
+MIN_PYVER=$(echo "$MIN_PYTHON_VERSION" | sed 's/\.//')
 # Sets LE_PYTHON to Python version string and PYVER to the first two
-# digits of the python version.
-# MIN_PYVER and MIN_PYTHON_VERSION are also set by this function, and their
-# values depend on if we try to use Python 3 or Python 2.
+# digits of the python version
 DeterminePythonVersion() {
   # Arguments: "NOCRASH" if we shouldn't crash if we don't find a good python
   #
   # If no Python is found, PYVER is set to 0.
   if [ "$USE_PYTHON_3" = 1 ]; then
-    MIN_PYVER=$MIN_PYVER3
-    MIN_PYTHON_VERSION=$MIN_PYTHON_3_VERSION
     for LE_PYTHON in "$LE_PYTHON" python3; do
       # Break (while keeping the LE_PYTHON value) if found.
       $EXISTS "$LE_PYTHON" > /dev/null && break
     done
   else
-    MIN_PYVER=$MIN_PYVER2
-    MIN_PYTHON_VERSION=$MIN_PYTHON_2_VERSION
     for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do
       # Break (while keeping the LE_PYTHON value) if found.
       $EXISTS "$LE_PYTHON" > /dev/null && break
@@ -293,7 +285,7 @@ DeterminePythonVersion() {
     fi
   fi
 
-  PYVER=$("$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//')
+  PYVER=`"$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'`
   if [ "$PYVER" -lt "$MIN_PYVER" ]; then
     if [ "$1" != "NOCRASH" ]; then
       error "You have an ancient version of Python entombed in your operating system..."
@@ -376,9 +368,7 @@ BootstrapDebCommon() {
 
 # Sets TOOL to the name of the package manager
 # Sets appropriate values for YES_FLAG and QUIET_FLAG based on $ASSUME_YES and $QUIET_FLAG.
-# Note: this function is called both while selecting the bootstrap scripts and
-# during the actual bootstrap. Some things like prompting to user can be done in the latter
-# case, but not in the former one.
+# Enables EPEL if applicable and possible.
 InitializeRPMCommonBase() {
   if type dnf 2>/dev/null
   then
@@ -398,6 +388,26 @@ InitializeRPMCommonBase() {
   if [ "$QUIET" = 1 ]; then
     QUIET_FLAG='--quiet'
   fi
+
+  if ! $TOOL list *virtualenv >/dev/null 2>&1; then
+    echo "To use Certbot, packages from the EPEL repository need to be installed."
+    if ! $TOOL list epel-release >/dev/null 2>&1; then
+      error "Enable the EPEL repository and try running Certbot again."
+      exit 1
+    fi
+    if [ "$ASSUME_YES" = 1 ]; then
+      /bin/echo -n "Enabling the EPEL repository in 3 seconds..."
+      sleep 1s
+      /bin/echo -ne "\e[0K\rEnabling the EPEL repository in 2 seconds..."
+      sleep 1s
+      /bin/echo -e "\e[0K\rEnabling the EPEL repository in 1 second..."
+      sleep 1s
+    fi
+    if ! $TOOL install $YES_FLAG $QUIET_FLAG epel-release; then
+      error "Could not enable EPEL. Aborting bootstrap!"
+      exit 1
+    fi
+  fi
 }
 
 BootstrapRpmCommonBase() {
@@ -478,88 +488,13 @@ BootstrapRpmCommon() {
   BootstrapRpmCommonBase "$python_pkgs"
 }
 
-# If new packages are installed by BootstrapRpmPython3 below, this version
-# number must be increased.
-BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION=1
-
-# Checks if rh-python36 can be installed.
-Python36SclIsAvailable() {
-  InitializeRPMCommonBase >/dev/null 2>&1;
-
-  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    return 0
-  fi
-  if "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
-    return 0
-  fi
-  return 1
-}
-
-# Try to enable rh-python36 from SCL if it is necessary and possible.
-EnablePython36SCL() {
-  if "$EXISTS" python3.6 > /dev/null 2> /dev/null; then
-      return 0
-  fi
-  if ! scl --list 2>/dev/null | grep -q rh-python36; then
-      return 0
-  fi
-  set +e
-  . scl_source enable rh-python36
-  set -e
-}
-
-# This bootstrap concerns old RedHat-based distributions that do not ship by default
-# with Python 2.7, but only Python 2.6. We bootstrap them by enabling SCL and installing
-# Python 3.6. Some of these distributions are: CentOS/RHEL/OL/SL 6.
-BootstrapRpmPython3Legacy() {
-  # Tested with:
-  #   - CentOS 6
-
-  InitializeRPMCommonBase
-
-  if ! "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    echo "To use Certbot on this operating system, packages from the SCL repository need to be installed."
-    if ! "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
-      error "Enable the SCL repository and try running Certbot again."
-      exit 1
-    fi
-    if [ "${ASSUME_YES}" = 1 ]; then
-      /bin/echo -n "Enabling the SCL repository in 3 seconds... (Press Ctrl-C to cancel)"
-      sleep 1s
-      /bin/echo -ne "\e[0K\rEnabling the SCL repository in 2 seconds... (Press Ctrl-C to cancel)"
-      sleep 1s
-      /bin/echo -e "\e[0K\rEnabling the SCL repository in 1 second... (Press Ctrl-C to cancel)"
-      sleep 1s
-    fi
-    if ! "${TOOL}" install "${YES_FLAG}" "${QUIET_FLAG}" centos-release-scl; then
-      error "Could not enable SCL. Aborting bootstrap!"
-      exit 1
-    fi
-  fi
-
-  # CentOS 6 must use rh-python36 from SCL
-  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    python_pkgs="rh-python36-python
-      rh-python36-python-virtualenv
-      rh-python36-python-devel
-    "
-  else
-    error "No supported Python package available to install. Aborting bootstrap!"
-    exit 1
-  fi
-
-  BootstrapRpmCommonBase "${python_pkgs}"
-
-  # Enable SCL rh-python36 after bootstrapping.
-  EnablePython36SCL
-}
-
 # If new packages are installed by BootstrapRpmPython3 below, this version
 # number must be increased.
 BOOTSTRAP_RPM_PYTHON3_VERSION=1
 
 BootstrapRpmPython3() {
   # Tested with:
+  #   - CentOS 6
   #   - Fedora 29
 
   InitializeRPMCommonBase
@@ -570,6 +505,12 @@ BootstrapRpmPython3() {
       python3-virtualenv
       python3-devel
     "
+  # EPEL uses python34
+  elif $TOOL list python34 >/dev/null 2>&1; then
+    python_pkgs="python34
+      python34-devel
+      python34-tools
+    "
   else
     error "No supported Python package available to install. Aborting bootstrap!"
     exit 1
@@ -828,50 +769,31 @@ elif [ -f /etc/redhat-release ]; then
      RPM_DIST_VERSION=0
   fi
 
-  # Handle legacy RPM distributions
-  if [ "$PYVER" -eq 26 ]; then
-    # Check if an automated bootstrap can be achieved on this system.
-    if ! Python36SclIsAvailable; then
-      INTERACTIVE_BOOTSTRAP=1
-    fi
+  # Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
+  # RHEL 8 also uses python3 by default.
+  if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 -o "$PYVER" -eq 26 ]; then
+    RPM_USE_PYTHON_3=1
+  elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+    RPM_USE_PYTHON_3=1
+  elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+    RPM_USE_PYTHON_3=1
+  else
+    RPM_USE_PYTHON_3=0
+  fi
 
+  if [ "$RPM_USE_PYTHON_3" = 1 ]; then
     Bootstrap() {
-      BootstrapMessage "Legacy RedHat-based OSes that will use Python3"
-      BootstrapRpmPython3Legacy
+      BootstrapMessage "RedHat-based OSes that will use Python3"
+      BootstrapRpmPython3
     }
     USE_PYTHON_3=1
-    BOOTSTRAP_VERSION="BootstrapRpmPython3Legacy $BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION"
-
-    # Try now to enable SCL rh-python36 for systems already bootstrapped
-    # NB: EnablePython36SCL has been defined along with BootstrapRpmPython3Legacy in certbot-auto
-    EnablePython36SCL
+    BOOTSTRAP_VERSION="BootstrapRpmPython3 $BOOTSTRAP_RPM_PYTHON3_VERSION"
   else
-    # Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
-    # RHEL 8 also uses python3 by default.
-    if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 ]; then
-      RPM_USE_PYTHON_3=1
-    elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
-      RPM_USE_PYTHON_3=1
-    elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
-      RPM_USE_PYTHON_3=1
-    else
-      RPM_USE_PYTHON_3=0
-    fi
-
-    if [ "$RPM_USE_PYTHON_3" = 1 ]; then
-      Bootstrap() {
-        BootstrapMessage "RedHat-based OSes that will use Python3"
-        BootstrapRpmPython3
-      }
-      USE_PYTHON_3=1
-      BOOTSTRAP_VERSION="BootstrapRpmPython3 $BOOTSTRAP_RPM_PYTHON3_VERSION"
-    else
-      Bootstrap() {
-        BootstrapMessage "RedHat-based OSes"
-        BootstrapRpmCommon
-      }
-      BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
-    fi
+    Bootstrap() {
+      BootstrapMessage "RedHat-based OSes"
+      BootstrapRpmCommon
+    }
+    BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
   fi
 
   LE_PYTHON="$prev_le_python"
@@ -1156,15 +1078,8 @@ if [ "$1" = "--le-auto-phase2" ]; then
     # If the selected Bootstrap function isn't a noop and it differs from the
     # previously used version
     if [ -n "$BOOTSTRAP_VERSION" -a "$BOOTSTRAP_VERSION" != "$PREV_BOOTSTRAP_VERSION" ]; then
-      # Check if we can rebootstrap without manual user intervention: this requires that
-      # certbot-auto is in non-interactive mode AND selected bootstrap does not claim to
-      # require a manual user intervention.
-      if [ "$NONINTERACTIVE" = 1 -a "$INTERACTIVE_BOOTSTRAP" != 1 ]; then
-        CAN_REBOOTSTRAP=1
-      fi
-      # Check if rebootstrap can be done non-interactively and current shell is non-interactive
-      # (true if stdin and stdout are not attached to a terminal).
-      if [ \( "$CAN_REBOOTSTRAP" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then
+      # if non-interactive mode or stdin and stdout are connected to a terminal
+      if [ \( "$NONINTERACTIVE" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then
         if [ -d "$VENV_PATH" ]; then
           rm -rf "$VENV_PATH"
         fi
@@ -1175,21 +1090,12 @@ if [ "$1" = "--le-auto-phase2" ]; then
           ln -s "$VENV_PATH" "$OLD_VENV_PATH"
         fi
         RerunWithArgs "$@"
-      # Otherwise bootstrap needs to be done manually by the user.
       else
-        # If it is because bootstrapping is interactive, --non-interactive will be of no use.
-        if [ "$INTERACTIVE_BOOTSTRAP" = 1 ]; then
-          error "Skipping upgrade because new OS dependencies may need to be installed."
-          error "This requires manual user intervention: please run this script again manually."
-        # If this is because of the environment (eg. non interactive shell without
-        # --non-interactive flag set), help the user in that direction.
-        else
-          error "Skipping upgrade because new OS dependencies may need to be installed."
-          error
-          error "To upgrade to a newer version, please run this script again manually so you can"
-          error "approve changes or with --non-interactive on the command line to automatically"
-          error "install any required packages."
-        fi
+        error "Skipping upgrade because new OS dependencies may need to be installed."
+        error
+        error "To upgrade to a newer version, please run this script again manually so you can"
+        error "approve changes or with --non-interactive on the command line to automatically"
+        error "install any required packages."
         # Set INSTALLED_VERSION to be the same so we don't update the venv
         INSTALLED_VERSION="$LE_AUTO_VERSION"
         # Continue to use OLD_VENV_PATH if the new venv doesn't exist
@@ -1432,18 +1338,18 @@ letsencrypt==0.7.0 \
     --hash=sha256:105a5fb107e45bcd0722eb89696986dcf5f08a86a321d6aef25a0c7c63375ade \
     --hash=sha256:c36e532c486a7e92155ee09da54b436a3c420813ec1c590b98f635d924720de9
 
-certbot==0.40.0 \
-    --hash=sha256:b9ff74c4f3d3e06d9c467465f97bcbb07b0f4d778d3c4232ab91583d933dba61 \
-    --hash=sha256:cff166597b3c714c3e7e60b2bcd6089135b375cadca04cf36abd15bfdb22be40
-acme==0.40.0 \
-    --hash=sha256:1b026b07a2099e50dac11cbdb834925f1d9b5691e349b52e9d397a12f3dc4eac \
-    --hash=sha256:f29c1185d1e33919bad6c1f3fece168ee191d96d47f5997117561dc74a454221
-certbot-apache==0.40.0 \
-    --hash=sha256:f1c034a05fbd6cc6fde9494f493a8a6ed0e02e7652e51af16342082bc17387e4 \
-    --hash=sha256:43c3d7628ca6630467c4f57dd30423f031c1c7cbca46f7500293172d0fe3581e
-certbot-nginx==0.40.0 \
-    --hash=sha256:55cd3c90e2851069b536859050374fe2fcfa22c3e862cc0e1811fbce9e52dccc \
-    --hash=sha256:3df8cec22910f2d41ccb4494661ff65f98c52dd441864a53a318b32979256881
+certbot==0.40.1 \
+    --hash=sha256:afe4d7edc61d4cab8b6f7ab7611d66aaba67d9f0404fa2760bd1cc430b2ec9ec \
+    --hash=sha256:8dc81b3044cf401c55fa36c30893887fcb92657df1d76a8848059683df3b10d1
+acme==0.40.1 \
+    --hash=sha256:a85387c26fb4fc24511b2579b8c61177b3175fd25e130c5be95a840d9f67d54f \
+    --hash=sha256:33bf8686408d5b6b79886a9a43aee691ca754408deaec4fb2bb17b9af48a5ffc
+certbot-apache==0.40.1 \
+    --hash=sha256:6c4a4e21a17bd8120056595e5670c9a0f86756da0ad269196e8d56fc1b9fec82 \
+    --hash=sha256:16404e9e404f0b98c18bd752fad812a45ef7f9b0efa9bbc8589f24a94e67de7c
+certbot-nginx==0.40.1 \
+    --hash=sha256:acdbfc4ab75ebc810264ee1248332f8e857c5e7776717b7cd53c4ceceb2b4d34 \
+    --hash=sha256:014fdda80647ad9e67019b16c7cdaee5d21a750b393bcb98e1300615cc930f4f
 
 UNLIKELY_EOF
     # -------------------------------------------------------------------------
diff --git a/certbot-compatibility-test/setup.py b/certbot-compatibility-test/setup.py
index 7aec1fe43..40cde4352 100644
--- a/certbot-compatibility-test/setup.py
+++ b/certbot-compatibility-test/setup.py
@@ -4,7 +4,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 install_requires = [
     'certbot',
diff --git a/certbot-dns-cloudflare/setup.py b/certbot-dns-cloudflare/setup.py
index 236edcb5d..6b72d0a76 100644
--- a/certbot-dns-cloudflare/setup.py
+++ b/certbot-dns-cloudflare/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-cloudxns/setup.py b/certbot-dns-cloudxns/setup.py
index ba115a140..4c58d56d0 100644
--- a/certbot-dns-cloudxns/setup.py
+++ b/certbot-dns-cloudxns/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-digitalocean/setup.py b/certbot-dns-digitalocean/setup.py
index a6e81d060..4dabc207f 100644
--- a/certbot-dns-digitalocean/setup.py
+++ b/certbot-dns-digitalocean/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-dnsimple/setup.py b/certbot-dns-dnsimple/setup.py
index a6410f234..20ed5457d 100644
--- a/certbot-dns-dnsimple/setup.py
+++ b/certbot-dns-dnsimple/setup.py
@@ -3,7 +3,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-dnsmadeeasy/setup.py b/certbot-dns-dnsmadeeasy/setup.py
index f3ec4de88..85dcaafa3 100644
--- a/certbot-dns-dnsmadeeasy/setup.py
+++ b/certbot-dns-dnsmadeeasy/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-gehirn/setup.py b/certbot-dns-gehirn/setup.py
index 95710290f..f020354dc 100644
--- a/certbot-dns-gehirn/setup.py
+++ b/certbot-dns-gehirn/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-dns-google/setup.py b/certbot-dns-google/setup.py
index db1953ac7..61d365189 100644
--- a/certbot-dns-google/setup.py
+++ b/certbot-dns-google/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-linode/setup.py b/certbot-dns-linode/setup.py
index 3f7a48e98..807e9b889 100644
--- a/certbot-dns-linode/setup.py
+++ b/certbot-dns-linode/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 from setuptools import find_packages
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-dns-luadns/setup.py b/certbot-dns-luadns/setup.py
index 01e25e3f2..3ee8fb2fe 100644
--- a/certbot-dns-luadns/setup.py
+++ b/certbot-dns-luadns/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-nsone/setup.py b/certbot-dns-nsone/setup.py
index 475e943dc..2cc44406f 100644
--- a/certbot-dns-nsone/setup.py
+++ b/certbot-dns-nsone/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-ovh/setup.py b/certbot-dns-ovh/setup.py
index 5dab97c86..b3abce754 100644
--- a/certbot-dns-ovh/setup.py
+++ b/certbot-dns-ovh/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-rfc2136/setup.py b/certbot-dns-rfc2136/setup.py
index 84d24257e..0da7cc98a 100644
--- a/certbot-dns-rfc2136/setup.py
+++ b/certbot-dns-rfc2136/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-route53/setup.py b/certbot-dns-route53/setup.py
index 57e3930a5..548a567b4 100644
--- a/certbot-dns-route53/setup.py
+++ b/certbot-dns-route53/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup
 from setuptools import find_packages
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot-dns-sakuracloud/setup.py b/certbot-dns-sakuracloud/setup.py
index 6e4559639..7c5bfe7f3 100644
--- a/certbot-dns-sakuracloud/setup.py
+++ b/certbot-dns-sakuracloud/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 from setuptools import find_packages
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Please update tox.ini when modifying dependency version requirements
 install_requires = [
diff --git a/certbot-nginx/setup.py b/certbot-nginx/setup.py
index a7b3b4ea7..f3f0b6640 100644
--- a/certbot-nginx/setup.py
+++ b/certbot-nginx/setup.py
@@ -4,7 +4,7 @@ from setuptools.command.test import test as TestCommand
 import sys
 
 
-version = '0.41.0.dev0'
+version = '1.0.0.dev0'
 
 # Remember to update local-oldest-requirements.txt when changing the minimum
 # acme/certbot version.
diff --git a/certbot/__init__.py b/certbot/__init__.py
index a3899a31b..30b52be1a 100644
--- a/certbot/__init__.py
+++ b/certbot/__init__.py
@@ -1,4 +1,4 @@
 """Certbot client."""
 
 # version number like 1.2.3a0, must have at least 2 parts, like 1.2
-__version__ = '0.41.0.dev0'
+__version__ = '1.0.0.dev0'
diff --git a/docs/cli-help.txt b/docs/cli-help.txt
index dfcd84ccd..efade498c 100644
--- a/docs/cli-help.txt
+++ b/docs/cli-help.txt
@@ -113,7 +113,7 @@ optional arguments:
                         case, and to know when to deprecate support for past
                         Python versions and flags. If you wish to hide this
                         information from the Let's Encrypt server, set this to
-                        "". (default: CertbotACMEClient/0.40.0
+                        "". (default: CertbotACMEClient/0.40.1
                         (certbot(-auto); OS_NAME OS_VERSION) Authenticator/XXX
                         Installer/YYY (SUBCOMMAND; flags: FLAGS)
                         Py/major.minor.patchlevel). The flags encoded in the
diff --git a/letsencrypt-auto b/letsencrypt-auto
index 5df7f5f30..9f3d2af08 100755
--- a/letsencrypt-auto
+++ b/letsencrypt-auto
@@ -31,7 +31,7 @@ if [ -z "$VENV_PATH" ]; then
 fi
 VENV_BIN="$VENV_PATH/bin"
 BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt"
-LE_AUTO_VERSION="0.40.0"
+LE_AUTO_VERSION="0.40.1"
 BASENAME=$(basename $0)
 USAGE="Usage: $BASENAME [OPTIONS]
 A self-updating wrapper script for the Certbot ACME client. When run, updates
@@ -256,28 +256,20 @@ DeprecationBootstrap() {
   fi
 }
 
-MIN_PYTHON_2_VERSION="2.7"
-MIN_PYVER2=$(echo "$MIN_PYTHON_2_VERSION" | sed 's/\.//')
-MIN_PYTHON_3_VERSION="3.5"
-MIN_PYVER3=$(echo "$MIN_PYTHON_3_VERSION" | sed 's/\.//')
+MIN_PYTHON_VERSION="2.7"
+MIN_PYVER=$(echo "$MIN_PYTHON_VERSION" | sed 's/\.//')
 # Sets LE_PYTHON to Python version string and PYVER to the first two
-# digits of the python version.
-# MIN_PYVER and MIN_PYTHON_VERSION are also set by this function, and their
-# values depend on if we try to use Python 3 or Python 2.
+# digits of the python version
 DeterminePythonVersion() {
   # Arguments: "NOCRASH" if we shouldn't crash if we don't find a good python
   #
   # If no Python is found, PYVER is set to 0.
   if [ "$USE_PYTHON_3" = 1 ]; then
-    MIN_PYVER=$MIN_PYVER3
-    MIN_PYTHON_VERSION=$MIN_PYTHON_3_VERSION
     for LE_PYTHON in "$LE_PYTHON" python3; do
       # Break (while keeping the LE_PYTHON value) if found.
       $EXISTS "$LE_PYTHON" > /dev/null && break
     done
   else
-    MIN_PYVER=$MIN_PYVER2
-    MIN_PYTHON_VERSION=$MIN_PYTHON_2_VERSION
     for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do
       # Break (while keeping the LE_PYTHON value) if found.
       $EXISTS "$LE_PYTHON" > /dev/null && break
@@ -293,7 +285,7 @@ DeterminePythonVersion() {
     fi
   fi
 
-  PYVER=$("$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//')
+  PYVER=`"$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'`
   if [ "$PYVER" -lt "$MIN_PYVER" ]; then
     if [ "$1" != "NOCRASH" ]; then
       error "You have an ancient version of Python entombed in your operating system..."
@@ -376,9 +368,7 @@ BootstrapDebCommon() {
 
 # Sets TOOL to the name of the package manager
 # Sets appropriate values for YES_FLAG and QUIET_FLAG based on $ASSUME_YES and $QUIET_FLAG.
-# Note: this function is called both while selecting the bootstrap scripts and
-# during the actual bootstrap. Some things like prompting to user can be done in the latter
-# case, but not in the former one.
+# Enables EPEL if applicable and possible.
 InitializeRPMCommonBase() {
   if type dnf 2>/dev/null
   then
@@ -398,6 +388,26 @@ InitializeRPMCommonBase() {
   if [ "$QUIET" = 1 ]; then
     QUIET_FLAG='--quiet'
   fi
+
+  if ! $TOOL list *virtualenv >/dev/null 2>&1; then
+    echo "To use Certbot, packages from the EPEL repository need to be installed."
+    if ! $TOOL list epel-release >/dev/null 2>&1; then
+      error "Enable the EPEL repository and try running Certbot again."
+      exit 1
+    fi
+    if [ "$ASSUME_YES" = 1 ]; then
+      /bin/echo -n "Enabling the EPEL repository in 3 seconds..."
+      sleep 1s
+      /bin/echo -ne "\e[0K\rEnabling the EPEL repository in 2 seconds..."
+      sleep 1s
+      /bin/echo -e "\e[0K\rEnabling the EPEL repository in 1 second..."
+      sleep 1s
+    fi
+    if ! $TOOL install $YES_FLAG $QUIET_FLAG epel-release; then
+      error "Could not enable EPEL. Aborting bootstrap!"
+      exit 1
+    fi
+  fi
 }
 
 BootstrapRpmCommonBase() {
@@ -478,88 +488,13 @@ BootstrapRpmCommon() {
   BootstrapRpmCommonBase "$python_pkgs"
 }
 
-# If new packages are installed by BootstrapRpmPython3 below, this version
-# number must be increased.
-BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION=1
-
-# Checks if rh-python36 can be installed.
-Python36SclIsAvailable() {
-  InitializeRPMCommonBase >/dev/null 2>&1;
-
-  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    return 0
-  fi
-  if "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
-    return 0
-  fi
-  return 1
-}
-
-# Try to enable rh-python36 from SCL if it is necessary and possible.
-EnablePython36SCL() {
-  if "$EXISTS" python3.6 > /dev/null 2> /dev/null; then
-      return 0
-  fi
-  if ! scl --list 2>/dev/null | grep -q rh-python36; then
-      return 0
-  fi
-  set +e
-  . scl_source enable rh-python36
-  set -e
-}
-
-# This bootstrap concerns old RedHat-based distributions that do not ship by default
-# with Python 2.7, but only Python 2.6. We bootstrap them by enabling SCL and installing
-# Python 3.6. Some of these distributions are: CentOS/RHEL/OL/SL 6.
-BootstrapRpmPython3Legacy() {
-  # Tested with:
-  #   - CentOS 6
-
-  InitializeRPMCommonBase
-
-  if ! "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    echo "To use Certbot on this operating system, packages from the SCL repository need to be installed."
-    if ! "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
-      error "Enable the SCL repository and try running Certbot again."
-      exit 1
-    fi
-    if [ "${ASSUME_YES}" = 1 ]; then
-      /bin/echo -n "Enabling the SCL repository in 3 seconds... (Press Ctrl-C to cancel)"
-      sleep 1s
-      /bin/echo -ne "\e[0K\rEnabling the SCL repository in 2 seconds... (Press Ctrl-C to cancel)"
-      sleep 1s
-      /bin/echo -e "\e[0K\rEnabling the SCL repository in 1 second... (Press Ctrl-C to cancel)"
-      sleep 1s
-    fi
-    if ! "${TOOL}" install "${YES_FLAG}" "${QUIET_FLAG}" centos-release-scl; then
-      error "Could not enable SCL. Aborting bootstrap!"
-      exit 1
-    fi
-  fi
-
-  # CentOS 6 must use rh-python36 from SCL
-  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
-    python_pkgs="rh-python36-python
-      rh-python36-python-virtualenv
-      rh-python36-python-devel
-    "
-  else
-    error "No supported Python package available to install. Aborting bootstrap!"
-    exit 1
-  fi
-
-  BootstrapRpmCommonBase "${python_pkgs}"
-
-  # Enable SCL rh-python36 after bootstrapping.
-  EnablePython36SCL
-}
-
 # If new packages are installed by BootstrapRpmPython3 below, this version
 # number must be increased.
 BOOTSTRAP_RPM_PYTHON3_VERSION=1
 
 BootstrapRpmPython3() {
   # Tested with:
+  #   - CentOS 6
   #   - Fedora 29
 
   InitializeRPMCommonBase
@@ -570,6 +505,12 @@ BootstrapRpmPython3() {
       python3-virtualenv
       python3-devel
     "
+  # EPEL uses python34
+  elif $TOOL list python34 >/dev/null 2>&1; then
+    python_pkgs="python34
+      python34-devel
+      python34-tools
+    "
   else
     error "No supported Python package available to install. Aborting bootstrap!"
     exit 1
@@ -828,50 +769,31 @@ elif [ -f /etc/redhat-release ]; then
      RPM_DIST_VERSION=0
   fi
 
-  # Handle legacy RPM distributions
-  if [ "$PYVER" -eq 26 ]; then
-    # Check if an automated bootstrap can be achieved on this system.
-    if ! Python36SclIsAvailable; then
-      INTERACTIVE_BOOTSTRAP=1
-    fi
+  # Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
+  # RHEL 8 also uses python3 by default.
+  if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 -o "$PYVER" -eq 26 ]; then
+    RPM_USE_PYTHON_3=1
+  elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+    RPM_USE_PYTHON_3=1
+  elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+    RPM_USE_PYTHON_3=1
+  else
+    RPM_USE_PYTHON_3=0
+  fi
 
+  if [ "$RPM_USE_PYTHON_3" = 1 ]; then
     Bootstrap() {
-      BootstrapMessage "Legacy RedHat-based OSes that will use Python3"
-      BootstrapRpmPython3Legacy
+      BootstrapMessage "RedHat-based OSes that will use Python3"
+      BootstrapRpmPython3
     }
     USE_PYTHON_3=1
-    BOOTSTRAP_VERSION="BootstrapRpmPython3Legacy $BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION"
-
-    # Try now to enable SCL rh-python36 for systems already bootstrapped
-    # NB: EnablePython36SCL has been defined along with BootstrapRpmPython3Legacy in certbot-auto
-    EnablePython36SCL
+    BOOTSTRAP_VERSION="BootstrapRpmPython3 $BOOTSTRAP_RPM_PYTHON3_VERSION"
   else
-    # Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
-    # RHEL 8 also uses python3 by default.
-    if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 ]; then
-      RPM_USE_PYTHON_3=1
-    elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
-      RPM_USE_PYTHON_3=1
-    elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
-      RPM_USE_PYTHON_3=1
-    else
-      RPM_USE_PYTHON_3=0
-    fi
-
-    if [ "$RPM_USE_PYTHON_3" = 1 ]; then
-      Bootstrap() {
-        BootstrapMessage "RedHat-based OSes that will use Python3"
-        BootstrapRpmPython3
-      }
-      USE_PYTHON_3=1
-      BOOTSTRAP_VERSION="BootstrapRpmPython3 $BOOTSTRAP_RPM_PYTHON3_VERSION"
-    else
-      Bootstrap() {
-        BootstrapMessage "RedHat-based OSes"
-        BootstrapRpmCommon
-      }
-      BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
-    fi
+    Bootstrap() {
+      BootstrapMessage "RedHat-based OSes"
+      BootstrapRpmCommon
+    }
+    BOOTSTRAP_VERSION="BootstrapRpmCommon $BOOTSTRAP_RPM_COMMON_VERSION"
   fi
 
   LE_PYTHON="$prev_le_python"
@@ -1156,15 +1078,8 @@ if [ "$1" = "--le-auto-phase2" ]; then
     # If the selected Bootstrap function isn't a noop and it differs from the
     # previously used version
     if [ -n "$BOOTSTRAP_VERSION" -a "$BOOTSTRAP_VERSION" != "$PREV_BOOTSTRAP_VERSION" ]; then
-      # Check if we can rebootstrap without manual user intervention: this requires that
-      # certbot-auto is in non-interactive mode AND selected bootstrap does not claim to
-      # require a manual user intervention.
-      if [ "$NONINTERACTIVE" = 1 -a "$INTERACTIVE_BOOTSTRAP" != 1 ]; then
-        CAN_REBOOTSTRAP=1
-      fi
-      # Check if rebootstrap can be done non-interactively and current shell is non-interactive
-      # (true if stdin and stdout are not attached to a terminal).
-      if [ \( "$CAN_REBOOTSTRAP" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then
+      # if non-interactive mode or stdin and stdout are connected to a terminal
+      if [ \( "$NONINTERACTIVE" = 1 \) -o \( \( -t 0 \) -a \( -t 1 \) \) ]; then
         if [ -d "$VENV_PATH" ]; then
           rm -rf "$VENV_PATH"
         fi
@@ -1175,21 +1090,12 @@ if [ "$1" = "--le-auto-phase2" ]; then
           ln -s "$VENV_PATH" "$OLD_VENV_PATH"
         fi
         RerunWithArgs "$@"
-      # Otherwise bootstrap needs to be done manually by the user.
       else
-        # If it is because bootstrapping is interactive, --non-interactive will be of no use.
-        if [ "$INTERACTIVE_BOOTSTRAP" = 1 ]; then
-          error "Skipping upgrade because new OS dependencies may need to be installed."
-          error "This requires manual user intervention: please run this script again manually."
-        # If this is because of the environment (eg. non interactive shell without
-        # --non-interactive flag set), help the user in that direction.
-        else
-          error "Skipping upgrade because new OS dependencies may need to be installed."
-          error
-          error "To upgrade to a newer version, please run this script again manually so you can"
-          error "approve changes or with --non-interactive on the command line to automatically"
-          error "install any required packages."
-        fi
+        error "Skipping upgrade because new OS dependencies may need to be installed."
+        error
+        error "To upgrade to a newer version, please run this script again manually so you can"
+        error "approve changes or with --non-interactive on the command line to automatically"
+        error "install any required packages."
         # Set INSTALLED_VERSION to be the same so we don't update the venv
         INSTALLED_VERSION="$LE_AUTO_VERSION"
         # Continue to use OLD_VENV_PATH if the new venv doesn't exist
@@ -1432,18 +1338,18 @@ letsencrypt==0.7.0 \
     --hash=sha256:105a5fb107e45bcd0722eb89696986dcf5f08a86a321d6aef25a0c7c63375ade \
     --hash=sha256:c36e532c486a7e92155ee09da54b436a3c420813ec1c590b98f635d924720de9
 
-certbot==0.40.0 \
-    --hash=sha256:b9ff74c4f3d3e06d9c467465f97bcbb07b0f4d778d3c4232ab91583d933dba61 \
-    --hash=sha256:cff166597b3c714c3e7e60b2bcd6089135b375cadca04cf36abd15bfdb22be40
-acme==0.40.0 \
-    --hash=sha256:1b026b07a2099e50dac11cbdb834925f1d9b5691e349b52e9d397a12f3dc4eac \
-    --hash=sha256:f29c1185d1e33919bad6c1f3fece168ee191d96d47f5997117561dc74a454221
-certbot-apache==0.40.0 \
-    --hash=sha256:f1c034a05fbd6cc6fde9494f493a8a6ed0e02e7652e51af16342082bc17387e4 \
-    --hash=sha256:43c3d7628ca6630467c4f57dd30423f031c1c7cbca46f7500293172d0fe3581e
-certbot-nginx==0.40.0 \
-    --hash=sha256:55cd3c90e2851069b536859050374fe2fcfa22c3e862cc0e1811fbce9e52dccc \
-    --hash=sha256:3df8cec22910f2d41ccb4494661ff65f98c52dd441864a53a318b32979256881
+certbot==0.40.1 \
+    --hash=sha256:afe4d7edc61d4cab8b6f7ab7611d66aaba67d9f0404fa2760bd1cc430b2ec9ec \
+    --hash=sha256:8dc81b3044cf401c55fa36c30893887fcb92657df1d76a8848059683df3b10d1
+acme==0.40.1 \
+    --hash=sha256:a85387c26fb4fc24511b2579b8c61177b3175fd25e130c5be95a840d9f67d54f \
+    --hash=sha256:33bf8686408d5b6b79886a9a43aee691ca754408deaec4fb2bb17b9af48a5ffc
+certbot-apache==0.40.1 \
+    --hash=sha256:6c4a4e21a17bd8120056595e5670c9a0f86756da0ad269196e8d56fc1b9fec82 \
+    --hash=sha256:16404e9e404f0b98c18bd752fad812a45ef7f9b0efa9bbc8589f24a94e67de7c
+certbot-nginx==0.40.1 \
+    --hash=sha256:acdbfc4ab75ebc810264ee1248332f8e857c5e7776717b7cd53c4ceceb2b4d34 \
+    --hash=sha256:014fdda80647ad9e67019b16c7cdaee5d21a750b393bcb98e1300615cc930f4f
 
 UNLIKELY_EOF
     # -------------------------------------------------------------------------
diff --git a/letsencrypt-auto-source/certbot-auto.asc b/letsencrypt-auto-source/certbot-auto.asc
index 3bdb8a93c..2c7986ea9 100644
--- a/letsencrypt-auto-source/certbot-auto.asc
+++ b/letsencrypt-auto-source/certbot-auto.asc
@@ -1,11 +1,11 @@
 -----BEGIN PGP SIGNATURE-----
 
-iQEzBAABCAAdFiEEos+1H6J1pyhiNOeyTRfJlc2XdfIFAl3B4KcACgkQTRfJlc2X
-dfJKHAf+PUViUdwbaXUMNfDRo7g6v44RA0RIj+SG3cjLsX2E/A2G70KndfUC/9KS
-cgYpFZ3h/2y3fLLsYgDIOPRhAKLgrk+LFKrtDsUbOLF7K3eS70KQmDxYFXNzw0jc
-34zhc9BKsKrqX6a80LprkVtbEuRlE58JaXyqjMW8NvGvLXNV8qCZK8xG8SrCkVnU
-KFlXgHAl3UFibm3yJOlIjHikuOaU0jlDbO/S2WfkkgV3BWQkngUKu+9gr+ItV3We
-GMidJljIoho8CqYQnLWtsjhOmjLQogsUKZJSg/riAxrDW3cCEmF4EaV/S8lNnSiL
-f49WauHsGdfIaFabl8HVG7h+R3Uh8Q==
-=JXq9
+iQEzBAABCAAdFiEEos+1H6J1pyhiNOeyTRfJlc2XdfIFAl3CMH0ACgkQTRfJlc2X
+dfJ4DwgAljOxkQ4uhiF1R8Mw3r5+lwSezh7seA01QVUcuLArZM8B+IJM0FbqrSca
+ToYCrUXXTVL6aPn/1yxuNMMmVlJbIl5tMc3tfm//lbXTpLkiVASZl5+3HKtR5o6w
+GP2v6apjvkM1oaT2jL0VKcMGheVYaLfUQ3MGhMHbgOZKALNYwMGP9WOwgn0GGa1l
+3SIYJOqgEjDQTSr1tK+Ki+UkuoMsL4HamfvgNWeXbTpChdjth46UTj+N60rafIA2
+HAkXoP4eav6XbDlzDulG2cTBtnxvr6yiK76YF68P7BHNNYWbybFW8k6TVwexGgDF
+2di01Av0nXsa4O8QkYdtVQcCgniaUw==
+=E9YT
 -----END PGP SIGNATURE-----
diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index f476b8cb1..386d19531 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -31,7 +31,7 @@ if [ -z "$VENV_PATH" ]; then
 fi
 VENV_BIN="$VENV_PATH/bin"
 BOOTSTRAP_VERSION_PATH="$VENV_PATH/certbot-auto-bootstrap-version.txt"
-LE_AUTO_VERSION="0.41.0.dev0"
+LE_AUTO_VERSION="1.0.0.dev0"
 BASENAME=$(basename $0)
 USAGE="Usage: $BASENAME [OPTIONS]
 A self-updating wrapper script for the Certbot ACME client. When run, updates
@@ -1338,18 +1338,18 @@ letsencrypt==0.7.0 \
     --hash=sha256:105a5fb107e45bcd0722eb89696986dcf5f08a86a321d6aef25a0c7c63375ade \
     --hash=sha256:c36e532c486a7e92155ee09da54b436a3c420813ec1c590b98f635d924720de9
 
-certbot==0.40.0 \
-    --hash=sha256:b9ff74c4f3d3e06d9c467465f97bcbb07b0f4d778d3c4232ab91583d933dba61 \
-    --hash=sha256:cff166597b3c714c3e7e60b2bcd6089135b375cadca04cf36abd15bfdb22be40
-acme==0.40.0 \
-    --hash=sha256:1b026b07a2099e50dac11cbdb834925f1d9b5691e349b52e9d397a12f3dc4eac \
-    --hash=sha256:f29c1185d1e33919bad6c1f3fece168ee191d96d47f5997117561dc74a454221
-certbot-apache==0.40.0 \
-    --hash=sha256:f1c034a05fbd6cc6fde9494f493a8a6ed0e02e7652e51af16342082bc17387e4 \
-    --hash=sha256:43c3d7628ca6630467c4f57dd30423f031c1c7cbca46f7500293172d0fe3581e
-certbot-nginx==0.40.0 \
-    --hash=sha256:55cd3c90e2851069b536859050374fe2fcfa22c3e862cc0e1811fbce9e52dccc \
-    --hash=sha256:3df8cec22910f2d41ccb4494661ff65f98c52dd441864a53a318b32979256881
+certbot==0.40.1 \
+    --hash=sha256:afe4d7edc61d4cab8b6f7ab7611d66aaba67d9f0404fa2760bd1cc430b2ec9ec \
+    --hash=sha256:8dc81b3044cf401c55fa36c30893887fcb92657df1d76a8848059683df3b10d1
+acme==0.40.1 \
+    --hash=sha256:a85387c26fb4fc24511b2579b8c61177b3175fd25e130c5be95a840d9f67d54f \
+    --hash=sha256:33bf8686408d5b6b79886a9a43aee691ca754408deaec4fb2bb17b9af48a5ffc
+certbot-apache==0.40.1 \
+    --hash=sha256:6c4a4e21a17bd8120056595e5670c9a0f86756da0ad269196e8d56fc1b9fec82 \
+    --hash=sha256:16404e9e404f0b98c18bd752fad812a45ef7f9b0efa9bbc8589f24a94e67de7c
+certbot-nginx==0.40.1 \
+    --hash=sha256:acdbfc4ab75ebc810264ee1248332f8e857c5e7776717b7cd53c4ceceb2b4d34 \
+    --hash=sha256:014fdda80647ad9e67019b16c7cdaee5d21a750b393bcb98e1300615cc930f4f
 
 UNLIKELY_EOF
     # -------------------------------------------------------------------------
diff --git a/letsencrypt-auto-source/letsencrypt-auto.sig b/letsencrypt-auto-source/letsencrypt-auto.sig
index b961bbc91..ce698e84d 100644
Binary files a/letsencrypt-auto-source/letsencrypt-auto.sig and b/letsencrypt-auto-source/letsencrypt-auto.sig differ
diff --git a/letsencrypt-auto-source/pieces/certbot-requirements.txt b/letsencrypt-auto-source/pieces/certbot-requirements.txt
index 415663f96..5029feb9d 100644
--- a/letsencrypt-auto-source/pieces/certbot-requirements.txt
+++ b/letsencrypt-auto-source/pieces/certbot-requirements.txt
@@ -1,12 +1,12 @@
-certbot==0.40.0 \
-    --hash=sha256:b9ff74c4f3d3e06d9c467465f97bcbb07b0f4d778d3c4232ab91583d933dba61 \
-    --hash=sha256:cff166597b3c714c3e7e60b2bcd6089135b375cadca04cf36abd15bfdb22be40
-acme==0.40.0 \
-    --hash=sha256:1b026b07a2099e50dac11cbdb834925f1d9b5691e349b52e9d397a12f3dc4eac \
-    --hash=sha256:f29c1185d1e33919bad6c1f3fece168ee191d96d47f5997117561dc74a454221
-certbot-apache==0.40.0 \
-    --hash=sha256:f1c034a05fbd6cc6fde9494f493a8a6ed0e02e7652e51af16342082bc17387e4 \
-    --hash=sha256:43c3d7628ca6630467c4f57dd30423f031c1c7cbca46f7500293172d0fe3581e
-certbot-nginx==0.40.0 \
-    --hash=sha256:55cd3c90e2851069b536859050374fe2fcfa22c3e862cc0e1811fbce9e52dccc \
-    --hash=sha256:3df8cec22910f2d41ccb4494661ff65f98c52dd441864a53a318b32979256881
+certbot==0.40.1 \
+    --hash=sha256:afe4d7edc61d4cab8b6f7ab7611d66aaba67d9f0404fa2760bd1cc430b2ec9ec \
+    --hash=sha256:8dc81b3044cf401c55fa36c30893887fcb92657df1d76a8848059683df3b10d1
+acme==0.40.1 \
+    --hash=sha256:a85387c26fb4fc24511b2579b8c61177b3175fd25e130c5be95a840d9f67d54f \
+    --hash=sha256:33bf8686408d5b6b79886a9a43aee691ca754408deaec4fb2bb17b9af48a5ffc
+certbot-apache==0.40.1 \
+    --hash=sha256:6c4a4e21a17bd8120056595e5670c9a0f86756da0ad269196e8d56fc1b9fec82 \
+    --hash=sha256:16404e9e404f0b98c18bd752fad812a45ef7f9b0efa9bbc8589f24a94e67de7c
+certbot-nginx==0.40.1 \
+    --hash=sha256:acdbfc4ab75ebc810264ee1248332f8e857c5e7776717b7cd53c4ceceb2b4d34 \
+    --hash=sha256:014fdda80647ad9e67019b16c7cdaee5d21a750b393bcb98e1300615cc930f4f