diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 1ede888fe..2acd9c6c4 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>benchmarks</artifactId>
diff --git a/bom/pom.xml b/bom/pom.xml
index 58ef927dc..fb2061cb1 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -1,13 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-bom</artifactId>
diff --git a/mockwebserver/pom.xml b/mockwebserver/pom.xml
index eb1900757..d7ccf8fac 100644
--- a/mockwebserver/pom.xml
+++ b/mockwebserver/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>mockwebserver</artifactId>
diff --git a/okcurl/pom.xml b/okcurl/pom.xml
index c8a93b730..b12c259ec 100644
--- a/okcurl/pom.xml
+++ b/okcurl/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okcurl</artifactId>
diff --git a/okhttp-android-support/pom.xml b/okhttp-android-support/pom.xml
index ecb19d47a..120b22219 100644
--- a/okhttp-android-support/pom.xml
+++ b/okhttp-android-support/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-android-support</artifactId>
diff --git a/okhttp-apache/pom.xml b/okhttp-apache/pom.xml
index 85c666ba9..0b38b16c1 100644
--- a/okhttp-apache/pom.xml
+++ b/okhttp-apache/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-apache</artifactId>
diff --git a/okhttp-dnsoverhttps/pom.xml b/okhttp-dnsoverhttps/pom.xml
index 2fb9c3db1..1487d2524 100644
--- a/okhttp-dnsoverhttps/pom.xml
+++ b/okhttp-dnsoverhttps/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-dnsoverhttps</artifactId>
diff --git a/okhttp-logging-interceptor/pom.xml b/okhttp-logging-interceptor/pom.xml
index 0e35c12c7..f53067987 100644
--- a/okhttp-logging-interceptor/pom.xml
+++ b/okhttp-logging-interceptor/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>logging-interceptor</artifactId>
diff --git a/okhttp-sse/pom.xml b/okhttp-sse/pom.xml
index d2e7505f5..13c120f05 100644
--- a/okhttp-sse/pom.xml
+++ b/okhttp-sse/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-sse</artifactId>
diff --git a/okhttp-testing-support/pom.xml b/okhttp-testing-support/pom.xml
index e8cb9aee5..8d0082179 100644
--- a/okhttp-testing-support/pom.xml
+++ b/okhttp-testing-support/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-testing-support</artifactId>
diff --git a/okhttp-tests/pom.xml b/okhttp-tests/pom.xml
index 024714f31..08a7bb481 100644
--- a/okhttp-tests/pom.xml
+++ b/okhttp-tests/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-tests</artifactId>
diff --git a/okhttp-tls/pom.xml b/okhttp-tls/pom.xml
index 3b40e6e71..68f82999c 100644
--- a/okhttp-tls/pom.xml
+++ b/okhttp-tls/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-tls</artifactId>
diff --git a/okhttp-urlconnection/pom.xml b/okhttp-urlconnection/pom.xml
index 249a90de0..edcd04593 100644
--- a/okhttp-urlconnection/pom.xml
+++ b/okhttp-urlconnection/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp-urlconnection</artifactId>
diff --git a/okhttp/pom.xml b/okhttp/pom.xml
index a8da1319b..f17665282 100644
--- a/okhttp/pom.xml
+++ b/okhttp/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>okhttp</artifactId>
diff --git a/pom.xml b/pom.xml
index dbdbc9c16..14a31f69a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <groupId>com.squareup.okhttp3</groupId>
   <artifactId>parent</artifactId>
-  <version>3.12.0-SNAPSHOT</version>
+  <version>3.12.0</version>
   <packaging>pom</packaging>
 
   <name>OkHttp (Parent)</name>
@@ -70,7 +70,7 @@
     <url>https://github.com/square/okhttp/</url>
     <connection>scm:git:https://github.com/square/okhttp.git</connection>
     <developerConnection>scm:git:git@github.com:square/okhttp.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>parent-3.12.0</tag>
   </scm>
 
   <issueManagement>
diff --git a/samples/crawler/pom.xml b/samples/crawler/pom.xml
index 97bcf040f..e95e453cd 100644
--- a/samples/crawler/pom.xml
+++ b/samples/crawler/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>crawler</artifactId>
diff --git a/samples/guide/pom.xml b/samples/guide/pom.xml
index 95a9df5bd..565b4c7ba 100644
--- a/samples/guide/pom.xml
+++ b/samples/guide/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>guide</artifactId>
diff --git a/samples/pom.xml b/samples/pom.xml
index f767a9377..4a9f801f2 100644
--- a/samples/pom.xml
+++ b/samples/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3</groupId>
     <artifactId>parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <groupId>com.squareup.okhttp3.sample</groupId>
diff --git a/samples/simple-client/pom.xml b/samples/simple-client/pom.xml
index d4f3ec0ae..e1554b1a7 100644
--- a/samples/simple-client/pom.xml
+++ b/samples/simple-client/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>simple-client</artifactId>
diff --git a/samples/slack/pom.xml b/samples/slack/pom.xml
index 26798cddf..44a6e8a5d 100644
--- a/samples/slack/pom.xml
+++ b/samples/slack/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>slack</artifactId>
diff --git a/samples/static-server/pom.xml b/samples/static-server/pom.xml
index 5c949eeb5..6ac54f254 100644
--- a/samples/static-server/pom.xml
+++ b/samples/static-server/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>static-server</artifactId>
diff --git a/samples/unixdomainsockets/pom.xml b/samples/unixdomainsockets/pom.xml
index a9ea69192..f7b6c20aa 100644
--- a/samples/unixdomainsockets/pom.xml
+++ b/samples/unixdomainsockets/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.squareup.okhttp3.sample</groupId>
     <artifactId>sample-parent</artifactId>
-    <version>3.12.0-SNAPSHOT</version>
+    <version>3.12.0</version>
   </parent>
 
   <artifactId>unixdomainsockets</artifactId>