diff --git a/google-ads-examples/pom.xml b/google-ads-examples/pom.xml
index 2c40ebb957..1feaff4e53 100644
--- a/google-ads-examples/pom.xml
+++ b/google-ads-examples/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>4.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -26,7 +26,7 @@
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-examples</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>4.0.0</version>
   <name>Google Ads API client library for Java examples</name>
   <description>
     Examples demonstrating the Google Ads API client library for Java.
@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>google-ads</artifactId>
-      <version>3.1.1-SNAPSHOT</version>
+      <version>4.0.0</version>
     </dependency>
     <dependency>
       <groupId>com.beust</groupId>
diff --git a/google-ads-migration-examples/pom.xml b/google-ads-migration-examples/pom.xml
index 231e994b73..6f7339b647 100644
--- a/google-ads-migration-examples/pom.xml
+++ b/google-ads-migration-examples/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>4.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -26,7 +26,7 @@
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-migration-examples</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>4.0.0</version>
   <name>Google Ads API client library for Java migration examples</name>
   <description>
     Examples demonstrating a migration from the Google AdWords API to the Google Ads API using the client libraries for Java.
@@ -51,7 +51,7 @@
     <dependency>
       <groupId>com.google.api-ads</groupId>
       <artifactId>google-ads</artifactId>
-      <version>3.1.1-SNAPSHOT</version>
+      <version>4.0.0</version>
     </dependency>
     <dependency>
       <groupId>com.google.api-ads</groupId>
diff --git a/google-ads/pom.xml b/google-ads/pom.xml
index 44e9b01e0a..24aa48acf9 100644
--- a/google-ads/pom.xml
+++ b/google-ads/pom.xml
@@ -18,7 +18,7 @@
   <parent>
     <groupId>com.google.api-ads</groupId>
     <artifactId>google-ads-parent</artifactId>
-    <version>3.1.1-SNAPSHOT</version>
+    <version>4.0.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -26,7 +26,7 @@
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads</artifactId>
   <packaging>jar</packaging>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>4.0.0</version>
   <name>Google Ads API client library for Java</name>
   <description>
     Google Ads API client library for Java.
diff --git a/pom.xml b/pom.xml
index 3e8b255b34..2b8dd23fbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -19,7 +19,7 @@
 
   <groupId>com.google.api-ads</groupId>
   <artifactId>google-ads-parent</artifactId>
-  <version>3.1.1-SNAPSHOT</version>
+  <version>4.0.0</version>
 
   <packaging>pom</packaging>
   <name>Google Ads API client library for Java project</name>
@@ -53,7 +53,7 @@
     <url>
       https://github.com/googleads/google-ads-java
     </url>
-    <tag>HEAD</tag>
+    <tag>4.0.0</tag>
   </scm>
 
   <developers>