diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a8410895..2617adfdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [4.0.0](https://github.com/googleapis/java-dataproc/compare/v3.1.2...v4.0.0) (2022-06-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* Remove `temp_bucket` from VirtualClusterConfig, as its value was not used
+
+### Features
+
+* Enable REST transport for most of Java and Go clients ([dd6bebb](https://github.com/googleapis/java-dataproc/commit/dd6bebbff4d0f0949d2435b88b801f1353a698b3))
+
+
+### Bug Fixes
+
+* Move `yarn_config` into a `oneof` ([dd6bebb](https://github.com/googleapis/java-dataproc/commit/dd6bebbff4d0f0949d2435b88b801f1353a698b3))
+* Remove `temp_bucket` from VirtualClusterConfig, as its value was not used ([dd6bebb](https://github.com/googleapis/java-dataproc/commit/dd6bebbff4d0f0949d2435b88b801f1353a698b3))
+* update gapic-generator-java with mock service generation fixes ([#833](https://github.com/googleapis/java-dataproc/issues/833)) ([dd6bebb](https://github.com/googleapis/java-dataproc/commit/dd6bebbff4d0f0949d2435b88b801f1353a698b3))
+
 ## [3.1.2](https://github.com/googleapis/java-dataproc/compare/v3.1.1...v3.1.2) (2022-06-23)
 
 
diff --git a/google-cloud-dataproc-bom/pom.xml b/google-cloud-dataproc-bom/pom.xml
index fbcfca304..5472c19a4 100644
--- a/google-cloud-dataproc-bom/pom.xml
+++ b/google-cloud-dataproc-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dataproc-bom</artifactId>
-  <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+  <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dataproc</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+        <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dataproc-v1</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
+        <version>4.0.0</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dataproc-v1</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
+        <version>4.0.0</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dataproc/pom.xml b/google-cloud-dataproc/pom.xml
index 91f6ded05..be053fa96 100644
--- a/google-cloud-dataproc/pom.xml
+++ b/google-cloud-dataproc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dataproc</artifactId>
-  <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+  <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Dataproc</name>
   <url>https://github.com/googleapis/java-dataproc</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dataproc-parent</artifactId>
-    <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+    <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dataproc</site.installationModule>
diff --git a/grpc-google-cloud-dataproc-v1/pom.xml b/grpc-google-cloud-dataproc-v1/pom.xml
index 52022e193..25df73146 100644
--- a/grpc-google-cloud-dataproc-v1/pom.xml
+++ b/grpc-google-cloud-dataproc-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dataproc-v1</artifactId>
-  <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
+  <version>4.0.0</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
   <name>grpc-google-cloud-dataproc-v1</name>
   <description>GRPC library for grpc-google-cloud-dataproc-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dataproc-parent</artifactId>
-    <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+    <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index be056ecd7..2bcf8600f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dataproc-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+  <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   <name>Google Cloud Dataproc Parent</name>
   <url>https://github.com/googleapis/java-dataproc</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dataproc-v1</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
+        <version>4.0.0</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dataproc-v1</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
+        <version>4.0.0</version><!-- {x-version-update:grpc-google-cloud-dataproc-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dataproc</artifactId>
-        <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+        <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-dataproc-v1/pom.xml b/proto-google-cloud-dataproc-v1/pom.xml
index e5715ad41..24ebbc53f 100644
--- a/proto-google-cloud-dataproc-v1/pom.xml
+++ b/proto-google-cloud-dataproc-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dataproc-v1</artifactId>
-  <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
+  <version>4.0.0</version><!-- {x-version-update:proto-google-cloud-dataproc-v1:current} -->
   <name>proto-google-cloud-dataproc-v1</name>
   <description>PROTO library for proto-google-cloud-dataproc-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dataproc-parent</artifactId>
-    <version>3.1.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-dataproc:current} -->
+    <version>4.0.0</version><!-- {x-version-update:google-cloud-dataproc:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index 9122f2bba..ff36f467f 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dataproc</artifactId>
-      <version>3.1.3-SNAPSHOT</version>
+      <version>4.0.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index a9ab643d1..f4da41265 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dataproc:3.1.2:3.1.3-SNAPSHOT
-grpc-google-cloud-dataproc-v1:3.1.2:3.1.3-SNAPSHOT
-proto-google-cloud-dataproc-v1:3.1.2:3.1.3-SNAPSHOT
+google-cloud-dataproc:4.0.0:4.0.0
+grpc-google-cloud-dataproc-v1:4.0.0:4.0.0
+proto-google-cloud-dataproc-v1:4.0.0:4.0.0