diff --git a/java-api-gateway/CHANGELOG.md b/java-api-gateway/CHANGELOG.md
index 7c47536a37cf..c6d6d65143fe 100644
--- a/java-api-gateway/CHANGELOG.md
+++ b/java-api-gateway/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.3.0](https://github.com/googleapis/java-api-gateway/compare/v2.2.1...v2.3.0) (2022-07-01)
+
+
+### Features
+
+* Enable REST transport for most of Java and Go clients ([#262](https://github.com/googleapis/java-api-gateway/issues/262)) ([8711f23](https://github.com/googleapis/java-api-gateway/commit/8711f23cf2f91f89f9111e44991774f94ccca853))
+
+
+### Bug Fixes
+
+* update gapic-generator-java with mock service generation fixes ([#269](https://github.com/googleapis/java-api-gateway/issues/269)) ([e4f63f9](https://github.com/googleapis/java-api-gateway/commit/e4f63f91d3e5d3bb11bfe734831265e66cd9cf85))
+
 ## [2.2.1](https://github.com/googleapis/java-api-gateway/compare/v2.2.0...v2.2.1) (2022-06-23)
 
 
diff --git a/java-api-gateway/google-cloud-api-gateway-bom/pom.xml b/java-api-gateway/google-cloud-api-gateway-bom/pom.xml
index 84365cc79b00..eca616067658 100644
--- a/java-api-gateway/google-cloud-api-gateway-bom/pom.xml
+++ b/java-api-gateway/google-cloud-api-gateway-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-api-gateway-bom</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -56,17 +56,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-api-gateway</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+        <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-api-gateway-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-api-gateway-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-api-gateway/google-cloud-api-gateway/pom.xml b/java-api-gateway/google-cloud-api-gateway/pom.xml
index e8d4f169d60a..c3d0044c3653 100644
--- a/java-api-gateway/google-cloud-api-gateway/pom.xml
+++ b/java-api-gateway/google-cloud-api-gateway/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-api-gateway</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   <packaging>jar</packaging>
   <name>Google API Gateway</name>
   <url>https://github.com/googleapis/java-api-gateway</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-api-gateway-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-api-gateway</site.installationModule>
diff --git a/java-api-gateway/grpc-google-cloud-api-gateway-v1/pom.xml b/java-api-gateway/grpc-google-cloud-api-gateway-v1/pom.xml
index d90976b76916..f9d7104ab1da 100644
--- a/java-api-gateway/grpc-google-cloud-api-gateway-v1/pom.xml
+++ b/java-api-gateway/grpc-google-cloud-api-gateway-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-api-gateway-v1</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
+  <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
   <name>grpc-google-cloud-api-gateway-v1</name>
   <description>GRPC library for google-cloud-api-gateway</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-api-gateway-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-api-gateway/pom.xml b/java-api-gateway/pom.xml
index 156422032e21..d120a379f79a 100644
--- a/java-api-gateway/pom.xml
+++ b/java-api-gateway/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-api-gateway-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+  <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   <name>Google API Gateway Parent</name>
   <url>https://github.com/googleapis/java-api-gateway</url>
   <description>
@@ -60,17 +60,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-api-gateway</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+        <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-api-gateway-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-api-gateway-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-api-gateway-v1</artifactId>
-        <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
+        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-api-gateway/proto-google-cloud-api-gateway-v1/pom.xml b/java-api-gateway/proto-google-cloud-api-gateway-v1/pom.xml
index 3a41f9389759..6ae725fd31c7 100644
--- a/java-api-gateway/proto-google-cloud-api-gateway-v1/pom.xml
+++ b/java-api-gateway/proto-google-cloud-api-gateway-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-api-gateway-v1</artifactId>
-  <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
+  <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-api-gateway-v1:current} -->
   <name>proto-google-cloud-api-gateway-v1</name>
   <description>Proto library for google-cloud-api-gateway</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-api-gateway-parent</artifactId>
-    <version>2.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
+    <version>2.3.0</version><!-- {x-version-update:google-cloud-api-gateway:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-api-gateway/versions.txt b/java-api-gateway/versions.txt
index f2fdea9676d0..3a55f4a62ad7 100644
--- a/java-api-gateway/versions.txt
+++ b/java-api-gateway/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-api-gateway:2.2.1:2.2.2-SNAPSHOT
-grpc-google-cloud-api-gateway-v1:2.2.1:2.2.2-SNAPSHOT
-proto-google-cloud-api-gateway-v1:2.2.1:2.2.2-SNAPSHOT
+google-cloud-api-gateway:2.3.0:2.3.0
+grpc-google-cloud-api-gateway-v1:2.3.0:2.3.0
+proto-google-cloud-api-gateway-v1:2.3.0:2.3.0