diff --git a/java-eventarc-publishing/CHANGELOG.md b/java-eventarc-publishing/CHANGELOG.md
index 1f5c9a34ac2b..34cef9d3afaf 100644
--- a/java-eventarc-publishing/CHANGELOG.md
+++ b/java-eventarc-publishing/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.3.0](https://github.com/googleapis/java-eventarc-publishing/compare/v0.2.1...v0.3.0) (2022-06-30)
+
+
+### Features
+
+* Enable REST transport for most of Java and Go clients ([#86](https://github.com/googleapis/java-eventarc-publishing/issues/86)) ([33a8ccf](https://github.com/googleapis/java-eventarc-publishing/commit/33a8ccf3757a22845e046cf21e0a965e89798673))
+
 ## [0.2.1](https://github.com/googleapis/java-eventarc-publishing/compare/v0.2.0...v0.2.1) (2022-06-23)
 
 
diff --git a/java-eventarc-publishing/google-cloud-eventarc-publishing-bom/pom.xml b/java-eventarc-publishing/google-cloud-eventarc-publishing-bom/pom.xml
index 1e14852842d8..c5513569b02f 100644
--- a/java-eventarc-publishing/google-cloud-eventarc-publishing-bom/pom.xml
+++ b/java-eventarc-publishing/google-cloud-eventarc-publishing-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-eventarc-publishing-bom</artifactId>
-  <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -65,17 +65,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-eventarc-publishing</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+        <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-eventarc-publishing-v1</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-eventarc-publishing-v1</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-eventarc-publishing/google-cloud-eventarc-publishing/pom.xml b/java-eventarc-publishing/google-cloud-eventarc-publishing/pom.xml
index 3ecff62f1785..c60da76d65b8 100644
--- a/java-eventarc-publishing/google-cloud-eventarc-publishing/pom.xml
+++ b/java-eventarc-publishing/google-cloud-eventarc-publishing/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-eventarc-publishing</artifactId>
-  <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   <packaging>jar</packaging>
   <name>Google Eventarc Publishing</name>
   <url>https://github.com/googleapis/java-eventarc-publishing</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-eventarc-publishing-parent</artifactId>
-    <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-eventarc-publishing</site.installationModule>
diff --git a/java-eventarc-publishing/grpc-google-cloud-eventarc-publishing-v1/pom.xml b/java-eventarc-publishing/grpc-google-cloud-eventarc-publishing-v1/pom.xml
index 75c842d3832f..7dc97ae86f21 100644
--- a/java-eventarc-publishing/grpc-google-cloud-eventarc-publishing-v1/pom.xml
+++ b/java-eventarc-publishing/grpc-google-cloud-eventarc-publishing-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-eventarc-publishing-v1</artifactId>
-  <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+  <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
   <name>grpc-google-cloud-eventarc-publishing-v1</name>
   <description>GRPC library for google-cloud-eventarc-publishing</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-eventarc-publishing-parent</artifactId>
-    <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-eventarc-publishing/pom.xml b/java-eventarc-publishing/pom.xml
index 3da8c0e0550a..df5b39c089b5 100644
--- a/java-eventarc-publishing/pom.xml
+++ b/java-eventarc-publishing/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-eventarc-publishing-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   <name>Google Eventarc Publishing Parent</name>
   <url>https://github.com/googleapis/java-eventarc-publishing</url>
   <description>
@@ -69,17 +69,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-eventarc-publishing</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+        <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-eventarc-publishing-v1</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-eventarc-publishing-v1</artifactId>
-        <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-eventarc-publishing/proto-google-cloud-eventarc-publishing-v1/pom.xml b/java-eventarc-publishing/proto-google-cloud-eventarc-publishing-v1/pom.xml
index b7cd34ab4d4a..6de41069d162 100644
--- a/java-eventarc-publishing/proto-google-cloud-eventarc-publishing-v1/pom.xml
+++ b/java-eventarc-publishing/proto-google-cloud-eventarc-publishing-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-eventarc-publishing-v1</artifactId>
-  <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+  <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
   <name>proto-google-cloud-eventarc-publishing-v1</name>
   <description>Proto library for google-cloud-eventarc-publishing</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-eventarc-publishing-parent</artifactId>
-    <version>0.2.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-eventarc-publishing/samples/snapshot/pom.xml b/java-eventarc-publishing/samples/snapshot/pom.xml
index a121dfdad907..387a8ff15114 100644
--- a/java-eventarc-publishing/samples/snapshot/pom.xml
+++ b/java-eventarc-publishing/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-eventarc-publishing</artifactId>
-      <version>0.2.2-SNAPSHOT</version>
+      <version>0.3.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-eventarc-publishing/versions.txt b/java-eventarc-publishing/versions.txt
index d099ba8dc460..c386707855a3 100644
--- a/java-eventarc-publishing/versions.txt
+++ b/java-eventarc-publishing/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-eventarc-publishing:0.2.1:0.2.2-SNAPSHOT
-proto-google-cloud-eventarc-publishing-v1:0.2.1:0.2.2-SNAPSHOT
-grpc-google-cloud-eventarc-publishing-v1:0.2.1:0.2.2-SNAPSHOT
+google-cloud-eventarc-publishing:0.3.0:0.3.0
+proto-google-cloud-eventarc-publishing-v1:0.3.0:0.3.0
+grpc-google-cloud-eventarc-publishing-v1:0.3.0:0.3.0