diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a7f735d9..3c8d326a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.3.0](https://www.github.com/googleapis/java-dialogflow-cx/compare/v0.2.0...v0.3.0) (2020-11-09)
+
+
+### ⚠ BREAKING CHANGES
+
+* remove empty proto classes GcsProto and InteractiveVoiceResponseProto (#69)
+
+### Bug Fixes
+
+* remove empty proto classes GcsProto and InteractiveVoiceResponseProto ([#69](https://www.github.com/googleapis/java-dialogflow-cx/issues/69)) ([b62ff2d](https://www.github.com/googleapis/java-dialogflow-cx/commit/b62ff2d17c505f2846f83928e7b359d8d9617712))
+
 ## [0.2.0](https://www.github.com/googleapis/java-dialogflow-cx/compare/v0.1.2...v0.2.0) (2020-10-31)
 
 
diff --git a/google-cloud-dialogflow-cx-bom/pom.xml b/google-cloud-dialogflow-cx-bom/pom.xml
index e924e5dc5..0ec4b3525 100644
--- a/google-cloud-dialogflow-cx-bom/pom.xml
+++ b/google-cloud-dialogflow-cx-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-bom</artifactId>
-  <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -68,17 +68,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dialogflow-cx/pom.xml b/google-cloud-dialogflow-cx/pom.xml
index 77f0e9649..8512e11a7 100644
--- a/google-cloud-dialogflow-cx/pom.xml
+++ b/google-cloud-dialogflow-cx/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx</artifactId>
-  <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>jar</packaging>
   <name>Google Dialogflow CX</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dialogflow-cx</site.installationModule>
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
index 0cc72ff18..8676740d6 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>grpc-google-cloud-dialogflow-cx-v3beta1</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 192d1c013..4ce11c821 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <name>Google Dialogflow CX Parent</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
   <description>
@@ -70,17 +70,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.3.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
index c628eb67b..64e82505e 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.3.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>proto-google-cloud-dialogflow-cx-v3beta1</name>
   <description>PROTO library for proto-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.2.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.3.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index ba4247ee4..00ae39261 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dialogflow-cx</artifactId>
-      <version>0.2.1-SNAPSHOT</version>
+      <version>0.3.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index d5a9274f2..953bd7344 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dialogflow-cx:0.2.0:0.2.1-SNAPSHOT
-proto-google-cloud-dialogflow-cx-v3beta1:0.2.0:0.2.1-SNAPSHOT
-grpc-google-cloud-dialogflow-cx-v3beta1:0.2.0:0.2.1-SNAPSHOT
\ No newline at end of file
+google-cloud-dialogflow-cx:0.3.0:0.3.0
+proto-google-cloud-dialogflow-cx-v3beta1:0.3.0:0.3.0
+grpc-google-cloud-dialogflow-cx-v3beta1:0.3.0:0.3.0
\ No newline at end of file