diff --git a/examples/pom.xml b/examples/pom.xml
index 6717fd6..9ccec6c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.google.cloud.agentplatform.examples</groupId>
   <artifactId>google-agentplatform-examples</artifactId>
-  <version>0.3.0</version><!-- {x-version-update:google-cloud-agentplatform:current} -->
+  <version>0.4.0-SNAPSHOT</version><!-- {x-version-update:google-cloud-agentplatform:current} -->
   <name>google-agentplatform-examples</name>
 
   <properties>
@@ -13,7 +13,7 @@
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
     <!-- {x-version-update-start:google-cloud-agentplatform:current} -->
-    <google-cloud-agentplatform.version>0.3.0</google-cloud-agentplatform.version>
+    <google-cloud-agentplatform.version>0.4.0-SNAPSHOT</google-cloud-agentplatform.version>
     <!-- {x-version-update-end} -->
   </properties>
   <build>
diff --git a/pom.xml b/pom.xml
index 6133d05..97ee7ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-agentplatform</artifactId>
-  <version>0.3.0</version><!-- {x-version-update:google-cloud-agentplatform:current} -->
+  <version>0.4.0-SNAPSHOT</version><!-- {x-version-update:google-cloud-agentplatform:current} -->
   <packaging>jar</packaging>
   <name>google-cloud-agentplatform</name>
   <description>
diff --git a/versions.txt b/versions.txt
index dbe6f9e..6a3cf04 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-agentplatform:0.3.0:0.3.0
\ No newline at end of file
+google-cloud-agentplatform:0.3.0:0.4.0-SNAPSHOT
\ No newline at end of file