diff --git a/java-cloudbuild/google-cloud-build-bom/pom.xml b/java-cloudbuild/google-cloud-build-bom/pom.xml
index 81a2a906b983..36c05991d369 100644
--- a/java-cloudbuild/google-cloud-build-bom/pom.xml
+++ b/java-cloudbuild/google-cloud-build-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build-bom</artifactId>
-  <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,17 +52,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-build</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-build-v1</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-build-v1</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-cloudbuild/google-cloud-build/pom.xml b/java-cloudbuild/google-cloud-build/pom.xml
index 608a392c3491..b7ed3f14d1a3 100644
--- a/java-cloudbuild/google-cloud-build/pom.xml
+++ b/java-cloudbuild/google-cloud-build/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build</artifactId>
-  <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Build</name>
   <url>https://github.com/googleapis/java-cloudbuild</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-build</site.installationModule>
diff --git a/java-cloudbuild/grpc-google-cloud-build-v1/pom.xml b/java-cloudbuild/grpc-google-cloud-build-v1/pom.xml
index 868e8dd3714d..4db2c0e3de55 100644
--- a/java-cloudbuild/grpc-google-cloud-build-v1/pom.xml
+++ b/java-cloudbuild/grpc-google-cloud-build-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-build-v1</artifactId>
-  <version>3.4.1</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
   <name>grpc-google-cloud-build-v1</name>
   <description>GRPC library for grpc-google-cloud-build-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-cloudbuild/pom.xml b/java-cloudbuild/pom.xml
index eda964e38857..3d720f890e4f 100644
--- a/java-cloudbuild/pom.xml
+++ b/java-cloudbuild/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-build-parent</artifactId>
   <packaging>pom</packaging>
-  <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   <name>Google Cloud Build Parent</name>
   <url>https://github.com/googleapis/java-cloudbuild</url>
   <description>
@@ -62,17 +62,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-build-v1</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-build</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-build-v1</artifactId>
-        <version>3.4.1</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
+        <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-build-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-cloudbuild/proto-google-cloud-build-v1/pom.xml b/java-cloudbuild/proto-google-cloud-build-v1/pom.xml
index 1f4b8ad39ae7..498bd37935ae 100644
--- a/java-cloudbuild/proto-google-cloud-build-v1/pom.xml
+++ b/java-cloudbuild/proto-google-cloud-build-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-build-v1</artifactId>
-  <version>3.4.1</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
+  <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-build-v1:current} -->
   <name>proto-google-cloud-build-v1</name>
   <description>PROTO library for proto-google-cloud-build-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-build-parent</artifactId>
-    <version>3.4.1</version><!-- {x-version-update:google-cloud-build:current} -->
+    <version>3.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-build:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-cloudbuild/versions.txt b/java-cloudbuild/versions.txt
index 450a2dd9a4af..21e793009ff8 100644
--- a/java-cloudbuild/versions.txt
+++ b/java-cloudbuild/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-build:3.4.1:3.4.1
-grpc-google-cloud-build-v1:3.4.1:3.4.1
-proto-google-cloud-build-v1:3.4.1:3.4.1
+google-cloud-build:3.4.1:3.4.2-SNAPSHOT
+grpc-google-cloud-build-v1:3.4.1:3.4.2-SNAPSHOT
+proto-google-cloud-build-v1:3.4.1:3.4.2-SNAPSHOT