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 952c3a192c99..8cbeae956042 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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+        <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.8-SNAPSHOT</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 ab8db85eba69..45a6f3ab42fb 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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.8-SNAPSHOT</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 e706a7c32afb..95fd978fc923 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>0.3.7</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+  <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.8-SNAPSHOT</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 3e4918e86f16..c975d25881ca 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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+  <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+        <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:grpc-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+        <version>0.3.8-SNAPSHOT</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 d60e6bb621b8..44b4faa42d48 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>0.3.7</version><!-- {x-version-update:proto-google-cloud-eventarc-publishing-v1:current} -->
+  <version>0.3.8-SNAPSHOT</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>0.3.7</version><!-- {x-version-update:google-cloud-eventarc-publishing:current} -->
+    <version>0.3.8-SNAPSHOT</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 8fa1222b6805..ff4bbb2b08c9 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>0.3.7</version>
+      <version>0.3.8-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-eventarc-publishing/versions.txt b/java-eventarc-publishing/versions.txt
index a39e4cfe73e0..afacbbe5040c 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:0.3.7:0.3.7
-proto-google-cloud-eventarc-publishing-v1:0.3.7:0.3.7
-grpc-google-cloud-eventarc-publishing-v1:0.3.7:0.3.7
+google-cloud-eventarc-publishing:0.3.7:0.3.8-SNAPSHOT
+proto-google-cloud-eventarc-publishing-v1:0.3.7:0.3.8-SNAPSHOT
+grpc-google-cloud-eventarc-publishing-v1:0.3.7:0.3.8-SNAPSHOT