diff --git a/java-essential-contacts/google-cloud-essential-contacts-bom/pom.xml b/java-essential-contacts/google-cloud-essential-contacts-bom/pom.xml
index 6f1657c84923..8767e605b9df 100644
--- a/java-essential-contacts/google-cloud-essential-contacts-bom/pom.xml
+++ b/java-essential-contacts/google-cloud-essential-contacts-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts-bom</artifactId>
-  <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -56,17 +56,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-essential-contacts</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-essential-contacts/google-cloud-essential-contacts/pom.xml b/java-essential-contacts/google-cloud-essential-contacts/pom.xml
index 251222caba45..75b0243d24de 100644
--- a/java-essential-contacts/google-cloud-essential-contacts/pom.xml
+++ b/java-essential-contacts/google-cloud-essential-contacts/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts</artifactId>
-  <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <packaging>jar</packaging>
   <name>Google Essential Contacts API</name>
   <url>https://github.com/googleapis/java-essential-contacts</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-essential-contacts</site.installationModule>
diff --git a/java-essential-contacts/grpc-google-cloud-essential-contacts-v1/pom.xml b/java-essential-contacts/grpc-google-cloud-essential-contacts-v1/pom.xml
index 03a32b77b805..0f6affaceed2 100644
--- a/java-essential-contacts/grpc-google-cloud-essential-contacts-v1/pom.xml
+++ b/java-essential-contacts/grpc-google-cloud-essential-contacts-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-  <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
   <name>grpc-google-cloud-essential-contacts-v1</name>
   <description>GRPC library for google-cloud-essential-contacts</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-essential-contacts/pom.xml b/java-essential-contacts/pom.xml
index ec6a041aa2e9..624bd81a4e7f 100644
--- a/java-essential-contacts/pom.xml
+++ b/java-essential-contacts/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <name>Google Essential Contacts API Parent</name>
   <url>https://github.com/googleapis/java-essential-contacts</url>
   <description>
@@ -60,17 +60,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-essential-contacts</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-        <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+        <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-essential-contacts/proto-google-cloud-essential-contacts-v1/pom.xml b/java-essential-contacts/proto-google-cloud-essential-contacts-v1/pom.xml
index 6288e5ed20a7..2e45004dfa22 100644
--- a/java-essential-contacts/proto-google-cloud-essential-contacts-v1/pom.xml
+++ b/java-essential-contacts/proto-google-cloud-essential-contacts-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-  <version>2.3.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+  <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
   <name>proto-google-cloud-essential-contacts-v1</name>
   <description>Proto library for google-cloud-essential-contacts</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>2.3.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-essential-contacts/versions.txt b/java-essential-contacts/versions.txt
index 0bcbec22152f..33eb9439a149 100644
--- a/java-essential-contacts/versions.txt
+++ b/java-essential-contacts/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-essential-contacts:2.3.0:2.3.0
-grpc-google-cloud-essential-contacts-v1:2.3.0:2.3.0
-proto-google-cloud-essential-contacts-v1:2.3.0:2.3.0
+google-cloud-essential-contacts:2.3.0:2.3.1-SNAPSHOT
+grpc-google-cloud-essential-contacts-v1:2.3.0:2.3.1-SNAPSHOT
+proto-google-cloud-essential-contacts-v1:2.3.0:2.3.1-SNAPSHOT