diff --git a/api-common-java/build.gradle b/api-common-java/build.gradle
index 320b6d77f9..3bdf500f79 100644
--- a/api-common-java/build.gradle
+++ b/api-common-java/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'io.github.gradle-nexus.publish-plugin'
 group = "com.google.api"
 archivesBaseName = "api-common"
 
-project.version = "2.3.0" // {x-version-update:api-common:current}
+project.version = "2.3.1-SNAPSHOT" // {x-version-update:api-common:current}
 
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
diff --git a/api-common-java/pom.xml b/api-common-java/pom.xml
index 162b0c134f..559be3ece5 100644
--- a/api-common-java/pom.xml
+++ b/api-common-java/pom.xml
@@ -5,7 +5,7 @@
     <groupId>com.google.api</groupId>
     <artifactId>api-common</artifactId>
     <packaging>jar</packaging>
-    <version>2.3.0</version><!-- {x-version-update:api-common:current} -->
+    <version>2.3.1-SNAPSHOT</version><!-- {x-version-update:api-common:current} -->
     <name>API Common</name>
     <url>https://github.com/googleapis/api-common-java</url>
     <description>Common utilities for Google APIs in Java</description>
diff --git a/api-common-java/versions.txt b/api-common-java/versions.txt
index 4893b96e8a..dce00bdbf4 100644
--- a/api-common-java/versions.txt
+++ b/api-common-java/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-api-common:2.3.0:2.3.0
+api-common:2.3.0:2.3.1-SNAPSHOT