diff --git a/java-core/google-cloud-core-bom/pom.xml b/java-core/google-cloud-core-bom/pom.xml
index d55e6b2..b66f107 100644
--- a/java-core/google-cloud-core-bom/pom.xml
+++ b/java-core/google-cloud-core-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-bom</artifactId>
-  <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -63,22 +63,22 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core</artifactId>
-        <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-grpc</artifactId>
-        <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-http</artifactId>
-        <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>native-image-support</artifactId>
-        <version>0.12.6</version><!-- {x-version-update:native-image-support:current} -->
+        <version>0.12.7-SNAPSHOT</version><!-- {x-version-update:native-image-support:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-core/google-cloud-core-grpc/pom.xml b/java-core/google-cloud-core-grpc/pom.xml
index f782d79..4bf4b64 100644
--- a/java-core/google-cloud-core-grpc/pom.xml
+++ b/java-core/google-cloud-core-grpc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-grpc</artifactId>
-  <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core gRPC</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-grpc</site.installationModule>
diff --git a/java-core/google-cloud-core-http/pom.xml b/java-core/google-cloud-core-http/pom.xml
index 0059f0d..975ac6a 100644
--- a/java-core/google-cloud-core-http/pom.xml
+++ b/java-core/google-cloud-core-http/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-http</artifactId>
-  <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core HTTP</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-http</site.installationModule>
diff --git a/java-core/google-cloud-core/pom.xml b/java-core/google-cloud-core/pom.xml
index f3f6151..9f3e5eb 100644
--- a/java-core/google-cloud-core/pom.xml
+++ b/java-core/google-cloud-core/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core</artifactId>
-  <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core</site.installationModule>
diff --git a/java-core/native-image-support/pom.xml b/java-core/native-image-support/pom.xml
index 22b4501..07d9f36 100644
--- a/java-core/native-image-support/pom.xml
+++ b/java-core/native-image-support/pom.xml
@@ -7,13 +7,13 @@
   <name>Google Cloud Native Image Support</name>
   <groupId>com.google.cloud</groupId>
   <artifactId>native-image-support</artifactId>
-  <version>0.12.6</version><!-- {x-version-update:native-image-support:current} -->
+  <version>0.12.7-SNAPSHOT</version><!-- {x-version-update:native-image-support:current} -->
   <packaging>jar</packaging>
 
   <parent>
     <artifactId>google-cloud-core-parent</artifactId>
     <groupId>com.google.cloud</groupId>
-    <version>2.5.6</version> <!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.5.7-SNAPSHOT</version> <!-- {x-version-update:google-cloud-core:current} -->
   </parent>
 
   <description>
diff --git a/java-core/pom.xml b/java-core/pom.xml
index 9b78b8b..6e82304 100644
--- a/java-core/pom.xml
+++ b/java-core/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.5.6</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.5.7-SNAPSHOT</version><!-- {x-version-update:google-cloud-core:current} -->
   <name>Google Cloud Core Parent</name>
   <url>https://github.com/googleapis/java-core</url>
   <description>
diff --git a/java-core/versions.txt b/java-core/versions.txt
index 785157f..573a7cb 100644
--- a/java-core/versions.txt
+++ b/java-core/versions.txt
@@ -1,5 +1,5 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-core:2.5.6:2.5.6
-native-image-support:0.12.6:0.12.6
\ No newline at end of file
+google-cloud-core:2.5.6:2.5.7-SNAPSHOT
+native-image-support:0.12.6:0.12.7-SNAPSHOT
\ No newline at end of file