diff --git a/java-os-config/google-cloud-os-config-bom/pom.xml b/java-os-config/google-cloud-os-config-bom/pom.xml
index 0324233f980b..514a570a34b4 100644
--- a/java-os-config/google-cloud-os-config-bom/pom.xml
+++ b/java-os-config/google-cloud-os-config-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config-bom</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,37 +52,37 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-os-config</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1beta</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1alpha</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1alpha</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1beta</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-os-config/google-cloud-os-config/pom.xml b/java-os-config/google-cloud-os-config/pom.xml
index bc350605eb8a..2aff20874b53 100644
--- a/java-os-config/google-cloud-os-config/pom.xml
+++ b/java-os-config/google-cloud-os-config/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <packaging>jar</packaging>
   <name>Google OS Config API</name>
   <url>https://github.com/googleapis/java-os-config</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-os-config</site.installationModule>
diff --git a/java-os-config/grpc-google-cloud-os-config-v1/pom.xml b/java-os-config/grpc-google-cloud-os-config-v1/pom.xml
index 726d20ce05c2..19de0deb0226 100644
--- a/java-os-config/grpc-google-cloud-os-config-v1/pom.xml
+++ b/java-os-config/grpc-google-cloud-os-config-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
   <name>grpc-google-cloud-os-config-v1</name>
   <description>GRPC library for grpc-google-cloud-os-config-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/grpc-google-cloud-os-config-v1alpha/pom.xml b/java-os-config/grpc-google-cloud-os-config-v1alpha/pom.xml
index c1afcb1c3dbb..0de0e48b503f 100644
--- a/java-os-config/grpc-google-cloud-os-config-v1alpha/pom.xml
+++ b/java-os-config/grpc-google-cloud-os-config-v1alpha/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-os-config-v1alpha</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
   <name>grpc-google-cloud-os-config-v1alpha</name>
   <description>GRPC library for google-cloud-os-config</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/grpc-google-cloud-os-config-v1beta/pom.xml b/java-os-config/grpc-google-cloud-os-config-v1beta/pom.xml
index ba75e0e0ee1d..963cac7efd92 100644
--- a/java-os-config/grpc-google-cloud-os-config-v1beta/pom.xml
+++ b/java-os-config/grpc-google-cloud-os-config-v1beta/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-os-config-v1beta</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
   <name>grpc-google-cloud-os-config-v1beta</name>
   <description>GRPC library for google-cloud-os-config</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/pom.xml b/java-os-config/pom.xml
index d0457eea3dae..2fbfd11b5871 100644
--- a/java-os-config/pom.xml
+++ b/java-os-config/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-os-config-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   <name>Google OS Config API Parent</name>
   <url>https://github.com/googleapis/java-os-config</url>
   <description>
@@ -61,37 +61,37 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-os-config</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1beta</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1alpha</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1alpha</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1beta</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-os-config-v1</artifactId>
-        <version>2.5.4</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-os-config/proto-google-cloud-os-config-v1/pom.xml b/java-os-config/proto-google-cloud-os-config-v1/pom.xml
index b3b8f828725e..928de62147b1 100644
--- a/java-os-config/proto-google-cloud-os-config-v1/pom.xml
+++ b/java-os-config/proto-google-cloud-os-config-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-os-config-v1</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
   <name>proto-google-cloud-os-config-v1</name>
   <description>PROTO library for proto-google-cloud-os-config-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/proto-google-cloud-os-config-v1alpha/pom.xml b/java-os-config/proto-google-cloud-os-config-v1alpha/pom.xml
index e427fbde6411..0fd335f3cec1 100644
--- a/java-os-config/proto-google-cloud-os-config-v1alpha/pom.xml
+++ b/java-os-config/proto-google-cloud-os-config-v1alpha/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-os-config-v1alpha</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
   <name>proto-google-cloud-os-config-v1alpha</name>
   <description>Proto library for google-cloud-os-config</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/proto-google-cloud-os-config-v1beta/pom.xml b/java-os-config/proto-google-cloud-os-config-v1beta/pom.xml
index 4848bc5a7114..1e9f34185306 100644
--- a/java-os-config/proto-google-cloud-os-config-v1beta/pom.xml
+++ b/java-os-config/proto-google-cloud-os-config-v1beta/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-os-config-v1beta</artifactId>
-  <version>2.5.4</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+  <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
   <name>proto-google-cloud-os-config-v1beta</name>
   <description>Proto library for google-cloud-os-config</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-os-config-parent</artifactId>
-    <version>2.5.4</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.5-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-os-config/samples/snapshot/pom.xml b/java-os-config/samples/snapshot/pom.xml
index 04b5de9d1526..ea5393c1ebc0 100644
--- a/java-os-config/samples/snapshot/pom.xml
+++ b/java-os-config/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-os-config</artifactId>
-      <version>2.5.4</version>
+      <version>2.5.5-SNAPSHOT</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-os-config/versions.txt b/java-os-config/versions.txt
index d4710a5da85a..c165421f5140 100644
--- a/java-os-config/versions.txt
+++ b/java-os-config/versions.txt
@@ -1,10 +1,10 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-os-config:2.5.4:2.5.4
-grpc-google-cloud-os-config-v1:2.5.4:2.5.4
-grpc-google-cloud-os-config-v1beta:2.5.4:2.5.4
-grpc-google-cloud-os-config-v1alpha:2.5.4:2.5.4
-proto-google-cloud-os-config-v1:2.5.4:2.5.4
-proto-google-cloud-os-config-v1alpha:2.5.4:2.5.4
-proto-google-cloud-os-config-v1beta:2.5.4:2.5.4
+google-cloud-os-config:2.5.4:2.5.5-SNAPSHOT
+grpc-google-cloud-os-config-v1:2.5.4:2.5.5-SNAPSHOT
+grpc-google-cloud-os-config-v1beta:2.5.4:2.5.5-SNAPSHOT
+grpc-google-cloud-os-config-v1alpha:2.5.4:2.5.5-SNAPSHOT
+proto-google-cloud-os-config-v1:2.5.4:2.5.5-SNAPSHOT
+proto-google-cloud-os-config-v1alpha:2.5.4:2.5.5-SNAPSHOT
+proto-google-cloud-os-config-v1beta:2.5.4:2.5.5-SNAPSHOT