diff --git a/java-os-config/CHANGELOG.md b/java-os-config/CHANGELOG.md
index 60996345874c..7ed231922441 100644
--- a/java-os-config/CHANGELOG.md
+++ b/java-os-config/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.5.1](https://github.com/googleapis/java-os-config/compare/v2.5.0...v2.5.1) (2022-07-13)
+
+
+### Bug Fixes
+
+* enable longpaths support for windows test ([#1485](https://github.com/googleapis/java-os-config/issues/1485)) ([#499](https://github.com/googleapis/java-os-config/issues/499)) ([5e7f699](https://github.com/googleapis/java-os-config/commit/5e7f6990a791ca9e0238786d82bd4daf6b16cb69))
+
 ## [2.5.0](https://github.com/googleapis/java-os-config/compare/v2.4.3...v2.5.0) (2022-07-01)
 
 
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 73abc7196c6f..4b3a81e12caa 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.1</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 c6f60dae7f1b..c148622a6244 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 9ebf28969795..7f4d016c10a8 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 44c5db175181..a8000d080767 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 2b32dbcf75d9..a57ac7f341f8 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 a3ae615a53f6..f2ddadd0cc62 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1alpha:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1beta:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+        <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-os-config-v1:current} -->
+        <version>2.5.1</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 9ab87eafd71a..3de8f0ad5608 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 537c877b7812..5545fd784d87 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1alpha:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 f77e51e1aa73..efb905d901d3 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>2.5.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-os-config-v1beta:current} -->
+  <version>2.5.1</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>2.5.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-os-config:current} -->
+    <version>2.5.1</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 b9dcbe57f951..934c8a168f2d 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>2.5.1-SNAPSHOT</version>
+      <version>2.5.1</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/java-os-config/versions.txt b/java-os-config/versions.txt
index a3331e680844..d98fb1f3f8e7 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:2.5.0:2.5.1-SNAPSHOT
-grpc-google-cloud-os-config-v1:2.5.0:2.5.1-SNAPSHOT
-grpc-google-cloud-os-config-v1beta:2.5.0:2.5.1-SNAPSHOT
-grpc-google-cloud-os-config-v1alpha:2.5.0:2.5.1-SNAPSHOT
-proto-google-cloud-os-config-v1:2.5.0:2.5.1-SNAPSHOT
-proto-google-cloud-os-config-v1alpha:2.5.0:2.5.1-SNAPSHOT
-proto-google-cloud-os-config-v1beta:2.5.0:2.5.1-SNAPSHOT
+google-cloud-os-config:2.5.1:2.5.1
+grpc-google-cloud-os-config-v1:2.5.1:2.5.1
+grpc-google-cloud-os-config-v1beta:2.5.1:2.5.1
+grpc-google-cloud-os-config-v1alpha:2.5.1:2.5.1
+proto-google-cloud-os-config-v1:2.5.1:2.5.1
+proto-google-cloud-os-config-v1alpha:2.5.1:2.5.1
+proto-google-cloud-os-config-v1beta:2.5.1:2.5.1