diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 522fbc3a5..c196225ed 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "1.8.8"
+    ".": "1.8.9"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f8ffe9f1..a7ead3894 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.8.9](https://github.com/microsoft/kiota-java/compare/v1.8.8...v1.8.9) (2025-08-07)
+
+
+### Bug Fixes
+
+* Patch RetryHandler.tryParseTimeHeader to support comma separated values returned by the server ([77a52a0](https://github.com/microsoft/kiota-java/commit/77a52a0629bfe722f582e0666d060b01ac064f1b))
+
 ## [1.8.8](https://github.com/microsoft/kiota-java/compare/v1.8.7...v1.8.8) (2025-07-04)
 
 
diff --git a/README.md b/README.md
index 8d48dad0b..61b39d904 100644
--- a/README.md
+++ b/README.md
@@ -22,27 +22,27 @@ In `build.gradle` in the `dependencies` section:
 
 ```Groovy
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-abstractions:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-abstractions:1.8.9'
 // x-release-please-end
 implementation 'com.microsoft.kiota:microsoft-kiota-authentication-azure:1.5.0'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-http-okHttp:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-http-okHttp:1.8.9'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-serialization-json:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-serialization-json:1.8.9'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-serialization-text:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-serialization-text:1.8.9'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-serialization-form:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-serialization-form:1.8.9'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-serialization-multipart:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-serialization-multipart:1.8.9'
 // x-release-please-end
 // x-release-please-start-version
-implementation 'com.microsoft.kiota:microsoft-kiota-bundle:1.8.8'
+implementation 'com.microsoft.kiota:microsoft-kiota-bundle:1.8.9'
 // x-release-please-end
 implementation 'jakarta.annotation:jakarta.annotation-api:2.1.1'
 ```
@@ -56,49 +56,49 @@ In `pom.xml` in the `dependencies` section:
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-abstractions</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-authentication-azure</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-http-okHttp</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-serialization-json</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-serialization-text</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-serialization-form</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
       <groupId>com.microsoft.kiota</groupId>
       <artifactId>microsoft-kiota-serialization-multipart</artifactId>
       <!--x-release-please-start-version-->
-      <version>1.8.8</version>
+      <version>1.8.9</version>
       <!--x-release-please-end-->
     </dependency>
     <dependency>
diff --git a/components/http/okHttp/src/main/java/com/microsoft/kiota/http/middleware/options/UserAgentHandlerOption.java b/components/http/okHttp/src/main/java/com/microsoft/kiota/http/middleware/options/UserAgentHandlerOption.java
index 9b1dfaae5..51ff02784 100644
--- a/components/http/okHttp/src/main/java/com/microsoft/kiota/http/middleware/options/UserAgentHandlerOption.java
+++ b/components/http/okHttp/src/main/java/com/microsoft/kiota/http/middleware/options/UserAgentHandlerOption.java
@@ -13,7 +13,7 @@ public UserAgentHandlerOption() {}
 
     private boolean enabled = true;
     @Nonnull private String productName = "kiota-java";
-    @Nonnull private String productVersion = "1.8.8"; // x-release-please-version
+    @Nonnull private String productVersion = "1.8.9"; // x-release-please-version
 
     /**
      * Gets the product name to be used in the user agent header
diff --git a/gradle.properties b/gradle.properties
index ddafbdf9a..09f32b497 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -31,7 +31,7 @@ mavenMajorVersion = 1
 mavenMinorVersion = 8
 # x-release-please-end
 # x-release-please-start-patch
-mavenPatchVersion = 8
+mavenPatchVersion = 9
 # x-release-please-end
 mavenArtifactSuffix =