diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54a7892e..fc7ec987 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,17 @@
 For **1.x** release notes, please see [v1.x/CHANGELOG.md](https://github.com/awslabs/amazon-kinesis-client/blob/v1.x/CHANGELOG.md)
 
 ---
+### Release 2.5.1 (June 27, 2023)
+* [#1143](https://github.com/awslabs/amazon-kinesis-client/pull/1143) Upgrade MultiLangDaemon to support StreamARN
+* [#1145](https://github.com/awslabs/amazon-kinesis-client/pull/1145) Introduced GitHub actions to trigger Maven builds during merge/pull requests
+* [#1136](https://github.com/awslabs/amazon-kinesis-client/pull/1136) Added testing architecture and KCL 2.x basic polling/streaming tests
+* [#1153](https://github.com/awslabs/amazon-kinesis-client/pull/1153) Checkstyle: added `UnusedImports` check.
+* [#1150](https://github.com/awslabs/amazon-kinesis-client/pull/1150) Enabled Checkstyle validation of test resources.
+* [#1149](https://github.com/awslabs/amazon-kinesis-client/pull/1149) Bound Checkstyle to `validate` goal for automated enforcement.
+* [#1148](https://github.com/awslabs/amazon-kinesis-client/pull/1148) Code cleanup to faciliate Checkstyle enforcement.
+* [#1142](https://github.com/awslabs/amazon-kinesis-client/pull/1142) Upgrade Google Guava dependency version from 31.1-jre to 32.0.0-jre
+* [#1115](https://github.com/awslabs/amazon-kinesis-client/pull/1115) Update KCL version from 2.5.0 to 2.5.1-SNAPSHOT
+
 ### Release 2.5.0 (May 19, 2023)
 * **[#1109](https://github.com/awslabs/amazon-kinesis-client/pull/1109) Add support for stream ARNs**
 * **[#1065](https://github.com/awslabs/amazon-kinesis-client/pull/1065) Allow tags to be added when lease table is created**
diff --git a/README.md b/README.md
index 6328e115..3cc92799 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ The recommended way to use the KCL for Java is to consume it from Maven.
   <dependency>
       <groupId>software.amazon.kinesis</groupId>
       <artifactId>amazon-kinesis-client</artifactId>
-      <version>2.4.8</version>
+      <version>2.5.1</version>
   </dependency>
   ```
 
diff --git a/amazon-kinesis-client-multilang/pom.xml b/amazon-kinesis-client-multilang/pom.xml
index b3a48210..8494c3c8 100644
--- a/amazon-kinesis-client-multilang/pom.xml
+++ b/amazon-kinesis-client-multilang/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>amazon-kinesis-client-pom</artifactId>
     <groupId>software.amazon.kinesis</groupId>
-    <version>2.5.1-SNAPSHOT</version>
+    <version>2.5.1</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/amazon-kinesis-client/pom.xml b/amazon-kinesis-client/pom.xml
index 30824281..2ba3aaac 100644
--- a/amazon-kinesis-client/pom.xml
+++ b/amazon-kinesis-client/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <groupId>software.amazon.kinesis</groupId>
     <artifactId>amazon-kinesis-client-pom</artifactId>
-    <version>2.5.1-SNAPSHOT</version>
+    <version>2.5.1</version>
   </parent>
 
   <artifactId>amazon-kinesis-client</artifactId>
diff --git a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/RetrievalConfig.java b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/RetrievalConfig.java
index 5d01edeb..ea302b19 100644
--- a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/RetrievalConfig.java
+++ b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/RetrievalConfig.java
@@ -49,7 +49,7 @@ public class RetrievalConfig {
      */
     public static final String KINESIS_CLIENT_LIB_USER_AGENT = "amazon-kinesis-client-library-java";
 
-    public static final String KINESIS_CLIENT_LIB_USER_AGENT_VERSION = "2.5.1-SNAPSHOT";
+    public static final String KINESIS_CLIENT_LIB_USER_AGENT_VERSION = "2.5.1";
 
     /**
      * Client used to make calls to Kinesis for records retrieval
diff --git a/pom.xml b/pom.xml
index 90cec514..dcebcb9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
   <artifactId>amazon-kinesis-client-pom</artifactId>
   <packaging>pom</packaging>
   <name>Amazon Kinesis Client Library</name>
-  <version>2.5.1-SNAPSHOT</version>
+  <version>2.5.1</version>
   <description>The Amazon Kinesis Client Library for Java enables Java developers to easily consume and process data
     from Amazon Kinesis.
   </description>