diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8f7081dc..5c29f2fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@
 For **1.x** release notes, please see [v1.x/CHANGELOG.md](https://github.com/awslabs/amazon-kinesis-client/blob/v1.x/CHANGELOG.md)
 
 ---
+### Release 2.5.6 (2024-03-08)
+* [#1271](https://github.com/awslabs/amazon-kinesis-client/pull/1271) Adding snapshot for 2.5.6-SNAPSHOT 
+* [#1268](https://github.com/awslabs/amazon-kinesis-client/pull/1268) Upgrade ch.qos.logback:logback-classic dependency from 1.3.12 to 1.3.14
+* [#1268](https://github.com/awslabs/amazon-kinesis-client/pull/1268) Upgrade awssdk.version from 2.20.43 to 2.25.3
+* [#1268](https://github.com/awslabs/amazon-kinesis-client/pull/1268) Upgrade aws-java-sdk.version from 1.12.405 to 1.12.668
+* [#1268](https://github.com/awslabs/amazon-kinesis-client/pull/1268) Upgrade gsr.version from 1.1.17 to 1.1.19
+
 ### Release 2.5.5 (2024-02-22)
 * [#1257](https://github.com/awslabs/amazon-kinesis-client/pull/1257) Prevent improper error logging during worker shutdown 
 * [#1260](https://github.com/awslabs/amazon-kinesis-client/pull/1260) Add Deletion protection config 
diff --git a/README.md b/README.md
index 4d752513..e77ddb7a 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ 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>2.5.5</version>
+      <version>2.5.6</version>
   </dependency>
   ```
 
diff --git a/amazon-kinesis-client-multilang/pom.xml b/amazon-kinesis-client-multilang/pom.xml
index b9e5e286..6be30e0a 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>2.5.6-SNAPSHOT</version>
+    <version>2.5.6</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/amazon-kinesis-client/pom.xml b/amazon-kinesis-client/pom.xml
index 475bc55e..a1baa386 100644
--- a/amazon-kinesis-client/pom.xml
+++ b/amazon-kinesis-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>software.amazon.kinesis</groupId>
     <artifactId>amazon-kinesis-client-pom</artifactId>
-    <version>2.5.6-SNAPSHOT</version>
+    <version>2.5.6</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 3129cbcb..43c8261e 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 = "2.5.6-SNAPSHOT";
+    public static final String KINESIS_CLIENT_LIB_USER_AGENT_VERSION = "2.5.6";
 
     /**
      * Client used to make calls to Kinesis for records retrieval
diff --git a/pom.xml b/pom.xml
index 8e1127ba..17173f3a 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>2.5.6-SNAPSHOT</version>
+  <version>2.5.6</version>
   <description>The Amazon Kinesis Client Library for Java enables Java developers to easily consume and process data
     from Amazon Kinesis.
   </description>