diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c5cd747..dccdd7a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 ## Changelog
 
+### 0.15.3
+* [#478](https://github.com/awslabs/amazon-kinesis-producer/pull/478) Update AWS SDK CPP version
+
 ### 0.15.2
 * [#471](https://github.com/awslabs/amazon-kinesis-producer/pull/471) Upgrade Java dependencies
 
diff --git a/README.md b/README.md
index b3ce254b..1fee24ef 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,9 @@ This is a restatement of the [notice published](https://docs.aws.amazon.com/stre
 
 ## Release Notes
 
+### 0.15.3
+* [#478](https://github.com/awslabs/amazon-kinesis-producer/pull/478) Update AWS SDK CPP version
+
 ### 0.15.2
 * [#471](https://github.com/awslabs/amazon-kinesis-producer/pull/471) Upgrade Java dependencies
 
diff --git a/java/amazon-kinesis-producer-sample/pom.xml b/java/amazon-kinesis-producer-sample/pom.xml
index aa03d034..ba2921f5 100644
--- a/java/amazon-kinesis-producer-sample/pom.xml
+++ b/java/amazon-kinesis-producer-sample/pom.xml
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>com.amazonaws</groupId>
             <artifactId>amazon-kinesis-producer</artifactId>
-            <version>0.15.2</version>
+            <version>0.15.3</version>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
diff --git a/java/amazon-kinesis-producer/pom.xml b/java/amazon-kinesis-producer/pom.xml
index d0146eff..9bd03048 100644
--- a/java/amazon-kinesis-producer/pom.xml
+++ b/java/amazon-kinesis-producer/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.amazonaws</groupId>
     <artifactId>amazon-kinesis-producer</artifactId>
-    <version>0.15.2</version>
+    <version>0.15.3</version>
     <name>Amazon Kinesis Producer Library</name>
 
     <scm>
diff --git a/java/amazon-kinesis-producer/src/main/java/com/amazonaws/services/kinesis/producer/GlueSchemaRegistrySerializerInstance.java b/java/amazon-kinesis-producer/src/main/java/com/amazonaws/services/kinesis/producer/GlueSchemaRegistrySerializerInstance.java
index 99d5928b..941dbc08 100644
--- a/java/amazon-kinesis-producer/src/main/java/com/amazonaws/services/kinesis/producer/GlueSchemaRegistrySerializerInstance.java
+++ b/java/amazon-kinesis-producer/src/main/java/com/amazonaws/services/kinesis/producer/GlueSchemaRegistrySerializerInstance.java
@@ -11,7 +11,7 @@
 public final class GlueSchemaRegistrySerializerInstance {
 
     private volatile GlueSchemaRegistrySerializer instance = null;
-    private static final String USER_AGENT_APP_NAME = "kpl-0.15.2";
+    private static final String USER_AGENT_APP_NAME = "kpl-0.15.3";
 
     /**
      * Instantiate GlueSchemaRegistrySerializer using the KinesisProducerConfiguration.