diff --git a/README.md b/README.md
index 0c1bbdd7b9..fa3d586cbd 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ of your Maven project.
   <dependency>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-iot-device-sdk-java</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
   </dependency>
 </dependencies>
 ```
@@ -94,7 +94,7 @@ The sample applications included with the SDK can also be installed using the fo
   <dependency>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-iot-device-sdk-java-samples</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
   </dependency>
 </dependencies>
 ```
diff --git a/aws-iot-device-sdk-java-samples/pom.xml b/aws-iot-device-sdk-java-samples/pom.xml
index f96a99201f..19e7f99331 100644
--- a/aws-iot-device-sdk-java-samples/pom.xml
+++ b/aws-iot-device-sdk-java-samples/pom.xml
@@ -3,14 +3,14 @@
   <parent>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-iot-device-sdk-java-pom</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
   </parent>
   <artifactId>aws-iot-device-sdk-java-samples</artifactId>
   <dependencies>
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-iot-device-sdk-java</artifactId>
-      <version>1.3.8</version>
+      <version>1.3.9</version>
     </dependency>
     <dependency>
       <groupId>commons-codec</groupId>
diff --git a/aws-iot-device-sdk-java-samples/samples-pom.xml b/aws-iot-device-sdk-java-samples/samples-pom.xml
index f7e0c85559..ebed8c3d1c 100644
--- a/aws-iot-device-sdk-java-samples/samples-pom.xml
+++ b/aws-iot-device-sdk-java-samples/samples-pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.amazonaws</groupId>
   <artifactId>aws-iot-device-sdk-java-samples</artifactId>
-  <version>1.3.8</version>
+  <version>1.3.9</version>
   <dependencies>
     <dependency>
       <groupId>org.apache.maven.plugins</groupId>
@@ -12,7 +12,7 @@
     <dependency>
       <groupId>com.amazonaws</groupId>
       <artifactId>aws-iot-device-sdk-java</artifactId>
-      <version>1.3.8</version>
+      <version>1.3.9</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
diff --git a/aws-iot-device-sdk-java/pom.xml b/aws-iot-device-sdk-java/pom.xml
index 6a66dd11a1..27719d2a81 100644
--- a/aws-iot-device-sdk-java/pom.xml
+++ b/aws-iot-device-sdk-java/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.amazonaws</groupId>
     <artifactId>aws-iot-device-sdk-java-pom</artifactId>
-    <version>1.3.8</version>
+    <version>1.3.9</version>
   </parent>
   <artifactId>aws-iot-device-sdk-java</artifactId>
   <dependencies>
diff --git a/aws-iot-device-sdk-java/src/main/java/com/amazonaws/services/iot/client/mqtt/AwsIotMqttConnection.java b/aws-iot-device-sdk-java/src/main/java/com/amazonaws/services/iot/client/mqtt/AwsIotMqttConnection.java
index 3ab547e48d..2f002b7852 100644
--- a/aws-iot-device-sdk-java/src/main/java/com/amazonaws/services/iot/client/mqtt/AwsIotMqttConnection.java
+++ b/aws-iot-device-sdk-java/src/main/java/com/amazonaws/services/iot/client/mqtt/AwsIotMqttConnection.java
@@ -44,7 +44,7 @@
 @Setter
 public class AwsIotMqttConnection extends AwsIotConnection {
 
-    private static final String USERNAME_METRIC_STRING = "?SDK=Java&Version=1.3.8";
+    private static final String USERNAME_METRIC_STRING = "?SDK=Java&Version=1.3.9";
     private final SocketFactory socketFactory;
 
     private MqttAsyncClient mqttClient;
diff --git a/pom.xml b/pom.xml
index 0875e75642..212bd4552e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.amazonaws</groupId>
   <artifactId>aws-iot-device-sdk-java-pom</artifactId>
-  <version>1.3.8</version>
+  <version>1.3.9</version>
   <packaging>pom</packaging>
   <name>AWS IoT Device SDK for Java</name>
   <description>The AWS IoT Device SDK for Java provides Java APIs for devices to connect to AWS IoT service using the MQTT protocol. The SDK also provides support for AWS IoT specific features, such as Thing Shadow and Thing Shadow abstraction.</description>