diff --git a/.travis.yml b/.travis.yml
index 2d7396a5..b9f24ee5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -93,7 +93,7 @@ matrix:
     - name: "Build C++/Java and Upload to S3 on OSX"
       os: osx
       compiler: clang
-      osx_image: xcode13.1
+      osx_image: xcode9.3
       script:
        - curl "https://awscli.amazonaws.com/AWSCLIV2.pkg" -o "AWSCLIV2.pkg"
        - sudo installer -pkg AWSCLIV2.pkg -target /
diff --git a/java/amazon-kinesis-producer/pom.xml b/java/amazon-kinesis-producer/pom.xml
index c2c753f0..74162f96 100644
--- a/java/amazon-kinesis-producer/pom.xml
+++ b/java/amazon-kinesis-producer/pom.xml
@@ -57,7 +57,7 @@
     </build>
 
     <properties>
-        <aws-sdk-core-version>1.11.960</aws-sdk-core-version>
+        <aws-sdk-core-version>1.12.156</aws-sdk-core-version>
     </properties>
 
     <dependencies>