diff --git a/contrib/cloudformation-template/Gemfile.lock b/contrib/cloudformation-template/Gemfile.lock
index 5117c3b..88300e0 100644
--- a/contrib/cloudformation-template/Gemfile.lock
+++ b/contrib/cloudformation-template/Gemfile.lock
@@ -128,8 +128,8 @@ GEM
     aws-sdk-codepipeline (1.30.0)
       aws-sdk-core (~> 3, >= 3.71.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-codestar (1.20.0)
-      aws-sdk-core (~> 3, >= 3.71.0)
+    aws-sdk-codestar (1.37.0)
+      aws-sdk-core (~> 3, >= 3.126.0)
       aws-sigv4 (~> 1.1)
     aws-sdk-codestarconnections (1.3.0)
       aws-sdk-core (~> 3, >= 3.71.0)