diff --git a/contrib/cloudformation-template/Gemfile.lock b/contrib/cloudformation-template/Gemfile.lock
index 69e0e28..e28de98 100644
--- a/contrib/cloudformation-template/Gemfile.lock
+++ b/contrib/cloudformation-template/Gemfile.lock
@@ -346,8 +346,8 @@ GEM
     aws-sdk-iotsitewise (1.3.0)
       aws-sdk-core (~> 3, >= 3.71.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-iotthingsgraph (1.6.0)
-      aws-sdk-core (~> 3, >= 3.71.0)
+    aws-sdk-iotthingsgraph (1.22.0)
+      aws-sdk-core (~> 3, >= 3.126.0)
       aws-sigv4 (~> 1.1)
     aws-sdk-kafka (1.20.0)
       aws-sdk-core (~> 3, >= 3.71.0)