diff --git a/morpheus.tf b/morpheus.tf
index 2545311..988549c 100644
--- a/morpheus.tf
+++ b/morpheus.tf
@@ -18,7 +18,8 @@ module "morpheus" {
       type  = "PLAINTEXT"
     }
   ]
-  packer_source_type = "S3"
+  shared_kms_key_arns = local.ami_kms_keys
+  packer_source_type  = "S3"
   packer_bucket = {
     name = aws_s3_bucket.assets_bucket.bucket
     key  = "linux-image-pipeline.zip"