diff --git a/sample_infra_manifest.json b/sample_infra_manifest.json
index 5dfb249..8803366 100644
--- a/sample_infra_manifest.json
+++ b/sample_infra_manifest.json
@@ -7,7 +7,7 @@
 			"password": "foo_service_password",
 			"sizeInGb": 7,
 			"dbNames": ["foo_service"],
-			"dbExtensions": ["pgcrypto","pltcl"]
+			"dbExtensions": ["pgcrypto"]
 		},
 		"aws_access": {
 			"policies": [