diff --git a/lambda_function/ci.tf b/lambda_function/ci.tf
index 6f6c0a4..8f55927 100644
--- a/lambda_function/ci.tf
+++ b/lambda_function/ci.tf
@@ -45,7 +45,11 @@ resource "aws_iam_role_policy" "codebuild" {
     {
       "Effect": "Allow",
       "Resource": "${aws_lambda_function.lambda.arn}",
-      "Action": "lambda:UpdateFunctionCode"
+      "Action": [
+        "lambda:UpdateFunctionCode",
+        "lambda:ListVersionsByFunction",
+        "lambda:UpdateAlias"
+      ]
     }
   ]
 }