diff --git a/infrastructure/cfn.yaml b/infrastructure/cfn.yaml
index a3401138..d0b2fde5 100644
--- a/infrastructure/cfn.yaml
+++ b/infrastructure/cfn.yaml
@@ -59,6 +59,7 @@ Resources:
                 - "lambda:UpdateFunctionConfiguration"
                 - "lambda:PutFunctionConcurrency"
                 - "lambda:PutFunctionEventInvokeConfig"
+                - "lambda:ListTags"
                 - "lambda:TagResource"
                 - "lambda:InvokeFunction"
               Resource: "arn:aws:lambda:*:*:function:differential-deployment-*"