diff --git a/docs/gateway/s3.md b/docs/gateway/s3.md
index 7b17a81dd..beb119dbd 100644
--- a/docs/gateway/s3.md
+++ b/docs/gateway/s3.md
@@ -54,6 +54,7 @@ Minimum permissions required if you wish to provide restricted access with your
             "Sid": "readonly",
             "Effect": "Allow",
             "Action": [
+                "s3:GetBucketPolicy",
                 "s3:HeadBucket",
                 "s3:ListBucket"
             ],