diff --git a/README.md b/README.md
index 47a74cc..accb4b5 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,8 @@ Create an IAM role with the following policy:
             "Action": [
                 "s3:GetBucketTagging",
                 "s3:GetObject",
-                "s3:PutObject"
+                "s3:PutObject",
+                "s3:ListBucket"
             ],
             "Resource": [
                 "*"
diff --git a/policy.json b/policy.json
index fdeed04..b3378cb 100644
--- a/policy.json
+++ b/policy.json
@@ -7,7 +7,8 @@
             "Action": [
                 "s3:GetBucketTagging",
                 "s3:GetObject",
-                "s3:PutObject"
+                "s3:PutObject",
+                "s3:ListBucket"
             ],
             "Resource": [
                 "*"