diff --git a/action.yaml b/action.yaml
index 58386d9a..1f069ccf 100644
--- a/action.yaml
+++ b/action.yaml
@@ -51,6 +51,8 @@ inputs:
     default: true
   pull_number:
     description: Pull Request number to review. Required for "review" command.
+  labels:
+    description: Labels to add to the pull request being opened.
 runs:
   using: docker
   image: Dockerfile