diff --git a/action.yml b/action.yml
index 569aaf5..a118278 100644
--- a/action.yml
+++ b/action.yml
@@ -26,6 +26,9 @@ inputs:
   reviewers:
     description: 'A comma-separated list of GitHub logins that should review this PR.'
     required: false
+  labels:
+    description: 'A comma-separated list of labels to be set on this PR.'
+    required: false
 outputs:
   number:
     description: 'Pull Request number'