diff --git a/action.yml b/action.yml
index 73b883bcc..a8270218b 100644
--- a/action.yml
+++ b/action.yml
@@ -49,6 +49,10 @@ inputs:
     description: 'The labels that mean an issue is exempt from being marked stale. Separate multiple labels with commas (eg. "label1,label2").'
     default: ''
     required: false
+  close-issue-reason:
+    description: 'The reason to use when closing an issue.'
+    default: ''
+    required: false
   stale-pr-label:
     description: 'The label to apply when a pull request is stale.'
     default: 'Stale'