diff --git a/action.yaml b/action.yaml
index 81c9b9d..756b973 100644
--- a/action.yaml
+++ b/action.yaml
@@ -17,7 +17,7 @@ inputs:
     required: false
   slack_webhook:
     description: "Slack webhook for notifications"
-    required: true
+    required: false
 
 runs:
   using: "composite"