diff --git a/.drone.yml b/.drone.yml
index 85fae61..0a01d0a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -15,7 +15,8 @@ steps:
 
   - name: notify
     image: plugins/webhook
-    urls: https://msgbus.mills.io/ci.mills.io
+    urls:
+      - https://msgbus.mills.io/ci.mills.io
     when:
       status:
         - success