diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 93f1d85..9b33c7b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -73,6 +73,8 @@ indexnow:
         "urlList": ["https://zine.ansonbiggs.com", "https://zine.ansonbiggs.com/feed.xml"],
         "keyLocation": "https://zine.ansonbiggs.com/2433b0850f38472a9dab36367deb89fc.txt"
       }'
+  rules:
+    - if: "$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH"
 
 workflow:
   name: $CI_COMMIT_REF_NAME