diff --git a/.github/workflows/update-labels.yml b/.github/workflows/update-labels.yml
index 406b305..57e1c60 100644
--- a/.github/workflows/update-labels.yml
+++ b/.github/workflows/update-labels.yml
@@ -1,6 +1,8 @@
 name: Update repository labels
 on:
-  pull_request:
+  push:
+    branches:
+      - main
     paths:
       - ".github/workflows/uptdate-label.yml"
       - ".github/update-labels.sh"