diff --git a/.github/workflows/update-resources.yml b/.github/workflows/update-resources.yml
index d9d1835c..bec408a0 100644
--- a/.github/workflows/update-resources.yml
+++ b/.github/workflows/update-resources.yml
@@ -1,6 +1,9 @@
 name: update resources
 
-on: push
+on:
+  push:
+    branches:
+      - master
 
 jobs:
   build: