diff --git a/.github/workflows/update_generators.yml b/.github/workflows/update_generators.yml
index 76ac782f..c830162e 100644
--- a/.github/workflows/update_generators.yml
+++ b/.github/workflows/update_generators.yml
@@ -1,6 +1,8 @@
 name: Update Generators
 
-on: [push]
+on:
+  push:
+    branches: [master]
 
 jobs:
   build: