diff --git a/.github/workflows/rustfmt.yml b/.github/workflows/rustfmt.yml
index 1215725..544a598 100644
--- a/.github/workflows/rustfmt.yml
+++ b/.github/workflows/rustfmt.yml
@@ -1,4 +1,7 @@
-on: [push, pull_request]
+on:
+  push:
+    branches: [ staging, trying, master ]
+  pull_request:
 
 name: Code formatting check