diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 90dba6c..86bef6f 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,7 +1,11 @@
-on: [push, pull_request]
-
 name: CI
 
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
 env:
   # This is required to enable the web_sys clipboard API which egui_web uses
   # https://rustwasm.github.io/wasm-bindgen/api/web_sys/struct.Clipboard.html