diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 71a36883..17a90eb2 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,8 +1,10 @@
 name: Rust
 
-on: [push]
-
-
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
 jobs:
   build: