diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index c2cad19..b7e97f6 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,8 +1,7 @@
 name: Rust
 
 on:
-  push:
-    branches: [ "*" ]
+  push: { branches: [master] }
   pull_request:
     branches: [ "*" ]