diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 12abb78..42d470d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,6 +1,10 @@
 name: build
 
-on: []
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
 
 env:
   CARGO_TERM_COLOR: always