diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 7fce23c..b3cd456 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -2,9 +2,9 @@ name: build
 
 on:
   push:
-    branches: [ main ]
+    branches: [ main, master ]
   pull_request:
-    branches: [ main ]
+    branches: [ main, master ]
 
 env:
   CARGO_TERM_COLOR: always