diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index e9d16bd..2fbfb43 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -2,7 +2,11 @@ name: Cargo Build & Test
 
 on:
   push:
+    branches:
+      - master
   pull_request:
+    branches:
+      - master
 
 env: 
   CARGO_TERM_COLOR: always