diff --git a/.github/workflows/cbt.yml b/.github/workflows/cbt.yml
index e649dab..baa6f55 100644
--- a/.github/workflows/cbt.yml
+++ b/.github/workflows/cbt.yml
@@ -2,7 +2,9 @@ name: cargo basic build-test
 
 on:
   push:
+    branches: ["window", "master"]
   pull_request:
+    branches: ["window"]
 
 env: 
   CARGO_TERM_COLOR: always