diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index de95b822..ac4019dd 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -3,10 +3,10 @@ name: Build and test
 on:
   push:
     branches:
-    - main
+    - branch-0.3
   pull_request:
     branches:
-    - main
+    - branch-0.3
 
 # Cancel previous PR build and test
 concurrency: