diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 394c4fd0..2a414f23 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,6 +6,7 @@ on:
     pull_request:
         branches:
             - main
+            - master
 
 jobs:
   windows-latest: