diff --git a/.github/workflows/test-env.yml b/.github/workflows/test-env.yml
index 9c00c0a..195be95 100644
--- a/.github/workflows/test-env.yml
+++ b/.github/workflows/test-env.yml
@@ -1,9 +1,9 @@
 name: Prepare Build
 on:
   push:
-    branches: [main]
+    branches: [master]
   pull_request:
-    branches: [main]
+    branches: [master]
   workflow_dispatch:
 permissions: {}
 jobs: