diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 8322438f9841..0529f91f2f66 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -13,7 +13,7 @@ on:
 
 env:
   HAS_SECRETS: ${{ secrets.HAS_SECRETS }}
-  MAIN_BRANCH: master
+  MAIN_BRANCH: '2.9'
   CI: 'true'
 
 jobs: