diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 178099b0ff4d..5213b8ae604b 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: '2.8'
   CI: true
 
 jobs: