diff --git a/.github/workflows/auto-update.yml b/.github/workflows/auto-update.yml
index f7e0f465c8..e925c8a3c8 100644
--- a/.github/workflows/auto-update.yml
+++ b/.github/workflows/auto-update.yml
@@ -9,6 +9,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+        with:
+          ref: master
       - name: Create Branch
         uses: peterjgrainger/action-create-branch@v2.0.1
         env: