diff --git a/.github/workflows/argocd.yaml b/.github/workflows/argocd.yaml
index b18a824..c34c843 100644
--- a/.github/workflows/argocd.yaml
+++ b/.github/workflows/argocd.yaml
@@ -51,6 +51,7 @@ jobs:
       - name: checkout argocd repo
         uses: actions/checkout@v7
         with:
+          ref: main
           repository: ${{ inputs.argocd_repo_url }}
           # token: ${{ secrets.ARGOCD_GIT_TOKEN }}
           ssh-key: ${{ secrets.ARGOCD_GIT_SSH_KEY }}