diff --git a/.gitea/workflows/dag-config-check.yml b/.gitea/workflows/dag-config-check.yml
index eb3140b..76ff381 100644
--- a/.gitea/workflows/dag-config-check.yml
+++ b/.gitea/workflows/dag-config-check.yml
@@ -71,7 +71,7 @@ jobs:
           curl -L https://raw.githubusercontent.com/dagu-org/dagu/main/scripts/installer.sh | bash
 
       - name: Render DAG Jinja templates
-        uses: dawidd6/action-ansible-playbook@v2
+        uses: dawidd6/action-ansible-playbook@c667c001c3d619edf12b1dc5ae4d5df31901715e # v2.0.1
         with:
           directory: .
           vault_password: ${{ secrets.ANSIBLE_VAULT_PASSWORD }}