diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index ce1887f..24ba88a 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Setup Terraform
-        uses: hashicorp/setup-terraform@v2
+        uses: hashicorp/setup-terraform@5e8dbf3c6d9deaf4193ca7a8fb23f2ac83bb6c85 # v4
 
       - name: Terraform validate for each template
         run: |