diff --git a/sync-root/.github/workflows/terraform-validation.yaml b/sync-root/.github/workflows/terraform-validation.yaml
index 38ae31b..1da5a14 100644
--- a/sync-root/.github/workflows/terraform-validation.yaml
+++ b/sync-root/.github/workflows/terraform-validation.yaml
@@ -25,7 +25,7 @@ jobs:
         uses: hashicorp/setup-terraform@v3
 
       - name: Setup Terraform Linters
-        uses: terraform-linters/setup-tflint@v4
+        uses: terraform-linters/setup-tflint@v6
         with:
           github_token: ${{ github.token }}