diff --git a/.github/workflows/pr-unit-test-terraform.yml b/.github/workflows/pr-unit-test-terraform.yml
index bbd5b77..8d936c5 100644
--- a/.github/workflows/pr-unit-test-terraform.yml
+++ b/.github/workflows/pr-unit-test-terraform.yml
@@ -31,7 +31,7 @@ jobs:
           client-id: ${{ secrets.AZURE_CLIENT_ID }}
           tenant-id: ${{ secrets.AZURE_TENANT_ID }}
           subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
-      - uses: hashicorp/setup-terraform@v3
+      - uses: hashicorp/setup-terraform@v4
         with:
           terraform_version: 0.15.1
           terraform_wrapper: false