diff --git a/.github/workflows/test-harness.yml b/.github/workflows/test-harness.yml
index ecd17c8c..9e73ef66 100644
--- a/.github/workflows/test-harness.yml
+++ b/.github/workflows/test-harness.yml
@@ -48,6 +48,12 @@ jobs:
         with:
           ref: ${{ github.event.pull_request.head.sha || github.ref }}
 
+      - name: Setup Terraform
+        uses: hashicorp/setup-terraform@v3
+        with:
+          terraform_version: "1.5.7"
+          terraform_wrapper: false
+
       # This action will queue the workflow if another workflow is already running
       - uses: ahmadnassri/action-workflow-queue@v1
         with:
@@ -220,6 +226,12 @@ jobs:
         with:
           credentials_json: ${{ secrets.GOOGLE_CREDENTIALS }}
 
+      - name: Setup Terraform
+        uses: hashicorp/setup-terraform@v3
+        with:
+          terraform_version: "1.5.7"
+          terraform_wrapper: false
+
       - name: set GCP project
         id: config_project
         run: gcloud config set project testharnesstests