diff --git a/.github/workflows/terratest.yml b/.github/workflows/terratest.yml
index 90be329..bc27bea 100644
--- a/.github/workflows/terratest.yml
+++ b/.github/workflows/terratest.yml
@@ -14,6 +14,11 @@ on:
                 required: false
                 default: '30m'
                 type: string
+            terraform_version:
+                description: 'Terraform version'
+                required: false
+                default: '1.9.0'
+                type: string
         secrets:
             TFE_TOKEN:
                 description: 'Terraform Cloud API Token'
@@ -34,6 +39,12 @@ jobs:
           with:
             path: ${{ inputs.sourceDir }}
 
+        - name: Setup HCP Terraform authentication
+          if: steps.detect.outputs.all_changed_files != '' || github.event_name == 'workflow_dispatch'
+          uses: hashicorp/setup-terraform@v3
+          with:
+            terraform_version: ${{ inputs.terraform_version }}
+            cli_config_credentials_token: ${{ secrets.TFE_TOKEN }}
 
         - uses: actions/setup-go@v5
           if: steps.detect.outputs.all_changed_files != '' || github.event_name == 'workflow_dispatch'