diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0f39b2..c7141c1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -87,9 +87,10 @@ jobs:
           PACKAGE_VERSION: ${{ steps.setup-env.outputs.shfmt-version }}
         run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
       - name: Install Terraform-docs
-        run: |
-          go install \
-            github.com/terraform-docs/terraform-docs@${TERRAFORM_DOCS_VERSION}
+        env:
+          PACKAGE_URL: github.com/terraform-docs/terraform-docs
+          PACKAGE_VERSION: ${{ steps.setup-env.outputs.terraform-docs-version }}
+        run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip