diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml
index 2e7e66f6c..ad97bad02 100644
--- a/.github/workflows/cd.yml
+++ b/.github/workflows/cd.yml
@@ -75,8 +75,8 @@ jobs:
         uses: hashicorp/tfc-workflows-github/actions/create-run@v1.0.0
         id: apply-run
         env:
-          TF_VAR_api_image_tag: ${{ github.sha }}
-          TF_VAR_web_image_tag: ${{ github.sha }}
+          TF_VAR_api_image_tag: "${{ github.sha }}"
+          TF_VAR_web_image_tag: "${{ github.sha }}"
         with:
           workspace: ${{ env.TF_WORKSPACE }}
           configuration_version: ${{ steps.apply-upload.outputs.configuration_version_id }}
diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index 133c551ed..111573c9e 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -47,8 +47,8 @@ jobs:
         uses: hashicorp/tfc-workflows-github/actions/create-run@v1.0.0
         id: plan-run
         env:
-          TF_VAR_api_image_tag: ${{ github.sha }}
-          TF_VAR_web_image_tag: ${{ github.sha }}
+          TF_VAR_api_image_tag: "${{ github.sha }}"
+          TF_VAR_web_image_tag: "${{ github.sha }}"
         with:
           workspace: ${{ env.TF_WORKSPACE }}
           configuration_version: ${{ steps.plan-upload.outputs.configuration_version_id }}