diff --git a/.github/workflows/close-pr.yml b/.github/workflows/close-pr.yml
index fc75c50..2cdff09 100644
--- a/.github/workflows/close-pr.yml
+++ b/.github/workflows/close-pr.yml
@@ -50,12 +50,15 @@ jobs:
           docker compose config
           docker compose down --rmi all --volumes --remove-orphans
 
+      - name: 'GitHub Slug Action'
+        uses: rlespinasse/github-slug-action@v4
+
       - name: 'Remove GitHub deployment and environment'
         if: ${{ always() }}
         uses: strumwolf/delete-deployment-environment@v2.3.0
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: "${{ secrets.GITHUB_TOKEN }}"
           environment: test
           onlyRemoveDeployments: true
-          ref: ${{ env.VERSION_TAG }}
+          ref: "${{ env.GITHUB_HEAD_REF }}"
 
diff --git a/.github/workflows/test-and-deploy.yml b/.github/workflows/test-and-deploy.yml
index 4fe7d9f..24b9e9e 100644
--- a/.github/workflows/test-and-deploy.yml
+++ b/.github/workflows/test-and-deploy.yml
@@ -167,4 +167,4 @@ jobs:
           description: "Deployment for ${{ env.VERSION }}"
           environment: test
           initial-status: success
-          ref: ${{ env.VERSION }}
+          ref: "${{ env.GITHUB_HEAD_REF }}"