diff --git a/.github/workflows/deploy_helm_chart.yaml b/.github/workflows/deploy_helm_chart.yaml
index 40dc2b4cc..4fdde92c0 100644
--- a/.github/workflows/deploy_helm_chart.yaml
+++ b/.github/workflows/deploy_helm_chart.yaml
@@ -61,8 +61,8 @@ jobs:
       - name: Auth to Google Cloud
         uses: google-github-actions/auth@v2
         with:
-          workload_identity_provider: ${{ vars.CICD_WORKLOAD_IDENTITY_PROVIDER }}
-          service_account: ${{ vars.CICD_SERVICE_ACCOUNT_EMAIL }}
+          workload_identity_provider: ${{ env.CICD_WORKLOAD_IDENTITY_PROVIDER }}
+          service_account: ${{ env.CICD_SERVICE_ACCOUNT_EMAIL }}
 
       - name: Get GKE credentials to access the cluster
         uses: google-github-actions/get-gke-credentials@v2
diff --git a/.github/workflows/package_and_push_helm_chart.yaml b/.github/workflows/package_and_push_helm_chart.yaml
index cc246c23b..bb605c7a8 100644
--- a/.github/workflows/package_and_push_helm_chart.yaml
+++ b/.github/workflows/package_and_push_helm_chart.yaml
@@ -29,11 +29,11 @@ jobs:
       - name: Setup Helm
         uses: azure/setup-helm@v4.1.0
         with:
-          version: ${{ vars.HELM_VERSION }}
+          version: ${{ env.HELM_VERSION }}
 
       - name: Login with Helm
         run: |
-          echo ${{ secrets.GITHUB_TOKEN }} | helm registry login ${{ vars.HELM_REGISTRY }} --username ${{ github.repository_owner }} --password-stdin
+          echo ${{ secrets.GITHUB_TOKEN }} | helm registry login ${{ env.HELM_REGISTRY }} --username ${{ github.repository_owner }} --password-stdin
 
       - name: Prepare version
         run: |
@@ -46,7 +46,7 @@ jobs:
       - name: Push Helm chart to repository
         run: |
           helm package "charts/fairspace" --version ${{ env.VERSION }}
-          helm push "fairspace-${{ env.VERSION }}.tgz" "oci://${{ vars.HELM_REGISTRY }}"
+          helm push "fairspace-${{ env.VERSION }}.tgz" "oci://${{ env.HELM_REGISTRY }}"
           echo "Pushed package to repository"
 
       - name: Clean up