diff --git a/.github/workflows/ecosystem-tools.yaml b/.github/workflows/ecosystem-tools.yaml
index 321f5579f..cbcf8933c 100644
--- a/.github/workflows/ecosystem-tools.yaml
+++ b/.github/workflows/ecosystem-tools.yaml
@@ -63,7 +63,7 @@ jobs:
           cd $GITHUB_WORKSPACE
       - name: Run CI tests
         run: |
-          make run-blackbox-ci
+          make run-blackbox-ci STACKER_VERSION=v1.0.0
       - name: Log in to GitHub Docker Registry
         uses: docker/login-action@v3
         with: