diff --git a/.github/workflows/downstream-build.yaml b/.github/workflows/downstream-build.yaml
new file mode 100644
index 00000000..e763bb47
--- /dev/null
+++ b/.github/workflows/downstream-build.yaml
@@ -0,0 +1,15 @@
+name: downstream-build
+
+on:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cvmfs-contrib/github-action-cvmfs@v3
+    - uses: key4hep/key4hep-actions/downstream-build@main