diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
new file mode 100644
index 0000000..29cd84b
--- /dev/null
+++ b/.github/workflows/downstream.yml
@@ -0,0 +1,14 @@
+name: Downstream
+
+# Alert downstream repos
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Alert M3O
+        run: |
+          curl -X POST -H "Authorization: token $GH_PAT" -H "Accept: application/vnd.github.v3+json" https://api.github.com/repos/m3o/m3o/dispatches -d '{"event_type":"micro_services"}'
+        env:
+          GH_PAT: ${{ secrets.GH_PAT }}