diff --git a/.github/workflows/send_update_signal.yml b/.github/workflows/send_update_signal.yml
new file mode 100644
index 0000000..9b7629e
--- /dev/null
+++ b/.github/workflows/send_update_signal.yml
@@ -0,0 +1,20 @@
+name: Dispatch Event on Master Update
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  dispatch:
+    runs-on: ubuntu-latest    
+    steps:
+      - name: Send repository dispatch event
+        run: |
+          curl -L \
+          -X POST \
+          -H "Accept: application/vnd.github+json" \
+          -H "Authorization: Bearer ${{ secrets.CICD_PAT }}" \
+          -H "X-GitHub-Api-Version: 2022-11-28" \
+          https://api.github.com/repos/UO-Geophysics/on_demand_fakequakes/dispatches \
+          -d '{"event_type":"repo-update","client_payload":{"unit":false,"integration":true}}'