diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
new file mode 100644
index 0000000..dc3eff1
--- /dev/null
+++ b/.github/workflows/sync.yml
@@ -0,0 +1,14 @@
+name: sync
+on:
+  schedule:
+    - cron: '0 0 * * *' # every hour
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          gh repo sync Godin/jacoco -b master
+          gh repo sync Godin/www.eclemma.org -b master
+          gh repo sync Godin/eclipse-eclemma -b master
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}