diff --git a/.github/workflows/scala-steward.yml b/.github/workflows/scala-steward.yml
new file mode 100644
index 0000000..637b5ab
--- /dev/null
+++ b/.github/workflows/scala-steward.yml
@@ -0,0 +1,14 @@
+# This workflow will launch at 9:00 every Monday in JST
+on:
+  schedule:
+    - cron: '0 0 * * 1'
+
+jobs:
+  scala-steward:
+    runs-on: ubuntu-latest
+    name: Launch Scala Steward
+    steps:
+      - name: Launch Scala Steward
+        uses: scala-steward-org/scala-steward-action@v2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}