diff --git a/.github/workflows/weekly_beautify.yaml b/.github/workflows/weekly_beautify.yaml
new file mode 100644
index 000000000..03179b12d
--- /dev/null
+++ b/.github/workflows/weekly_beautify.yaml
@@ -0,0 +1,23 @@
+name: Weekly beautify
+
+on:
+  schedule:
+    - cron: "0 0 * * 0"
+  workflow_dispatch:
+
+jobs:
+  prettier:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          # Make sure the actual branch is checked out when running on pull requests
+          ref: ${{ github.head_ref }}
+
+      - name: Prettify code
+        uses: creyD/prettier_action@v4.2
+        with:
+          # This part is also where you can pass other options, for example:
+          dry: True