diff --git a/.github/workflows/format-backend.yaml b/.github/workflows/format-backend.yaml
index 562e6aa1c1..c519db7558 100644
--- a/.github/workflows/format-backend.yaml
+++ b/.github/workflows/format-backend.yaml
@@ -40,10 +40,10 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install black
+          pip install "ruff>=0.15.5"
 
-      - name: Format backend
-        run: npm run format:backend
+      - name: Ruff format check
+        run: ruff format --check . --exclude .venv --exclude venv
 
-      - name: Check for changes after format
-        run: git diff --exit-code
+      - name: Ruff lint
+        run: ruff check . --exclude .venv --exclude venv