diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53f56f8..8b3b655 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,4 +15,6 @@ jobs:
           pip install ruff
       # Update output format to enable automatic inline annotations.
       - name: Run Ruff
-        run: ruff check --output-format=github .
\ No newline at end of file
+        run: ruff check --output-format=github .
+      - name: Format check
+        run: ruff format --check .