diff --git a/.ci/ruff.sh b/.ci/ruff.sh
index f24c10af..306a0803 100755
--- a/.ci/ruff.sh
+++ b/.ci/ruff.sh
@@ -17,3 +17,6 @@ ruff check --ignore "F401" $(find . -not -path '*/venv/*' -name '__init__.py')
 
 # Check all other files
 ruff check --exclude=__init__.py .
+
+# Check formatting
+ruff format --check