diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index ac00422..34fb5b3 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -20,10 +20,10 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip mypy "cython>=0.29"
-        pip install -U pip flake8 setuptools
+        python -m pip install --upgrade pip mypy "cython>=0.29" setuptools
+        pip install -U pip ".[dev]"
     - name: Style checks
-      run: python -m flake8
+      run: python -m ruff check .
     - name: Typing checks
       run: python -m mypy patiencediff
     - name: Build
diff --git a/pyproject.toml b/pyproject.toml
index 3bef8b7..91d2fb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,3 +67,8 @@ line-length = 79
 
 [tool.ruff.pydocstyle]
 convention = "google"
+
+[project.optional-dependencies]
+dev = [
+    "ruff==0.4.3"
+]