diff --git a/Makefile b/Makefile
index 3935185ab..9faa0a1ec 100644
--- a/Makefile
+++ b/Makefile
@@ -7,14 +7,17 @@
 
 all: modl
 
-modl:
-	cd hnn_core/mod/ && nrnivmodl
-
 clean :
 	rm -rf hnn_core/mod/x86_64/*
 
 check-manifest:
 	check-manifest
 
+format:
+	ruff format
+
+modl:
+	cd hnn_core/mod/ && nrnivmodl
+
 test:
 	pytest .
diff --git a/pyproject.toml b/pyproject.toml
index 25cd619b7..102644c78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,3 +7,8 @@ check-hidden = true
 # in jupyter notebooks - images and also some embedded outputs
 ignore-regex = '^\s*"image/\S+": ".*|.*%22%3A%20.*'
 ignore-words-list = 'tha,nam,sherif,dout'
+
+[tool.ruff]
+exclude = ["*.ipynb"]
+[tool.ruff.format]
+quote-style = "single"
diff --git a/setup.py b/setup.py
index b97c03c40..15eda9172 100644
--- a/setup.py
+++ b/setup.py
@@ -77,7 +77,7 @@ def run(self):
     extras = {
         'opt': ['scikit-learn'],
         'parallel': ['joblib', 'psutil'],
-        'test': ['pytest', 'pytest-cov', ],
+        'test': ['pytest', 'pytest-cov', 'ruff',],
         'docs': ['mne', 'nibabel', 'pooch', 'tdqm',
                  'sphinx', 'sphinx-gallery',
                  'sphinx_bootstrap_theme', 'sphinx-copybutton',