diff --git a/docs/conf.py b/docs/conf.py
index 8319c1e..d83387b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -45,7 +45,7 @@
 
 # General information about the project.
 project = "pybv"
-copyright = "2018-{}, pybv developers".format(date.today().year)
+copyright = f"2018-{date.today().year}, pybv developers"
 author = "pybv developers"
 version = pybv.__version__
 release = version
diff --git a/pyproject.toml b/pyproject.toml
index 3d4d4d8..54c3ef2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,6 @@
+[tool.ruff]
+exclude = ["docs"]
+
 [tool.ruff.lint]
 select = ["A", "B006", "D", "E", "F", "I", "W", "UP"]
 ignore = ["A002", "D203", "D213"]
diff --git a/setup.py b/setup.py
index ec5a1af..0803ccc 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
 # get the version
 version = None
-with open(os.path.join("pybv", "__init__.py"), "r") as fid:
+with open(os.path.join("pybv", "__init__.py")) as fid:
     for line in (line.strip() for line in fid):
         if line.startswith("__version__"):
             version_str = line.split("=")[1].strip()