diff --git a/noxfile.py b/noxfile.py
index 882ffb33..cadc109d 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -8,14 +8,15 @@
 DIR = Path(__file__).parent.resolve()
 
 nox.needs_version = ">=2024.3.2"
-nox.options.sessions = ["typecheck", "test"]
+nox.options.sessions = ["typecheck", "test_unit"]
 nox.options.default_venv_backend = "uv|virtualenv"
 
 
 @nox.session
 def typecheck(session: nox.Session) -> None:
+    """Typecheck with mypy."""
     session.install("--editable", ".[test]")
-    session.run("mypy", ".")
+    session.run("mypy")
 
 
 @nox.session
diff --git a/pyproject.toml b/pyproject.toml
index 193739ee..a816d2b7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,6 +58,7 @@ kerchunk = [
 ]
 dev = [
   "bump-my-version >=0.10.0",
+  "nox",
   "pre-commit >=2.4",
   "ruff >=0.6.3",
   "uv >=0.4.7",