diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 31aec09c3..2608f7acb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -38,6 +38,14 @@ python -m pip install --upgrade pip
 python -m pip install .
 ```
 
+## Local Testing
+
+This project uses [Nox](https://nox.thea.codes/en/stable/) for managing tests. Install nox to your local environment and it will handle creating the virtual environments required for each test.
+
+To run our local testing suite, use:
+
+`python3 -m nox --envdir ~/dvt/envs/ -s unit_small blacken lint`
+
 ## Conventional Commits
 
 This project uses [Conventional
diff --git a/noxfile.py b/noxfile.py
index a96764a8d..f7ae62adb 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -66,7 +66,7 @@ def unit(session):
     )
 
 
-@nox.session(python=DEFAULT_PYTHON_VERSION, venv_backend="venv")
+@nox.session(venv_backend="venv")
 def unit_small(session):
     unit(session)