diff --git a/Makefile b/Makefile
index 9f5efe5..2f3ec04 100644
--- a/Makefile
+++ b/Makefile
@@ -76,8 +76,11 @@ coverall: lint ## full test suite, check code coverage and open coverage report
 	coverage html
 	$(BROWSER) htmlcov/index.html
 
-tox:  ## run fully isolated tests with tox
-	tox
+nox:  ## run fully isolated tests with nox
+	nox
+
+tox:  ## old habits die hard: typo-squatting to use nox
+	nox
 
 docs:  ## build the documentation using mkdocs
 	mkdocs build
diff --git a/noxfile.py b/noxfile.py
new file mode 100644
index 0000000..fc22120
--- /dev/null
+++ b/noxfile.py
@@ -0,0 +1,8 @@
+import nox
+
+
+@nox.session(python=["3.9", "3.10", "3.11"])
+def tests(session):
+    session.install(".[test]")
+
+    session.run("pytest", *session.posargs)
diff --git a/pyproject.toml b/pyproject.toml
index b756b85..4749d72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,13 +39,6 @@ Source = "https://git.cpi.imtek.uni-freiburg.de/holgi/sensospot_parser.git"
 sensospot_parse = "sensospot_parser:main"
 
 [project.optional-dependencies]
-test = [
-    "pytest >=4.0.0",
-    "pytest-cov",
-    "pytest-mock",
-    "pytest-randomly >=3.5.0",
-    "tox",
-]
 dev = [
     "black",
     "keyring",
@@ -56,6 +49,13 @@ docs = [
     "mkdocs",
     "mkdocstrings[python]",
 ]
+test = [
+    "pytest >=4.0.0",
+    "pytest-cov",
+    "pytest-mock",
+    "pytest-randomly >=3.5.0",
+    "nox",
+]
 
 
 [tool.pytest.ini_options]
@@ -86,8 +86,8 @@ extend-exclude = '''
 select = ["ALL"]
 ignore = [
     # ignored for now, should be activated in the future
-    # docstrings 
-    "D", 
+    # docstrings
+    "D",
     # flake8-annotations
     "ANN",
     # flake8-type-checking
@@ -95,12 +95,12 @@ ignore = [
 
     # ignored, "black" will handle this
     # flake8-commas
-    "COM", 
+    "COM",
 
     # ignored, due to Windows / WSL2 setup
     # flake8-executable
     "EXE",
-    
+
     # project specific ignores
     # flake8-import-conventions
     "ICN",
@@ -115,4 +115,4 @@ target-version = "py38"
 "tests/*" = ["FBT003", "INP001", "PLR2004", "S101"]
 
 [tool.ruff.pydocstyle]
-convention = "pep257"  # Accepts: "google", "numpy", or "pep257".
\ No newline at end of file
+convention = "pep257"  # Accepts: "google", "numpy", or "pep257".
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 57f3a9c..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-[tox]
-envlist = py39, py310
-isolated_build = True
-
-[testenv]
-deps =
-    pytest
-    pytest-cov
-    pytest-mock
-    setuptools>=41.2.0
-    pip>=20.0.2
-
-changedir = {toxinidir}/tests
-commands = pytest --cov=sensovation_parser