diff --git a/README.md b/README.md
index a998469..72cb6b2 100644
--- a/README.md
+++ b/README.md
@@ -869,10 +869,12 @@ with voicemeeterlib.api('banana') as vm:
 
 ### Run tests
 
-To run all tests:
+Install [poetry](https://python-poetry.org/docs/#installation) and then:
 
-```
-pytest -v
+```powershell
+poetry poe test-basic
+poetry poe test-banana
+poetry poe test-potato
 ```
 
 ### Official Documentation
diff --git a/poetry.lock b/poetry.lock
index f1dd0a1..a6aa1d6 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -172,14 +172,14 @@ testing = ["covdefaults (>=2.3)", "pytest (>=8.3.3)", "pytest-cov (>=5)", "pytes
 
 [[package]]
 name = "pytest"
-version = "7.4.4"
+version = "8.3.4"
 description = "pytest: simple powerful testing with Python"
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 groups = ["dev"]
 files = [
-    {file = "pytest-7.4.4-py3-none-any.whl", hash = "sha256:b090cdf5ed60bf4c45261be03239c2c1c22df034fbffe691abe93cd80cea01d8"},
-    {file = "pytest-7.4.4.tar.gz", hash = "sha256:2cf0005922c6ace4a3e2ec8b4080eb0d9753fdc93107415332f50ce9e7994280"},
+    {file = "pytest-8.3.4-py3-none-any.whl", hash = "sha256:50e16d954148559c9a74109af1eaf0c945ba2d8f30f0a3d3335edde19788b6f6"},
+    {file = "pytest-8.3.4.tar.gz", hash = "sha256:965370d062bce11e73868e0335abac31b4d3de0e82f4007408d242b4f8610761"},
 ]
 
 [package.dependencies]
@@ -187,11 +187,11 @@ colorama = {version = "*", markers = "sys_platform == \"win32\""}
 exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
-pluggy = ">=0.12,<2.0"
-tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
+pluggy = ">=1.5,<2"
+tomli = {version = ">=1", markers = "python_version < \"3.11\""}
 
 [package.extras]
-testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
+dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
 [[package]]
 name = "pytest-randomly"
@@ -360,4 +360,4 @@ virtualenv = "*"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.10"
-content-hash = "9e720abd0018156ac6989a98516ad781f38008a19c6d6008840159281926a354"
+content-hash = "6339967c3f6cad8e4db7047ef3d12a5b059a279d0f7c98515c961477680bab8f"
diff --git a/pyproject.toml b/pyproject.toml
index d0cd19e..243eed0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,8 +19,8 @@ packages = [{ include = "voicemeeterlib" }]
 poethepoet = "^0.32.1"
 
 [tool.poetry.group.dev.dependencies]
-pytest = "^7.4.4"
-pytest-randomly = "^3.12.0"
+pytest = "^8.3.4"
+pytest-randomly = "^3.16.0"
 ruff = "^0.8.6"
 tox = "^4.23.2"
 virtualenv-pyenv = "^0.5.0"
@@ -37,39 +37,42 @@ levels.script = "scripts:ex_levels"
 midi.script = "scripts:ex_midi"
 obs.script = "scripts:ex_obs"
 observer.script = "scripts:ex_observer"
-test_basic.script = "scripts:test_basic"
-test_banana.script = "scripts:test_banana"
-test_potato.script = "scripts:test_potato"
-test_all.script = "scripts:test_all"
+test-basic.script = "scripts:test_basic"
+test-banana.script = "scripts:test_banana"
+test-potato.script = "scripts:test_potato"
+test-all.script = "scripts:test_all"
 
 [tool.tox]
 legacy_tox_ini = """
-[tox]
-envlist = py310,py311,py312
+    [tox]
+    envlist = py310,py311,py312,py313
 
-[testenv]
-passenv = *
-setenv = VIRTUALENV_DISCOVERY=pyenv
-allowlist_externals = poetry
-commands =
-  poetry install -v
-  poetry run pytest tests/
+    [testenv]
+    passenv = *
+    setenv = VIRTUALENV_DISCOVERY=pyenv
+    allowlist_externals = poetry
+    commands_pre =
+      poetry install --no-interaction --no-root
+    commands =
+      poetry run pytest tests
 
-[testenv:dsl]
-setenv = VIRTUALENV_DISCOVERY=pyenv
-allowlist_externals = poetry
-deps = pyparsing
-commands =
-  poetry install -v --without dev
-  poetry run python examples/dsl/
+    [testenv:dsl]
+    setenv = VIRTUALENV_DISCOVERY=pyenv
+    allowlist_externals = poetry
+    deps = pyparsing
+    commands_pre =
+      poetry install --no-interaction --no-root --without dev
+    commands =
+      poetry run python examples/dsl
 
-[testenv:obs]
-setenv = VIRTUALENV_DISCOVERY=pyenv
-allowlist_externals = poetry
-deps = obsws-python
-commands =
-  poetry install -v --without dev
-  poetry run python examples/obs/
+    [testenv:obs]
+    setenv = VIRTUALENV_DISCOVERY=pyenv
+    allowlist_externals = poetry
+    deps = obsws-python
+    commands_pre =
+      poetry install --no-interaction --no-root --without dev
+    commands =
+      poetry run python examples/obs
 """
 
 [tool.ruff]
diff --git a/scripts.py b/scripts.py
index 43955c6..e7c80a1 100644
--- a/scripts.py
+++ b/scripts.py
@@ -51,4 +51,5 @@ def test_potato():
 
 def test_all():
     steps = [test_basic, test_banana, test_potato]
-    [step() for step in steps]
+    for step in steps:
+        step()