diff --git a/poetry.lock b/poetry.lock
index c0de6b5..67c4fa0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -471,6 +471,24 @@ tomli = {version = ">=1", markers = "python_version < \"3.11\""}
 [package.extras]
 dev = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "pygments (>=2.7.2)", "requests", "setuptools", "xmlschema"]
 
+[[package]]
+name = "pytest-cov"
+version = "6.0.0"
+description = "Pytest plugin for measuring coverage."
+optional = false
+python-versions = ">=3.9"
+files = [
+    {file = "pytest-cov-6.0.0.tar.gz", hash = "sha256:fde0b595ca248bb8e2d76f020b465f3b107c9632e6a1d1705f17834c89dcadc0"},
+    {file = "pytest_cov-6.0.0-py3-none-any.whl", hash = "sha256:eee6f1b9e61008bd34975a4d5bab25801eb31898b032dd55addc93e96fcaaa35"},
+]
+
+[package.dependencies]
+coverage = {version = ">=7.5", extras = ["toml"]}
+pytest = ">=4.6"
+
+[package.extras]
+testing = ["fields", "hunter", "process-tests", "pytest-xdist", "virtualenv"]
+
 [[package]]
 name = "pytest-xdist"
 version = "3.6.1"
@@ -627,4 +645,4 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 [metadata]
 lock-version = "2.0"
 python-versions = "<3.13,>=3.9"
-content-hash = "47a4c969f53358ba41ebfb1ed1acbb737c63f32ce6e1604f45f00f09ee743d1b"
+content-hash = "96e608a285703544d3c6b8033333e2b6c25f0d718dfa00664c73e49911764cb9"
diff --git a/pyproject.toml b/pyproject.toml
index c496e48..cbf20fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ tox = "^4.23.2"
 pytest = "^8.3.3"
 pytest-xdist = {version = "^3.6.1", extras=["psutil"]}
 coveralls = "^4.0.1"
+pytest-cov = "^6.0.0"
 
 [build-system]
 requires = ["poetry-core"]
diff --git a/tox.ini b/tox.ini
index 16ff974..151377e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,4 +23,4 @@ passenv =
 commands_pre =
     poetry install --with dev
 commands =
-    poetry run pytest -n auto {posargs}
\ No newline at end of file
+    poetry run pytest -n auto --cov vintasend {posargs}
\ No newline at end of file