diff --git a/poetry.lock b/poetry.lock
index 80194af..d31ad17 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -381,7 +381,7 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.
 
 [[package]]
 name = "pytest-cov"
-version = "3.0.0"
+version = "4.0.0"
 description = "Pytest plugin for measuring coverage."
 category = "dev"
 optional = false
@@ -634,7 +634,7 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=6)", "pytest-black (>=
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "4751053c977c99f08e4aa434055ff6c3ae391d6077ff1db124ab7e37f69ee2f4"
+content-hash = "38ea56bc72c128e084926a34d527962d604e6c6d78cba4aa9d133e72fa922f6b"
 
 [metadata.files]
 attrs = [
@@ -922,8 +922,8 @@ pytest = [
     {file = "pytest-7.1.3.tar.gz", hash = "sha256:4f365fec2dff9c1162f834d9f18af1ba13062db0c708bf7b946f8a5c76180c39"},
 ]
 pytest-cov = [
-    {file = "pytest-cov-3.0.0.tar.gz", hash = "sha256:e7f0f5b1617d2210a2cabc266dfe2f4c75a8d32fb89eafb7ad9d06f6d076d470"},
-    {file = "pytest_cov-3.0.0-py3-none-any.whl", hash = "sha256:578d5d15ac4a25e5f961c938b85a05b09fdaae9deef3bb6de9a6e766622ca7a6"},
+    {file = "pytest-cov-4.0.0.tar.gz", hash = "sha256:996b79efde6433cdbd0088872dbc5fb3ed7fe1578b68cdbba634f14bb8dd0470"},
+    {file = "pytest_cov-4.0.0-py3-none-any.whl", hash = "sha256:2feb1b751d66a8bd934e5edfa2e961d11309dc37b73b0eabe73b5945fee20f6b"},
 ]
 pytest-mypy = [
     {file = "pytest-mypy-0.10.0.tar.gz", hash = "sha256:e74d632685f15a39c31c551a9d8cec4619e24bd396245a6335c5db0ec6d17b6f"},
diff --git a/pyproject.toml b/pyproject.toml
index 917c2fd..315aaa2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ click = "^8.0.3"
 black = "^22.8"
 mypy = "^0.981"
 pytest = "^7.1.3"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 pytest-mypy = "^0.10.0"
 toml = "^0.10.2"
 types-toml = "^0.10.8"