diff --git a/poetry.lock b/poetry.lock
index cf48a3d..3f5f8fc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1201,13 +1201,13 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 
 [[package]]
 name = "pytest-cov"
-version = "3.0.0"
+version = "5.0.0"
 description = "Pytest plugin for measuring coverage."
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.8"
 files = [
-    {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-5.0.0.tar.gz", hash = "sha256:5837b58e9f6ebd335b0f8060eecce69b662415b16dc503883a02f45dfeb14857"},
+    {file = "pytest_cov-5.0.0-py3-none-any.whl", hash = "sha256:4f0764a1219df53214206bf1feea4633c3b558a2925c8b59f144f682861ce652"},
 ]
 
 [package.dependencies]
@@ -1215,7 +1215,7 @@ coverage = {version = ">=5.2.1", extras = ["toml"]}
 pytest = ">=4.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests", "pytest-xdist", "virtualenv"]
 
 [[package]]
 name = "pytest-mock"
@@ -1564,4 +1564,4 @@ polars = ["polars"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "6da04366d3e0f65ddd64f682315f34cd8df90fd874189ed103baf621e27b782b"
+content-hash = "249bd6eb7d0cd51687288c489b9e0d425a62e548ec3cd1e2bfba88cac2e5701b"
diff --git a/pyproject.toml b/pyproject.toml
index bcc7e4b..4040959 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ polars = ["polars"]
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.2"
-pytest-cov = "^3.0.0"
+pytest-cov = ">=3,<6"
 pytest-mypy = "^0.9.1"
 pytest-mock = "^3.7.0"
 pre-commit = "^2.18.1"