diff --git a/poetry.lock b/poetry.lock
index 2781ec8..ec3de8d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1677,13 +1677,13 @@ testing = ["argcomplete", "attrs (>=19.2)", "hypothesis (>=3.56)", "mock", "pygm
 
 [[package]]
 name = "pytest-cov"
-version = "4.1.0"
+version = "5.0.0"
 description = "Pytest plugin for measuring coverage."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "pytest-cov-4.1.0.tar.gz", hash = "sha256:3904b13dfbfec47f003b8e77fd5b589cd11904a21ddf1ab38a64f204d6a10ef6"},
-    {file = "pytest_cov-4.1.0-py3-none-any.whl", hash = "sha256:6ba70b9e97e69fcc3fb45bfeab2d0a138fb65c4d0d6a41ef33983ad114be8c3a"},
+    {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]
@@ -1691,7 +1691,7 @@ 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"
@@ -2474,4 +2474,4 @@ fortran = ["f90nml"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10,<3.13"
-content-hash = "400a366ecad7896b45c0f47aa6a2647bc2ba21cd9ec228bd0cc3e1b404b51cca"
+content-hash = "8034b30797cf2c4d06ffc9061c2cc4e0e88cfffb0c7e56d926ff366372153d98"
diff --git a/pyproject.toml b/pyproject.toml
index 453a145..063d9c8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ fortran = ["f90nml"]
 [tool.poetry.group.testing.dependencies]
 pytest = "^8.1.1"
 pytest-sugar = "^1.0.0"
-pytest-cov = "^4.1.0"
+pytest-cov = ">=4.1,<6.0"
 xeger = "^0.4.0"
 pytest-mock = "^3.11.1"
 pandas = "^2.1.1"