diff --git a/poetry.lock b/poetry.lock
index e33df0d..129863c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -868,13 +868,13 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 
 [[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]
@@ -882,7 +882,7 @@ 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 = "pyyaml"
@@ -1264,4 +1264,4 @@ tests = ["build", "coverage", "mypy", "ruff", "wheel"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "1a1d4fb81e026a90f347b4ccc18fbc80dc3123cbf84449d8eb58ba8929e321a9"
+content-hash = "a3467fba1974ddb498c3d6531a3fbc93f4c5edf0615d03baef0d98dfc10bc3fe"
diff --git a/pyproject.toml b/pyproject.toml
index 5249907..4087d77 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ astropy = ">=5"
 [tool.poetry.dev-dependencies]
 pytest = "^8.0.2"
 mypy = "^1.8.0"
-pytest-cov = "^4.1.0"
+pytest-cov = "^5.0.0"
 
 [build-system]
 requires = ["poetry-core>=1.0.0"]