diff --git a/pyproject.toml b/pyproject.toml
index 1fff212..d49a68d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dev-dependencies = [
     "pre-commit==3.8.0",
     "pylint-per-file-ignores>=1.3.2",
     "pylint==3.2.7",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
     "pytest==8.3.3",
     "syrupy>=4.7.1",
 ]
diff --git a/uv.lock b/uv.lock
index ab3293e..fbcea93 100644
--- a/uv.lock
+++ b/uv.lock
@@ -305,15 +305,15 @@ wheels = [
 
 [[package]]
 name = "pytest-cov"
-version = "5.0.0"
+version = "6.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "coverage" },
     { name = "pytest" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/74/67/00efc8d11b630c56f15f4ad9c7f9223f1e5ec275aaae3fa9118c6a223ad2/pytest-cov-5.0.0.tar.gz", hash = "sha256:5837b58e9f6ebd335b0f8060eecce69b662415b16dc503883a02f45dfeb14857", size = 63042 }
+sdist = { url = "https://files.pythonhosted.org/packages/be/45/9b538de8cef30e17c7b45ef42f538a94889ed6a16f2387a6c89e73220651/pytest-cov-6.0.0.tar.gz", hash = "sha256:fde0b595ca248bb8e2d76f020b465f3b107c9632e6a1d1705f17834c89dcadc0", size = 66945 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/78/3a/af5b4fa5961d9a1e6237b530eb87dd04aea6eb83da09d2a4073d81b54ccf/pytest_cov-5.0.0-py3-none-any.whl", hash = "sha256:4f0764a1219df53214206bf1feea4633c3b558a2925c8b59f144f682861ce652", size = 21990 },
+    { url = "https://files.pythonhosted.org/packages/36/3b/48e79f2cd6a61dbbd4807b4ed46cb564b4fd50a76166b1c4ea5c1d9e2371/pytest_cov-6.0.0-py3-none-any.whl", hash = "sha256:eee6f1b9e61008bd34975a4d5bab25801eb31898b032dd55addc93e96fcaaa35", size = 22949 },
 ]
 
 [[package]]
@@ -421,6 +421,6 @@ dev = [
     { name = "pylint", specifier = "==3.2.7" },
     { name = "pylint-per-file-ignores", specifier = ">=1.3.2" },
     { name = "pytest", specifier = "==8.3.3" },
-    { name = "pytest-cov", specifier = "==5.0.0" },
+    { name = "pytest-cov", specifier = "==6.0.0" },
     { name = "syrupy", specifier = ">=4.7.1" },
 ]