diff --git a/pyproject.toml b/pyproject.toml
index db255a49..f0ab9544 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ Changelog = "https://github.com/he0119/CoolQBot/blob/main/CHANGELOG.md"
 dev-dependencies = [
     "nonebug>=0.3.7",
     "nonebug-saa>=0.4.1",
-    "pytest-cov>=5.0.0",
+    "pytest-cov>=6.0.0",
     "pytest-mock>=3.14.0",
     "pytest-xdist>=3.6.1",
     "pytest-asyncio>=0.24.0",
diff --git a/uv.lock b/uv.lock
index a0a362ab..7910bf92 100644
--- a/uv.lock
+++ b/uv.lock
@@ -577,7 +577,7 @@ dev = [
     { name = "nonebug-saa", specifier = ">=0.4.1" },
     { name = "poethepoet", specifier = ">=0.29.0" },
     { name = "pytest-asyncio", specifier = ">=0.24.0" },
-    { name = "pytest-cov", specifier = ">=5.0.0" },
+    { name = "pytest-cov", specifier = ">=6.0.0" },
     { name = "pytest-loguru", specifier = ">=0.4.0" },
     { name = "pytest-mock", specifier = ">=3.14.0" },
     { name = "pytest-xdist", specifier = ">=3.6.1" },
@@ -2180,15 +2180,15 @@ 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]]