diff --git a/pyproject.toml b/pyproject.toml
index e3d0e77..1bb54fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ python = "^3.9"
 black = "^24.8.0"
 mypy = "^1.11.1"
 pytest = "^8.3.2"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 pytest-mock = "^3.14.0"
 ruff = "^0.5.6"