diff --git a/pyproject.toml b/pyproject.toml
index fb88b9f..58adebb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ python = "^3.11"
 
 [tool.poetry.dev-dependencies]
 pytest = "^8.0.0"
-pytest-cov = "^4.1.0"
+pytest-cov = "^5.0.0"
 ruff = "^0.3.0"
 
 [tool.pytest.ini_options]