diff --git a/pyproject.toml b/pyproject.toml
index 51aad87..4a6cdb8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ ruff = "^0.3.4"
 pytest = "^8.1.1"
 hypothesis = "^6.99.12"
 mypy = "^1.9.0"
-pytest-cov = "^4.1.0"
+pytest-cov = "^5.0.0"
 
 [build-system]
 requires = ["poetry-core"]