diff --git a/pyproject.toml b/pyproject.toml
index e56f008..b89355f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ scipy = "~1.10"
 [tool.poetry.dev-dependencies]
 pytest = ">=6"
 flake8 = "^4.0.0"
-pytest-cov = "^4.1.0"
+pytest-cov = "^5.0.0"
 mypy = "^0.961"
 ipython = "^8.2.0"
 black = "^22.3.0"