diff --git a/pyproject.toml b/pyproject.toml
index f8eff77..4f86f30 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ flake8-black = "^0.3.2"
 black = "^22.1.0"
 flake8 = "^5.0.4"
 pytest = "^7.0.1"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 mypy = "^0.990"
 pytest-mock = "^3.7.0"
 flake8-isort = "^5.0.0"