diff --git a/pyproject.toml b/pyproject.toml
index ef813aa..454c67b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -57,7 +57,7 @@ pyupgrade = "^2.29.1"
 safety = "^2.2.0"
 pytest = "^7.1.2"
 pylint = "^2.14.5"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.0.0"
 coveralls = "^3.3.1"
 
 [tool.poetry.group.docs]