diff --git a/pyproject.toml b/pyproject.toml
index 5a27442..01fc065 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ safety = "^1.10.3"
 coverage = "^7.3.2"
 coverage-badge = "^1.1.0"
 pytest-html = "^3.1.1"
-pytest-cov = "^3.0.0"
+pytest-cov = "^4.1.0"
 
 [tool.black]
 # https://github.com/psf/black