diff --git a/requirements_dev.txt b/requirements_dev.txt
index 14a378f..b102217 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,7 +3,7 @@ requests>=2.23.0
 urllib3>=1.26.4
 mock>=4.0.2
 pytest==6.2.4
-pytest-cov==2.12.0
+pytest-cov==4.0.0
 wheel
 tldextract>=2.2.3
 flake8==3.9.2