diff --git a/requirements_test.txt b/requirements_test.txt
index 31c7d1f..62448a8 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -7,4 +7,4 @@ mypy==0.910
 pylint==2.9.3
 pytest==6.2.3
 pytest-asyncio==0.15.1
-pytest-cov==2.12.1
+pytest-cov==4.0.0