diff --git a/test_requirements.txt b/test_requirements.txt
index 9c75cb58c93a..8c41baacff6a 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -4,7 +4,7 @@ setuptools<49.2.0
 hypothesis==6.13.4
 pytest==6.2.4
 pytz==2021.1
-pytest-cov==2.12.0
+pytest-cov==4.0.0
 pickle5; python_version == '3.7' and platform_python_implementation != 'PyPy'
 # for numpy.random.test.test_extending
 cffi