diff --git a/requirements-dev.txt b/requirements-dev.txt
index 016d0529..62e84915 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ mongomock==3.22.*
 moto==3.1.16
 mypy==0.790
 pytest==6.2.*
-pytest-cov==2.11.*
+pytest-cov==4.1.*
 pytest-mock==3.5.*
 pytest-vcr==1.0.*
 coveralls==3.0.*