diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6933c24..3c7b575 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ async-timeout==3.0.1
 pytest==5.4.3
 pytest-cov==2.10.0
 pytest-mock==3.2.0
-coverage==5.2
+coverage==5.2.1
 sphinx==3.1.2
 pep257==0.7.0
 aiohttp-session==2.9.0