diff --git a/requirements-dev.txt b/requirements-dev.txt
index c246764..72405de 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==3.1.1
-coverage==5.1
+coverage==5.2
 sphinx==3.1.1
 pep257==0.7.0
 aiohttp-session==2.9.0