diff --git a/requirements-dev.txt b/requirements-dev.txt
index e5132b7..c62a8c8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ async-timeout==3.0.1
 pytest==5.4.1
 pytest-cov==2.8.1
 pytest-mock==2.0.0
-coverage==5.0.3
+coverage==5.0.4
 sphinx==2.4.4
 pep257==0.7.0
 aiohttp-session==2.9.0