diff --git a/requirements-dev.txt b/requirements-dev.txt
index fb94723..6a93d06 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -11,5 +11,5 @@ aioredis==1.0.0
 hiredis==0.2.0
 passlib==1.7.1
 cryptography==2.1.4
-aiohttp==2.3.7
+aiohttp==2.3.9
 pytest-aiohttp==0.3.0