diff --git a/requirements-dev.txt b/requirements-dev.txt
index a728cf3..01f1124 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -13,6 +13,6 @@ aioredis==1.3.1
 hiredis==1.1.0
 passlib==1.7.4
 cryptography==3.3.1
-aiohttp==3.7.3
+aiohttp<3.7
 pytest-aiohttp==0.3.0
 pyjwt==1.7.1