diff --git a/python/requirements.txt b/python/requirements.txt
index 18991160a..725f18a77 100644
--- a/python/requirements.txt
+++ b/python/requirements.txt
@@ -5,7 +5,7 @@
 # In short, if you change it here, PLEASE also change it in setup.py.
 #
 # setup.py install_requires
-aiohttp
+aiohttp==3.7
 aioredis
 click >= 7.0
 colorama