diff --git a/backend/requirements.txt b/backend/requirements.txt
index 921cc850..b082ad3b 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -64,7 +64,7 @@ tables==3.4.4
 toolz==0.9.0
 Twisted==18.4.0
 txaio==2.10.0
-urllib3==1.23
+urllib3==1.26.5
 websocket-client==0.48.0
 git+https://github.com/Novacer/zipline.git@master#egg=zipline
 zope.interface==4.5.0