diff --git a/requirements.txt b/requirements.txt
index b9f7d2ee..002e1e0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ six==1.11.0
 smmap2==2.0.4
 tornado==4.5.3
 typed-ast==1.4.1
-urllib3==1.23
+urllib3==1.26.5
 virtualenv==16.2.0
 watchdog==0.10.3
 wrapt==1.10.11