diff --git a/requirements.txt b/requirements.txt
index cc6f561..080bfed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ simplegeneric==0.8.1
 six==1.11.0
 SQLAlchemy==1.2.13
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 websocket-client==0.54.0
 Werkzeug==0.14.1