diff --git a/requirements.txt b/requirements.txt
index 5299002..6cbceb3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ terminado==0.8.1
 testpath==0.4.2
 tornado==5.1.1
 traitlets==4.3.2
-urllib3==1.23
+urllib3==1.26.5
 uWSGI==2.0.18
 virtualenv==16.1.0
 wcwidth==0.1.7