diff --git a/requirements.txt b/requirements.txt
index 4ee374d..5360a09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,6 +22,6 @@ requests==2.20.0
 simplegeneric==0.8.1
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 websocket-client==0.53.0