diff --git a/requirements.txt b/requirements.txt
index fb8d697..2a9a213 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ testpath==0.4.2
 tornado==6.0.2
 traitlets==4.3.2
 update-checker==0.16
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.56.0