diff --git a/requirements.txt b/requirements.txt
index af4bf83..6a48cd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -83,7 +83,7 @@ testpath==0.4.2
 tornado==5.1.1
 traitlets==4.3.2
 typing==3.6.4
-urllib3==1.23
+urllib3==2.6.3
 virtualenv==16.0.0
 wcwidth==0.1.7
 webencodings==0.5.1