diff --git a/requirements.txt b/requirements.txt
index eb45e1e..203a883 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -118,7 +118,7 @@ tqdm==4.31.1
 traitlets==4.3.2
 typed-ast==1.2.0
 typing==3.6.6
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.55.0