diff --git a/requirements.txt b/requirements.txt
index 2f896d9..72fc380 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -175,7 +175,7 @@ tornado==5.0.2
 traitlets==4.3.2
 typing==3.6.4
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.54.0