diff --git a/requirements.txt b/requirements.txt
index 1a478a4..d0b4cc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,7 +77,7 @@ testpath==0.3.1
 tornado==5.0.2
 traitlets==4.3.2
 typing==3.6.4
-urllib3==1.22
+urllib3==1.26.5
 uuid==1.30
 wcwidth==0.1.7
 Werkzeug==0.14.1