diff --git a/requirements.txt b/requirements.txt
index a936a19..9ebe028 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -82,7 +82,7 @@ traitlets==4.3.2
 typed-ast==1.1.1
 typing==3.6.6
 typing-extensions==3.7.2
-urllib3==1.24.1
+urllib3==1.26.5
 vine==1.1.4
 Werkzeug==0.14.1
 wrapt==1.10.11