diff --git a/requirements.txt b/requirements.txt
index 2451752..0de9700 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -188,7 +188,7 @@ tqdm==4.31.1
 traitlets==4.3.2
 typed-ast==1.4.0
 unicodecsv==0.14.1
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1