diff --git a/requirements.txt b/requirements.txt
index 04597381..fdee7de1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -202,7 +202,7 @@ tqdm==4.28.1
 traitlets==4.3.2
 typed-ast==1.2.0
 unicodecsv==0.14.1
-urllib3==1.23
+urllib3==1.26.5
 vine==1.1.4
 wcwidth==0.1.7
 webencodings==0.5.1