diff --git a/requirements.txt b/requirements.txt
index ca06007..9780949 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -196,7 +196,7 @@ tornado==6.0.3
 tqdm==4.36.1
 traitlets==4.3.3
 unicodecsv==0.14.1
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0