diff --git a/requirements.txt b/requirements.txt
index 7f5ef54..a3da4f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -209,7 +209,7 @@ tornado==5.1.1
 tqdm==4.36.1
 traitlets==4.3.2
 unicodecsv==0.14.1
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1