diff --git a/requirements.txt b/requirements.txt
index b2bf48c..fa36e3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ six==1.12.0
 soupsieve==1.9.1
 SQLAlchemy==1.3.3
 traitlets==4.3.2
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.15.5
 WTForms==2.2.1