diff --git a/requirements.txt b/requirements.txt
index 3a31387..3f866f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ pytz==2018.3
 requests==2.18.4
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1