diff --git a/requirements.txt b/requirements.txt
index fa1bdbc..b9dce04 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,6 +25,6 @@ pytz==2017.3
 requests==2.18.4
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1
 wheel==0.24.0