diff --git a/requirements.txt b/requirements.txt
index 8a8ee69..81e941d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,5 +29,5 @@ python-socketio==2.0.0
 pytz==2018.5
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1