diff --git a/requirements.txt b/requirements.txt
index 1601d57..3816720 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,5 +15,5 @@ pytz==2017.3
 requests==2.18.4
 six==1.11.0
 tzlocal==1.4
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.15.3