diff --git a/requirements.txt b/requirements.txt
index 697c6da..6324647 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ pytzdata==2018.3
 requests==2.18.4
 six==1.11.0
 tzlocal==1.5.1
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1