diff --git a/requirements.txt b/requirements.txt
index 4c3ed7a..0fede58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,5 +32,5 @@ pytz==2018.3
 requests==2.18.4
 six==1.11.0
 testfixtures==5.4.0
-urllib3==1.22
+urllib3==1.26.5
 Werkzeug==0.14.1