diff --git a/requirements.txt b/requirements.txt
index 9ae8e85..6a986e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ Jinja2==2.9.6
 MarkupSafe==1.0
 requests==2.18.4
 six==1.11.0
-urllib3==1.22
+urllib3==1.26.5
 visitor==0.1.3
 Werkzeug==0.12.2