diff --git a/requirements.txt b/requirements.txt
index c40344c..86b9d93 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,6 @@ itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
 requests==2.18.4
-urllib3==1.22
+urllib3==1.26.5
 webassets==0.12.1
 Werkzeug==0.14.1