diff --git a/webapp/requirements.txt b/webapp/requirements.txt
index f41a8e0..6c5dfd2 100644
--- a/webapp/requirements.txt
+++ b/webapp/requirements.txt
@@ -9,4 +9,4 @@ redis==2.10.6
 requests==2.18.4
 tornado==4.5.2
 tornado-redis==2.4.18
-urllib3==1.22
+urllib3==1.26.5