diff --git a/ui/requirements.txt b/ui/requirements.txt
index 2f1bd661a..5d987416c 100644
--- a/ui/requirements.txt
+++ b/ui/requirements.txt
@@ -12,3 +12,4 @@ kubernetes==3.0.0
 requests==2.22.0
 stups-tokens>=1.1.19
 wal_e==1.1.0
+werkzeug==0.16.1