diff --git a/app/requirements.txt b/app/requirements.txt
index 5bcb32b..85c98da 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -59,4 +59,4 @@ urllib3==1.22
 vine==1.1.4
 wcwidth==0.1.7
 web3==3.16.4
-Werkzeug==0.13
+Werkzeug==0.15.3