diff --git a/frechet_backend/requirements.txt b/frechet_backend/requirements.txt
index 1aa5403..536a3f2 100644
--- a/frechet_backend/requirements.txt
+++ b/frechet_backend/requirements.txt
@@ -13,4 +13,4 @@ pyparsing==2.2.0
 python-dateutil==2.7.3
 pytz==2018.4
 six==1.11.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5