diff --git a/requirements.txt b/requirements.txt
index 2b5469e..39e39c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ requests>=2.20.0
 scipy==1.2.0
 six==1.11.0
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 us==1.0.0
 psycopg2==2.7.7
 polyline==1.3.2