diff --git a/requirements.txt b/requirements.txt
index e9c1527..36111a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ Shapely==1.6.4.post2
 six==1.11.0
 urllib3==1.22
 uWSGI==2.0.15
-Werkzeug==0.14.1
+Werkzeug==0.15.3