diff --git a/requirements.txt b/requirements.txt
index 26e2948..1168414 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ scipy==1.1.0
 six==1.11.0
 shapely==1.6.4.post2
 subprocess32==3.5.2
-Werkzeug==0.14.1
+Werkzeug==0.15.3