diff --git a/requirements.txt b/requirements.txt
index 61aecc9..512427f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,4 +19,4 @@ scipy==1.2.1
 six==1.12.0
 sqlalchemy==1.3.1
 urllib3==1.24.1
-werkzeug==0.14.1
+werkzeug==0.15.3