diff --git a/requirements.txt b/requirements.txt
index 336375d..bb9ca2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,6 +29,6 @@ requests==2.18.4
 six==1.11.0
 SQLAlchemy==1.1.14
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 WTForms==2.1
 yarg==0.1.9