diff --git a/requirements.txt b/requirements.txt
index edc3e41..88b2b5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,4 +35,4 @@ requests==2.18.4
 six==1.10.0
 SQLAlchemy==1.1.12
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3