diff --git a/requirements.txt b/requirements.txt
index b8a16fc..2d2e4f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,4 +21,4 @@ requests==2.21.0
 six==1.12.0
 SQLAlchemy==1.3.0
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3