diff --git a/requirements.txt b/requirements.txt
index 8ecbf3c..8f7b900 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,5 +16,5 @@ requests==2.21.0
 six==1.12.0
 SQLAlchemy==1.2.15
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1