diff --git a/requirements.txt b/requirements.txt
index b895c97..3e3f73d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,6 +26,6 @@ python-dotenv==0.10.1
 six==1.12.0
 SQLAlchemy==1.3.1
 typed-ast==1.3.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.11.1
 WTForms==2.2.1