diff --git a/requirements.txt b/requirements.txt
index 5b6b4a9..cbd72ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ Flask-WTF==0.14.2
 Jinja2==2.10.1
 PyPDF2==1.26.0
 requests==2.22.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1