diff --git a/requirements.txt b/requirements.txt
index d07d7fb..9e308ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,5 +39,5 @@ tabula-py==1.0.0
 uritemplate==3.0.0
 urllib3==1.22
 virtualenv==15.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1