diff --git a/requirements.txt b/requirements.txt
index b6e0ebbe..c6799865 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -80,6 +80,6 @@ tornado==4.5.1
 Unidecode==0.4.21
 urllib3==1.21.1
 vine==1.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 WTForms==2.1
 xlrd==1.0.0