diff --git a/requirements.txt b/requirements.txt
index 224b409..ba084c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,5 +49,5 @@ six==1.11.0
 timeago==1.0.7
 Unidecode==0.4.21
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 Whoosh==2.7.4