diff --git a/requirement.txt b/requirement.txt
index 8516341..8e51631 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -12,4 +12,4 @@ requests==2.18.4
 SQLAlchemy==1.2.15
 urllib3==1.22
 virtualenv==15.2.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5