diff --git a/requirements.txt b/requirements.txt
index e52dac7..85adf42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ BeautifulSoup==3.2.1
 Flask==0.8
 Jinja2==2.6
 Pygments==1.5
-Werkzeug==0.8.3
+Werkzeug==0.15.3
 anyjson==0.3.1
 gevent==0.13.7
 greenlet==0.3.4