diff --git a/requirements/common.txt b/requirements/common.txt
index 8473102..cf4b618 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -63,5 +63,5 @@ traitlets==4.3.2
 urllib3==1.22
 visitor==0.1.3
 wcwidth==0.1.7
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 WTForms==2.1