diff --git a/src/requirements.txt b/src/requirements.txt
index a177f5a..f593ab3 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -35,6 +35,6 @@ sqlalchemy-migrate==0.9.2
 sqlparse==0.1.11
 Tempita==0.5.2
 visitor==0.1.3
-Werkzeug==0.9.6
+Werkzeug==0.15.3
 Whoosh==2.6.0
 WTForms==2.0.1