diff --git a/requirements.txt b/requirements.txt
index a7e311e..97a8b87 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ MarkupSafe==0.23
 PyYAML==3.11
 SQLAlchemy==1.0.14
 WTForms==2.1
-Werkzeug==0.11.10
+Werkzeug==0.15.3
 alembic==0.8.7
 apt-xapian-index==0.45
 argparse==1.2.1