diff --git a/flask_ide/requirements.txt b/flask_ide/requirements.txt
index 99e1ac1..203de44 100644
--- a/flask_ide/requirements.txt
+++ b/flask_ide/requirements.txt
@@ -17,7 +17,7 @@ SQLAlchemy==0.9.8
 SQLAlchemy-Utils==0.27.5
 WTForms==2.0.1
 WebHelpers==1.3
-Werkzeug==0.9.6
+Werkzeug==0.15.5
 alembic==0.6.7
 argparse==1.2.1
 blinker==1.3