diff --git a/requirements.txt b/requirements.txt
index 876e1ff..a0c1bed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask-SQLAlchemy==1.0
 Flask-Script==2.0.3
 Jinja2==2.7.2
 Mako==0.9.1
-MarkupSafe==0.23
+MarkupSafe==1.1.1
 SQLAlchemy==0.9.4
 Werkzeug==0.9.4
 alembic==0.6.5