diff --git a/flask-bootstrap/larger-app/requirements.txt b/flask-bootstrap/larger-app/requirements.txt
index 6779718..1d9291b 100644
--- a/flask-bootstrap/larger-app/requirements.txt
+++ b/flask-bootstrap/larger-app/requirements.txt
@@ -1,7 +1,7 @@
 alembic==0.9.6
 attrs==17.3.0
 click==6.7
-Flask==0.12.2
+Flask==1.0
 Flask-Migrate==2.1.1
 Flask-Script==2.0.6
 Flask-SQLAlchemy==2.3.2