diff --git a/requirements.txt b/requirements.txt
index 80c912f..00306f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alembic==1.0.5
 certifi==2018.8.24
 chardet==3.0.4
 Click==7.0
-Flask==1.0.2
+Flask==1.1.1
 Flask-Login==0.4.1
 Flask-Migrate==2.1.1
 Flask-SQLAlchemy==2.3.2