diff --git a/requirements.txt b/requirements.txt
index bac5fe0..7c3eac6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ bcrypt==3.1.7
 cffi==1.14.1
 click==7.1.2
 cryptography==3.3.2
-Flask==1.1.2
+Flask==2.3.2
 Flask-Bcrypt==0.7.1
 Flask-SQLAlchemy==2.4.4
 itsdangerous==1.1.0