diff --git a/requirements.txt b/requirements.txt
index 22ad4b4..e589ebe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-SQLAlchemy==2.4.1
 Flask-Script==2.0.6
 Flask-Travis==0.0.2
 Flask-WTF==0.14.2
-Flask==1.1.1
+Flask==2.3.2
 Jinja2==2.10.2
 MarkupSafe==1.1.1
 SQLAlchemy==1.3.11