diff --git a/requirements.txt b/requirements.txt
index 60bd4c1..fa90ed9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.9
+Flask==2.3.2
 Flask-WTF==0.8
 Jinja2==2.10.3
 MarkupSafe==1.1.1