diff --git a/requirements.txt b/requirements.txt
index 6e33251..be068ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 click==7.1.2
 cssmin==0.2.0
-Flask==1.1.2
+Flask==2.3.2
 Flask-Assets==2.0
 itsdangerous==1.1.0
 Jinja2==2.11.3