diff --git a/requirements.txt b/requirements.txt
index 31cfb96..304b0c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 aniso8601==1.3.0
 blinker==1.4
 click==6.7
-Flask==1.1.4
+Flask==2.3.2
 Flask-Mail==0.9.1
 Flask-PageDown==0.2.2
 Flask-RESTful==0.3.6