diff --git a/requirements.txt b/requirements.txt
index 68c0026..5f18943 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 Flask-Bootstrap==3.3.7.1
 Flask-Testing==0.7.1
 Flask-WTF==0.14.2