diff --git a/requirements.txt b/requirements.txt
index 47e18df..f6fe59e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.2
+Flask==2.3.2
 Flask-Login==0.5.0
 Flask-SocketIO==5.0.1
 oic==1.2.1