diff --git a/Voice Font Web App/requirements.txt b/Voice Font Web App/requirements.txt
index 3236887..16919af 100644
--- a/Voice Font Web App/requirements.txt	
+++ b/Voice Font Web App/requirements.txt	
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==2.2.5
 numpy==1.22.2
 pandas==0.24.2
 requests>=2.7.0