diff --git a/requirements.txt b/requirements.txt
index c8af0a2..b50361d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Additional packages for preview
-Flask==2.2.5
+Flask==3.1.3
 itsdangerous==2.1.2
 werkzeug==3.0.6