diff --git a/requirements.txt b/requirements.txt
index e465fcc..f924d54 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.0.2
+Flask==3.1.3
 Flask-Login==0.4.1
 pyserial==3.4
 pymodbus==2.2.0