diff --git a/requirements.txt b/requirements.txt
index a38cd3c..74b8707 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-flask==1.0.2
+flask==3.1.3
 # keras and tensorflow are optional - models may use different frameworks
 # keras==2.3.1 
 pandas>=1.3.0