diff --git a/requirements.txt b/requirements.txt
index 53e81ee..35aad61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 
 # WMSDatamining/cluster.py: 24
 # WMSDatamining/project.py: 1
-Flask == 1.1.2
+Flask == 2.3.2
 
 # WMSDatamining/project.py: 13
 Werkzeug == 1.0.1