diff --git a/flask_app_prometheus_multiprocessing/src/requirements.txt b/flask_app_prometheus_multiprocessing/src/requirements.txt
index 603a59b..c543432 100644
--- a/flask_app_prometheus_multiprocessing/src/requirements.txt
+++ b/flask_app_prometheus_multiprocessing/src/requirements.txt
@@ -1,3 +1,3 @@
-Flask==1.0
+Flask==2.3.2
 prometheus_client==0.0.19
 uwsgi==2.0.15