diff --git a/ecsblog-demo/backend/requirements.txt b/ecsblog-demo/backend/requirements.txt
index 8b563d4..19acec6 100644
--- a/ecsblog-demo/backend/requirements.txt
+++ b/ecsblog-demo/backend/requirements.txt
@@ -1 +1 @@
-flask==1.1.2
\ No newline at end of file
+flask==2.3.2
\ No newline at end of file