diff --git a/11-Serverless-Services/02_you-called/requirements.txt b/11-Serverless-Services/02_you-called/requirements.txt
index ae09db0..7883f5b 100644
--- a/11-Serverless-Services/02_you-called/requirements.txt
+++ b/11-Serverless-Services/02_you-called/requirements.txt
@@ -1 +1 @@
-Flask==1.0.2
\ No newline at end of file
+Flask==2.3.2
\ No newline at end of file