diff --git a/chapter08/docker/movielens-api/requirements.txt b/chapter08/docker/movielens-api/requirements.txt
index 31272271..6547246f 100644
--- a/chapter08/docker/movielens-api/requirements.txt
+++ b/chapter08/docker/movielens-api/requirements.txt
@@ -1,4 +1,4 @@
-Flask==1.1.1
+Flask==2.3.2
 pandas==0.25.2
 Flask-HTTPAuth==3.3.0
 click==7.1.2