diff --git a/chapter08/docker/movielens-api/requirements.txt b/chapter08/docker/movielens-api/requirements.txt
index 31272271..a6e78a42 100644
--- a/chapter08/docker/movielens-api/requirements.txt
+++ b/chapter08/docker/movielens-api/requirements.txt
@@ -2,3 +2,6 @@ Flask==1.1.1
 pandas==0.25.2
 Flask-HTTPAuth==3.3.0
 click==7.1.2
+Jinja2==3.0.3
+werkzeug==2.0.2
+itsdangerous==2.0.1
\ No newline at end of file