diff --git a/02_activate/22_solution/custom_train/prediction/requirements.txt b/02_activate/22_solution/custom_train/prediction/requirements.txt
index 755c575..f6ae2d2 100644
--- a/02_activate/22_solution/custom_train/prediction/requirements.txt
+++ b/02_activate/22_solution/custom_train/prediction/requirements.txt
@@ -1,6 +1,6 @@
 pandas
 numpy
-Flask==2.1.0
+Flask==2.3.2
 gunicorn==20.1.0
 google-cloud-bigquery
 google-cloud-aiplatform