diff --git a/12/web_example1/requirements.txt b/12/web_example1/requirements.txt
index 67e1235..a9c60cf 100644
--- a/12/web_example1/requirements.txt
+++ b/12/web_example1/requirements.txt
@@ -2,7 +2,7 @@ Flask==1.0
 Flask-Script==2.0.6
 Flask-WTF==0.14.2
 Mako==1.0.7
-numpy==1.14.2
+numpy==1.22.0
 scikit-learn==0.19.1
 scipy==1.0.1
 WTForms==2.1