diff --git a/ClassExamples/ON47/StudentPassFail_Flask/test/requirements.txt b/ClassExamples/ON47/StudentPassFail_Flask/test/requirements.txt
index eb6294a..b93ed57 100644
--- a/ClassExamples/ON47/StudentPassFail_Flask/test/requirements.txt
+++ b/ClassExamples/ON47/StudentPassFail_Flask/test/requirements.txt
@@ -6,7 +6,7 @@ Jinja2==2.11.2
 Keras==2.4.3
 Keras-Preprocessing==1.0.5
 MarkupSafe==1.1.1
-numpy==1.16.6
+numpy==1.22.0
 PyYAML==5.3.1
 scipy==1.2.3
 six==1.15.0