diff --git a/examples/requirements.txt b/examples/requirements.txt
index 1d03f78..bbb4889 100644
--- a/examples/requirements.txt
+++ b/examples/requirements.txt
@@ -11,7 +11,7 @@ gunicorn==20.0.4
 itsdangerous==1.1.0
 Jinja2==2.11.3
 MarkupSafe==1.1.1
-numpy==1.18.3
+numpy==1.22.0
 pandas==1.0.3
 plotly==4.6.0
 python-dateutil==2.8.1