diff --git a/docs/samples/v1alpha2/custom/kfserving-custom-model/requirements.txt b/docs/samples/v1alpha2/custom/kfserving-custom-model/requirements.txt
index fcb2f0b9f..3c1019089 100644
--- a/docs/samples/v1alpha2/custom/kfserving-custom-model/requirements.txt
+++ b/docs/samples/v1alpha2/custom/kfserving-custom-model/requirements.txt
@@ -27,7 +27,7 @@ ipykernel==5.1.4
 ipython==7.13.0
 ipython-genutils==0.2.0
 jedi==0.16.0
-Jinja2==2.11.1
+Jinja2==3.1.4
 json5==0.9.2
 jsonschema==3.2.0
 jupyter-client==6.0.0