diff --git a/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt b/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
index 2bd6b74..eb1b3ef 100644
--- a/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
+++ b/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
@@ -18,7 +18,7 @@ idna==2.8
 kfserving==0.3.0
 kubernetes==10.0.1
 minio==5.0.7
-numpy==1.18.1
+numpy==1.22.0
 oauthlib==3.1.0
 Pillow==7.0.0
 protobuf==3.11.3