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..9e9dd1f 100644
--- a/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
+++ b/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
@@ -20,7 +20,7 @@ kubernetes==10.0.1
 minio==5.0.7
 numpy==1.18.1
 oauthlib==3.1.0
-Pillow==7.0.0
+Pillow==8.1.1
 protobuf==3.11.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8