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..4f49bc9 100644
--- a/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
+++ b/docs/samples/custom/kfserving-custom-model/model-server/requirements.txt
@@ -37,5 +37,5 @@ table-logger==0.3.6
 torch==1.4.0
 torchvision==0.5.0
 tornado==6.0.3
-urllib3==1.25.8
+urllib3==1.26.5
 websocket-client==0.57.0
diff --git a/docs/samples/custom/kfserving-custom-model/requirements.txt b/docs/samples/custom/kfserving-custom-model/requirements.txt
index 33e0252..edfb264 100644
--- a/docs/samples/custom/kfserving-custom-model/requirements.txt
+++ b/docs/samples/custom/kfserving-custom-model/requirements.txt
@@ -72,7 +72,7 @@ terminado==0.8.3
 testpath==0.4.4
 tornado==6.0.4
 traitlets==4.3.3
-urllib3==1.25.8
+urllib3==1.26.5
 wcwidth==0.1.8
 webencodings==0.5.1
 websocket-client==0.57.0