diff --git a/ray-operator/config/samples/ray-cluster.tpu-v4-multihost.yaml b/ray-operator/config/samples/ray-cluster.tpu-v4-multihost.yaml
index 8c82bb830d..1dbac4ff1d 100644
--- a/ray-operator/config/samples/ray-cluster.tpu-v4-multihost.yaml
+++ b/ray-operator/config/samples/ray-cluster.tpu-v4-multihost.yaml
@@ -4,6 +4,9 @@
 apiVersion: ray.io/v1
 kind: RayCluster
 metadata:
+  # Label required for TPU webhook to initialize environments.
+  labels:
+    app.kubernetes.io/name: kuberay
   name: example-cluster-kuberay
 spec:
   headGroupSpec:
diff --git a/ray-operator/config/samples/ray-cluster.tpu-v4-singlehost.yaml b/ray-operator/config/samples/ray-cluster.tpu-v4-singlehost.yaml
index ea6f1bf16b..4c73d71f1c 100644
--- a/ray-operator/config/samples/ray-cluster.tpu-v4-singlehost.yaml
+++ b/ray-operator/config/samples/ray-cluster.tpu-v4-singlehost.yaml
@@ -4,6 +4,9 @@
 apiVersion: ray.io/v1
 kind: RayCluster
 metadata:
+  # Label required for TPU webhook to initialize environments.
+  labels:
+    app.kubernetes.io/name: kuberay
   name: example-cluster-kuberay
 spec:
   headGroupSpec: