diff --git a/.github/workflows/test-job.yaml b/.github/workflows/test-job.yaml
index 6f0c394bcce..4315c595a3c 100644
--- a/.github/workflows/test-job.yaml
+++ b/.github/workflows/test-job.yaml
@@ -340,6 +340,26 @@ jobs:
         with:
           ray_version: 2.2.0
 
+  test-compatibility-2_3_0:
+    needs:
+      - build_operator
+      - build_apiserver
+      - lint
+    runs-on: ubuntu-latest
+    name: Compatibility Test - 2.3.0
+    steps:
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+        with:
+          # When checking out the repository that
+          # triggered a workflow, this defaults to the reference or SHA for that event.
+          # Default value should work for both pull_request and merge(push) event.
+          ref: ${{github.event.pull_request.head.sha}}
+
+      - uses: ./.github/workflows/actions/compatibility
+        with:
+          ray_version: 2.3.0
+
   test-compatibility-nightly:
     needs:
       - build_operator
diff --git a/apiserver/README.md b/apiserver/README.md
index d84723bfd85..988f840ab4e 100644
--- a/apiserver/README.md
+++ b/apiserver/README.md
@@ -140,7 +140,7 @@ curl -X POST 'localhost:31888/apis/v1alpha2/namespaces/ray-system/services' \
   "clusterSpec": {
     "headGroupSpec": {
       "computeTemplate": "default-template",
-      "image": "rayproject/ray:2.2.0",
+      "image": "rayproject/ray:2.3.0",
       "serviceType": "NodePort",
       "rayStartParams": {
             "dashboard-host": "0.0.0.0",
@@ -152,7 +152,7 @@ curl -X POST 'localhost:31888/apis/v1alpha2/namespaces/ray-system/services' \
       {
         "groupName": "small-wg",
         "computeTemplate": "default-template",
-        "image": "rayproject/ray:2.2.0",
+        "image": "rayproject/ray:2.3.0",
         "replicas": 1,
         "minReplicas": 0,
         "maxReplicas": 5,
diff --git a/docs/guidance/pod-command.md b/docs/guidance/pod-command.md
index 06d8879ac48..e1c15157405 100644
--- a/docs/guidance/pod-command.md
+++ b/docs/guidance/pod-command.md
@@ -21,7 +21,7 @@ Currently, for timing (1), we can set the container's `Command` and `Args` in Ra
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             ...
           ports:
diff --git a/docs/guidance/volcano-integration.md b/docs/guidance/volcano-integration.md
index 2e2f6558f8b..8648e2e072d 100644
--- a/docs/guidance/volcano-integration.md
+++ b/docs/guidance/volcano-integration.md
@@ -42,7 +42,7 @@ metadata:
     ray.io/scheduler-name: volcano
     volcano.sh/queue-name: kuberay-test-queue
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   headGroupSpec:
     serviceType: ClusterIP
     rayStartParams:
@@ -52,7 +52,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             limits:
               cpu: "1"
@@ -106,7 +106,7 @@ metadata:
     ray.io/scheduler-name: volcano
     volcano.sh/queue-name: kuberay-test-queue
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   headGroupSpec:
     serviceType: ClusterIP
     rayStartParams:
@@ -116,7 +116,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             limits:
               cpu: "1"
@@ -135,7 +135,7 @@ spec:
         spec:
           containers:
           - name: ray-head
-            image: rayproject/ray:2.2.0
+            image: rayproject/ray:2.3.0
             resources:
               limits:
                 cpu: "1"
@@ -220,7 +220,7 @@ metadata:
     ray.io/scheduler-name: volcano
     volcano.sh/queue-name: kuberay-test-queue
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   headGroupSpec:
     serviceType: ClusterIP
     rayStartParams:
@@ -230,7 +230,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             limits:
               cpu: "1"
@@ -249,7 +249,7 @@ spec:
         spec:
           containers:
           - name: ray-head
-            image: rayproject/ray:2.2.0
+            image: rayproject/ray:2.3.0
             resources:
               limits:
                 cpu: "1"
diff --git a/ray-operator/DEVELOPMENT.md b/ray-operator/DEVELOPMENT.md
index 758cbb094e9..39bd97f201e 100644
--- a/ray-operator/DEVELOPMENT.md
+++ b/ray-operator/DEVELOPMENT.md
@@ -163,7 +163,7 @@ These tests operate small Ray clusters running within a [kind](https://kind.sigs
   # [Usage]: RAY_IMAGE=$RAY_IMAGE OPERATOR_IMAGE=$OPERATOR_IMAGE python3 tests/compatibility-test.py
   #          These 3 environment variables are optional.
   # [Example]:
-  RAY_IMAGE=rayproject/ray:2.2.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/compatibility-test.py
+  RAY_IMAGE=rayproject/ray:2.3.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/compatibility-test.py
   ```
 ### Running configuration tests locally.
 
@@ -173,9 +173,9 @@ and `tests/test_sample_rayservice_yamls.py`. Currently, only a few of these samp
 
 ```bash
 # Test RayCluster doc examples.
-RAY_IMAGE=rayproject/ray:2.2.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/test_sample_raycluster_yamls.py
+RAY_IMAGE=rayproject/ray:2.3.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/test_sample_raycluster_yamls.py
 # Test RayService doc examples.
-RAY_IMAGE=rayproject/ray:2.2.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/test_sample_rayservice_yamls.py
+RAY_IMAGE=rayproject/ray:2.3.0 OPERATOR_IMAGE=kuberay/operator:nightly python3 tests/test_sample_rayservice_yamls.py
 ```
 
 See [KubeRay PR #605](https://github.com/ray-project/kuberay/pull/605) for more details about the test framework.
diff --git a/ray-operator/apis/ray/v1alpha1/rayjob_types_test.go b/ray-operator/apis/ray/v1alpha1/rayjob_types_test.go
index 8bfe602dccf..d654a71f01b 100644
--- a/ray-operator/apis/ray/v1alpha1/rayjob_types_test.go
+++ b/ray-operator/apis/ray/v1alpha1/rayjob_types_test.go
@@ -49,7 +49,7 @@ var expectedRayJob = RayJob{
 						Containers: []corev1.Container{
 							{
 								Name:  "ray-head",
-								Image: "rayproject/ray:2.2.0",
+								Image: "rayproject/ray:2.3.0",
 								Env: []corev1.EnvVar{
 									{
 										Name: "MY_POD_IP",
@@ -111,7 +111,7 @@ var expectedRayJob = RayJob{
 							Containers: []corev1.Container{
 								{
 									Name:    "ray-worker",
-									Image:   "rayproject/ray:2.2.0",
+									Image:   "rayproject/ray:2.3.0",
 									Command: []string{"echo"},
 									Args:    []string{"Hello Ray"},
 									Env: []corev1.EnvVar{
@@ -175,7 +175,7 @@ var testRayJobJSON = `{
                         "containers": [
                             {
                                 "name": "ray-head",
-                                "image": "rayproject/ray:2.2.0",
+                                "image": "rayproject/ray:2.3.0",
                                 "ports": [
                                     {
                                         "name": "gcs-server",
@@ -238,7 +238,7 @@ var testRayJobJSON = `{
                             "containers": [
                                 {
                                     "name": "ray-worker",
-                                    "image": "rayproject/ray:2.2.0",
+                                    "image": "rayproject/ray:2.3.0",
                                     "command": [
                                         "echo"
                                     ],
diff --git a/ray-operator/apis/ray/v1alpha1/rayservice_types_test.go b/ray-operator/apis/ray/v1alpha1/rayservice_types_test.go
index 4e78c2d0bad..6dae8b3a947 100644
--- a/ray-operator/apis/ray/v1alpha1/rayservice_types_test.go
+++ b/ray-operator/apis/ray/v1alpha1/rayservice_types_test.go
@@ -97,7 +97,7 @@ var myRayService = &RayService{
 						Containers: []corev1.Container{
 							{
 								Name:  "ray-head",
-								Image: "rayproject/ray:2.2.0",
+								Image: "rayproject/ray:2.3.0",
 								Env: []corev1.EnvVar{
 									{
 										Name: "MY_POD_IP",
@@ -164,7 +164,7 @@ var myRayService = &RayService{
 							Containers: []corev1.Container{
 								{
 									Name:    "ray-worker",
-									Image:   "rayproject/ray:2.2.0",
+									Image:   "rayproject/ray:2.3.0",
 									Command: []string{"echo"},
 									Args:    []string{"Hello Ray"},
 									Env: []corev1.EnvVar{
@@ -267,7 +267,7 @@ var expected = `{
                   "containers":[
                      {
                         "name":"ray-head",
-                        "image":"rayproject/ray:2.2.0",
+                        "image":"rayproject/ray:2.3.0",
                         "ports":[
                            {
                               "name":"gcs-server",
@@ -335,7 +335,7 @@ var expected = `{
                      "containers":[
                         {
                            "name":"ray-worker",
-                           "image":"rayproject/ray:2.2.0",
+                           "image":"rayproject/ray:2.3.0",
                            "command":[
                               "echo"
                            ],
diff --git a/ray-operator/config/samples/ray-cluster.autoscaler.large.yaml b/ray-operator/config/samples/ray-cluster.autoscaler.large.yaml
index 7df0f693121..c81aceba6df 100644
--- a/ray-operator/config/samples/ray-cluster.autoscaler.large.yaml
+++ b/ray-operator/config/samples/ray-cluster.autoscaler.large.yaml
@@ -20,7 +20,7 @@ metadata:
   name: raycluster-autoscaler
 spec:
   # The version of Ray you are using. Make sure all Ray containers are running this version of Ray.
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   # If enableInTreeAutoscaling is true, the autoscaler sidecar will be added to the Ray head pod.
   # Ray autoscaler integration is supported only for Ray versions >= 1.11.0
   # Ray autoscaler integration is Beta with KubeRay >= 0.3.0 and Ray >= 2.0.0.
@@ -74,7 +74,7 @@ spec:
         containers:
         # The Ray head container
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           imagePullPolicy: Always
           # Optimal resource allocation will depend on your Kubernetes infrastructure and might
           # require some experimentation.
@@ -134,7 +134,7 @@ spec:
           command: ['sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
         containers:
         - name: ray-worker
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           # Optimal resource allocation will depend on your Kubernetes infrastructure and might
           # require some experimentation.
           # Setting requests=limits is recommended with Ray. K8s limits are used for Ray-internal
diff --git a/ray-operator/config/samples/ray-cluster.autoscaler.yaml b/ray-operator/config/samples/ray-cluster.autoscaler.yaml
index dd1dc263efd..caf043b65d3 100644
--- a/ray-operator/config/samples/ray-cluster.autoscaler.yaml
+++ b/ray-operator/config/samples/ray-cluster.autoscaler.yaml
@@ -11,7 +11,7 @@ metadata:
   name: raycluster-autoscaler
 spec:
   # The version of Ray you are using. Make sure all Ray containers are running this version of Ray.
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   # If enableInTreeAutoscaling is true, the autoscaler sidecar will be added to the Ray head pod.
   # Ray autoscaler integration is supported only for Ray versions >= 1.11.0
   # Ray autoscaler integration is Beta with KubeRay >= 0.3.0 and Ray >= 2.0.0.
@@ -65,7 +65,7 @@ spec:
         containers:
         # The Ray head container
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           imagePullPolicy: Always
           ports:
           - containerPort: 6379
@@ -128,7 +128,7 @@ spec:
           command: ['sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
         containers:
         - name: ray-worker
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           lifecycle:
             preStop:
               exec:
diff --git a/ray-operator/config/samples/ray-cluster.complete.large.yaml b/ray-operator/config/samples/ray-cluster.complete.large.yaml
index fe6a6d3ff03..fa8b6915981 100644
--- a/ray-operator/config/samples/ray-cluster.complete.large.yaml
+++ b/ray-operator/config/samples/ray-cluster.complete.large.yaml
@@ -13,7 +13,7 @@ metadata:
     # A unique identifier for the head node and workers of this cluster.
   name: raycluster-complete
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   # Ray head pod template
   headGroupSpec:
     # Kubernetes Service Type. This is an optional field, and the default value is ClusterIP.
@@ -35,7 +35,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           # Optimal resource allocation will depend on your Kubernetes infrastructure and might
           # require some experimentation.
           # Setting requests=limits is recommended with Ray. K8s limits are used for Ray-internal
@@ -89,7 +89,7 @@ spec:
       spec:
         containers:
         - name: ray-worker
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           # Optimal resource allocation will depend on your Kubernetes infrastructure and might
           # require some experimentation.
           # Setting requests=limits is recommended with Ray. K8s limits are used for Ray-internal
diff --git a/ray-operator/config/samples/ray-cluster.complete.yaml b/ray-operator/config/samples/ray-cluster.complete.yaml
index 1ff1beb8d29..205e1b93b17 100644
--- a/ray-operator/config/samples/ray-cluster.complete.yaml
+++ b/ray-operator/config/samples/ray-cluster.complete.yaml
@@ -10,7 +10,7 @@ metadata:
     # A unique identifier for the head node and workers of this cluster.
   name: raycluster-complete
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   # Ray head pod configuration
   headGroupSpec:
     # Kubernetes Service Type. This is an optional field, and the default value is ClusterIP.
@@ -29,7 +29,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           ports:
           - containerPort: 6379
             name: gcs
@@ -89,7 +89,7 @@ spec:
       spec:
         containers:
         - name: ray-worker
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           lifecycle:
             preStop:
               exec:
diff --git a/ray-operator/config/samples/ray-cluster.external-redis.yaml b/ray-operator/config/samples/ray-cluster.external-redis.yaml
index a8cbc284243..7ae9538c3f0 100644
--- a/ray-operator/config/samples/ray-cluster.external-redis.yaml
+++ b/ray-operator/config/samples/ray-cluster.external-redis.yaml
@@ -77,7 +77,7 @@ metadata:
   # An unique identifier for the head node and workers of this cluster.
   name: raycluster-external-redis
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   headGroupSpec:
     serviceType: ClusterIP # optional
     replicas: 1
@@ -90,7 +90,7 @@ spec:
       spec:
         containers:
           - name: ray-head
-            image: rayproject/ray:2.2.0
+            image: rayproject/ray:2.3.0
             env:
               # RAY_REDIS_ADDRESS can force ray to use external redis
               - name: RAY_REDIS_ADDRESS
@@ -128,7 +128,7 @@ spec:
               command: ['sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
           containers:
             - name: ray-worker
-              image: rayproject/ray:2.2.0
+              image: rayproject/ray:2.3.0
               volumeMounts:
                 - mountPath: /tmp/ray
                   name: ray-logs
diff --git a/ray-operator/config/samples/ray-cluster.getting-started.yaml b/ray-operator/config/samples/ray-cluster.getting-started.yaml
index 35028326cc6..617fcff6149 100644
--- a/ray-operator/config/samples/ray-cluster.getting-started.yaml
+++ b/ray-operator/config/samples/ray-cluster.getting-started.yaml
@@ -10,7 +10,7 @@ metadata:
     # An unique identifier for the head node and workers of this cluster.
   name: raycluster-getting-started
 spec:
-  rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+  rayVersion: '2.3.0' # should match the Ray version in the image of the containers
   # Ray head pod template
   headGroupSpec:
     serviceType: ClusterIP # optional
@@ -24,7 +24,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           volumeMounts:
           - mountPath: /opt
             name: config
diff --git a/ray-operator/config/samples/ray-cluster.head-command.yaml b/ray-operator/config/samples/ray-cluster.head-command.yaml
index 03e25470fc4..7629323b48a 100644
--- a/ray-operator/config/samples/ray-cluster.head-command.yaml
+++ b/ray-operator/config/samples/ray-cluster.head-command.yaml
@@ -8,7 +8,7 @@ metadata:
     # An unique identifier for the head node and workers of this cluster.
   name: raycluster-mini
 spec:
-  rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+  rayVersion: '2.3.0' # should match the Ray version in the image of the containers
   # Ray head pod template
   headGroupSpec:
     serviceType: ClusterIP # optional
@@ -22,7 +22,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             limits:
               cpu: 1
diff --git a/ray-operator/config/samples/ray-cluster.heterogeneous.yaml b/ray-operator/config/samples/ray-cluster.heterogeneous.yaml
index 7b1047752d0..f67c61a5193 100644
--- a/ray-operator/config/samples/ray-cluster.heterogeneous.yaml
+++ b/ray-operator/config/samples/ray-cluster.heterogeneous.yaml
@@ -34,7 +34,7 @@ metadata:
     # An unique identifier for the head node and workers of this cluster.
   name: raycluster-heterogeneous
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   ######################headGroupSpecs#################################
   # Ray head pod template
   headGroupSpec:
@@ -49,7 +49,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           volumeMounts:
           - mountPath: /opt
             name: config
@@ -88,7 +88,7 @@ spec:
           command: ['sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
         containers:
         - name: ray-worker # must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc'
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           volumeMounts:
             - mountPath: /tmp/ray
               name: ray-logs
@@ -128,7 +128,7 @@ spec:
           command: ['sh', '-c', "until nslookup raycluster-heterogeneous-head-svc.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
         containers:
         - name: ray-worker # must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc'
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           # use volumeMounts.Optional.
           # Refer to https://kubernetes.io/docs/concepts/storage/volumes/
           volumeMounts:
diff --git a/ray-operator/config/samples/ray-cluster.ingress.yaml b/ray-operator/config/samples/ray-cluster.ingress.yaml
index 3482d79a994..04eee0e45a6 100644
--- a/ray-operator/config/samples/ray-cluster.ingress.yaml
+++ b/ray-operator/config/samples/ray-cluster.ingress.yaml
@@ -10,7 +10,7 @@ metadata:
     nginx.ingress.kubernetes.io/rewrite-target: /$1
   name: raycluster-ingress
 spec:
-  rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+  rayVersion: '2.3.0' # should match the Ray version in the image of the containers
   headGroupSpec:
     serviceType: NodePort
     enableIngress: true
@@ -24,7 +24,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           ports:
           - containerPort: 6379
             name: gcs-server
diff --git a/ray-operator/config/samples/ray-cluster.mini.yaml b/ray-operator/config/samples/ray-cluster.mini.yaml
index c6ca7f8a25e..2f148011eb2 100644
--- a/ray-operator/config/samples/ray-cluster.mini.yaml
+++ b/ray-operator/config/samples/ray-cluster.mini.yaml
@@ -10,7 +10,7 @@ metadata:
     # An unique identifier for the head node and workers of this cluster.
   name: raycluster-mini
 spec:
-  rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+  rayVersion: '2.3.0' # should match the Ray version in the image of the containers
   # Ray head pod template
   headGroupSpec:
     serviceType: ClusterIP # optional
@@ -24,7 +24,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           resources:
             limits:
               cpu: 1
diff --git a/ray-operator/config/samples/ray-cluster.separate-ingress.yaml b/ray-operator/config/samples/ray-cluster.separate-ingress.yaml
index 29fd2e7457c..5a5f4e7007f 100644
--- a/ray-operator/config/samples/ray-cluster.separate-ingress.yaml
+++ b/ray-operator/config/samples/ray-cluster.separate-ingress.yaml
@@ -7,7 +7,7 @@ kind: RayCluster
 metadata:
   name: raycluster-ingress
 spec:
-  rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+  rayVersion: '2.3.0' # should match the Ray version in the image of the containers
   headGroupSpec:
     serviceType: NodePort
     replicas: 1
@@ -20,7 +20,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray:2.2.0
+          image: rayproject/ray:2.3.0
           ports:
           - containerPort: 6379
             name: gcs-server
diff --git a/ray-operator/config/samples/ray_v1alpha1_rayjob.yaml b/ray-operator/config/samples/ray_v1alpha1_rayjob.yaml
index 0d4114228ed..b6a066808de 100644
--- a/ray-operator/config/samples/ray_v1alpha1_rayjob.yaml
+++ b/ray-operator/config/samples/ray_v1alpha1_rayjob.yaml
@@ -15,7 +15,7 @@ spec:
   #}'
   runtimeEnv: ewogICAgInBpcCI6IFsKICAgICAgICAicmVxdWVzdHM9PTIuMjYuMCIsCiAgICAgICAgInBlbmR1bHVtPT0yLjEuMiIKICAgIF0sCiAgICAiZW52X3ZhcnMiOiB7ImNvdW50ZXJfbmFtZSI6ICJ0ZXN0X2NvdW50ZXIifQp9Cg==
   rayClusterSpec:
-    rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+    rayVersion: '2.3.0' # should match the Ray version in the image of the containers
     # Ray head pod template
     headGroupSpec:
       serviceType: ClusterIP # optional
@@ -29,7 +29,7 @@ spec:
         spec:
           containers:
             - name: ray-head
-              image: rayproject/ray:2.2.0
+              image: rayproject/ray:2.3.0
               ports:
                 - containerPort: 6379
                   name: gcs-server
@@ -71,7 +71,7 @@ spec:
                 command: [ 'sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done" ]
             containers:
               - name: ray-worker # must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc'
-                image: rayproject/ray:2.2.0
+                image: rayproject/ray:2.3.0
                 lifecycle:
                   preStop:
                     exec:
diff --git a/ray-operator/config/samples/ray_v1alpha1_rayservice.yaml b/ray-operator/config/samples/ray_v1alpha1_rayservice.yaml
index 1ed488ca3dc..fb93fd10aca 100644
--- a/ray-operator/config/samples/ray_v1alpha1_rayservice.yaml
+++ b/ray-operator/config/samples/ray_v1alpha1_rayservice.yaml
@@ -42,7 +42,7 @@ spec:
         rayActorOptions:
           numCpus: 0.1
   rayClusterConfig:
-    rayVersion: '2.2.0' # should match the Ray version in the image of the containers
+    rayVersion: '2.3.0' # should match the Ray version in the image of the containers
     ######################headGroupSpecs#################################
     # Ray head pod template.
     headGroupSpec:
@@ -58,7 +58,7 @@ spec:
         spec:
           containers:
             - name: ray-head
-              image: rayproject/ray:2.2.0
+              image: rayproject/ray:2.3.0
               imagePullPolicy: Always
               resources:
                 limits:
@@ -95,7 +95,7 @@ spec:
                 command: ['sh', '-c', "until nslookup $RAY_IP.$(cat /var/run/secrets/kubernetes.io/serviceaccount/namespace).svc.cluster.local; do echo waiting for K8s Service $RAY_IP; sleep 2; done"]
             containers:
               - name: ray-worker # must consist of lower case alphanumeric characters or '-', and must start and end with an alphanumeric character (e.g. 'my-name',  or '123-abc'
-                image: rayproject/ray:2.2.0
+                image: rayproject/ray:2.3.0
                 imagePullPolicy: Always
                 lifecycle:
                   preStop:
diff --git a/ray-operator/config/security/ray-cluster.pod-security.yaml b/ray-operator/config/security/ray-cluster.pod-security.yaml
index b562f67c4e0..ee805a3f7ae 100644
--- a/ray-operator/config/security/ray-cluster.pod-security.yaml
+++ b/ray-operator/config/security/ray-cluster.pod-security.yaml
@@ -10,7 +10,7 @@ metadata:
     # A unique identifier for the head node and workers of this cluster.
   name: raycluster-pod-security
 spec:
-  rayVersion: '2.2.0'
+  rayVersion: '2.3.0'
   # Ray head pod configuration
   headGroupSpec:
     serviceType: ClusterIP # optional
@@ -26,7 +26,7 @@ spec:
       spec:
         containers:
         - name: ray-head
-          image: rayproject/ray-ml:2.2.0
+          image: rayproject/ray-ml:2.3.0
           ports:
           - containerPort: 6379
             name: gcs
@@ -91,7 +91,7 @@ spec:
       spec:
         containers:
         - name: ray-worker
-          image: rayproject/ray-ml:2.2.0
+          image: rayproject/ray-ml:2.3.0
           # environment variables to set in the container.Optional.
           # Refer to https://kubernetes.io/docs/tasks/inject-data-application/define-environment-variable-container/
           lifecycle:
diff --git a/ray-operator/controllers/ray/raycluster_controller_fake_test.go b/ray-operator/controllers/ray/raycluster_controller_fake_test.go
index 7fbd6603636..da61bf09b8c 100644
--- a/ray-operator/controllers/ray/raycluster_controller_fake_test.go
+++ b/ray-operator/controllers/ray/raycluster_controller_fake_test.go
@@ -186,7 +186,7 @@ func setupTest(t *testing.T) {
 				Containers: []corev1.Container{
 					{
 						Name:    "ray-worker",
-						Image:   "rayproject/ray:2.2.0",
+						Image:   "rayproject/ray:2.3.0",
 						Command: []string{"echo"},
 						Args:    []string{"Hello Ray"},
 					},
@@ -209,7 +209,7 @@ func setupTest(t *testing.T) {
 				Containers: []corev1.Container{
 					{
 						Name:    "ray-worker",
-						Image:   "rayproject/ray:2.2.0",
+						Image:   "rayproject/ray:2.3.0",
 						Command: []string{"echo"},
 						Args:    []string{"Hello Ray"},
 					},
@@ -261,7 +261,7 @@ func setupTest(t *testing.T) {
 						Containers: []corev1.Container{
 							{
 								Name:    "ray-head",
-								Image:   "rayproject/ray:2.2.0",
+								Image:   "rayproject/ray:2.3.0",
 								Command: []string{"python"},
 								Args:    []string{"/opt/code.py"},
 								Env: []corev1.EnvVar{
@@ -294,7 +294,7 @@ func setupTest(t *testing.T) {
 							Containers: []corev1.Container{
 								{
 									Name:    "ray-worker",
-									Image:   "rayproject/ray:2.2.0",
+									Image:   "rayproject/ray:2.3.0",
 									Command: []string{"echo"},
 									Args:    []string{"Hello Ray"},
 									Env: []corev1.EnvVar{
diff --git a/ray-operator/controllers/ray/raycluster_controller_test.go b/ray-operator/controllers/ray/raycluster_controller_test.go
index c5e0ef80bd7..61fd2b54aa6 100644
--- a/ray-operator/controllers/ray/raycluster_controller_test.go
+++ b/ray-operator/controllers/ray/raycluster_controller_test.go
@@ -67,7 +67,7 @@ var _ = Context("Inside the default namespace", func() {
 						Containers: []corev1.Container{
 							{
 								Name:    "ray-head",
-								Image:   "rayproject/ray:2.2.0",
+								Image:   "rayproject/ray:2.3.0",
 								Command: []string{"python"},
 								Args:    []string{"/opt/code.py"},
 								Env: []corev1.EnvVar{
@@ -100,7 +100,7 @@ var _ = Context("Inside the default namespace", func() {
 							Containers: []corev1.Container{
 								{
 									Name:    "ray-worker",
-									Image:   "rayproject/ray:2.2.0",
+									Image:   "rayproject/ray:2.3.0",
 									Command: []string{"echo"},
 									Args:    []string{"Hello Ray"},
 									Env: []corev1.EnvVar{
diff --git a/ray-operator/controllers/ray/rayjob_controller_test.go b/ray-operator/controllers/ray/rayjob_controller_test.go
index 8029e9cf94a..b73dd40f23e 100644
--- a/ray-operator/controllers/ray/rayjob_controller_test.go
+++ b/ray-operator/controllers/ray/rayjob_controller_test.go
@@ -76,7 +76,7 @@ var _ = Context("Inside the default namespace", func() {
 							Containers: []corev1.Container{
 								{
 									Name:  "ray-head",
-									Image: "rayproject/ray:2.2.0",
+									Image: "rayproject/ray:2.3.0",
 									Env: []corev1.EnvVar{
 										{
 											Name: "MY_POD_IP",
@@ -143,7 +143,7 @@ var _ = Context("Inside the default namespace", func() {
 								Containers: []corev1.Container{
 									{
 										Name:    "ray-worker",
-										Image:   "rayproject/ray:2.2.0",
+										Image:   "rayproject/ray:2.3.0",
 										Command: []string{"echo"},
 										Args:    []string{"Hello Ray"},
 										Env: []corev1.EnvVar{
diff --git a/ray-operator/controllers/ray/rayservice_controller_test.go b/ray-operator/controllers/ray/rayservice_controller_test.go
index c288c5a2f67..f5a8debfac2 100644
--- a/ray-operator/controllers/ray/rayservice_controller_test.go
+++ b/ray-operator/controllers/ray/rayservice_controller_test.go
@@ -114,7 +114,7 @@ var _ = Context("Inside the default namespace", func() {
 							Containers: []corev1.Container{
 								{
 									Name:  "ray-head",
-									Image: "rayproject/ray:2.2.0",
+									Image: "rayproject/ray:2.3.0",
 									Env: []corev1.EnvVar{
 										{
 											Name: "MY_POD_IP",
@@ -189,7 +189,7 @@ var _ = Context("Inside the default namespace", func() {
 								Containers: []corev1.Container{
 									{
 										Name:    "ray-worker",
-										Image:   "rayproject/ray:2.2.0",
+										Image:   "rayproject/ray:2.3.0",
 										Command: []string{"echo"},
 										Args:    []string{"Hello Ray"},
 										Env: []corev1.EnvVar{
diff --git a/tests/compatibility-test.py b/tests/compatibility-test.py
index 8cd7d2772f1..ef00f01582d 100755
--- a/tests/compatibility-test.py
+++ b/tests/compatibility-test.py
@@ -31,10 +31,10 @@
 )
 
 # Default Ray version
-ray_version = '2.2.0'
+ray_version = '2.3.0'
 
 # Default docker images
-ray_image = 'rayproject/ray:2.2.0'
+ray_image = 'rayproject/ray:2.3.0'
 kuberay_operator_image = 'kuberay/operator:nightly'
 
 
diff --git a/tests/test_sample_raycluster_yamls.py b/tests/test_sample_raycluster_yamls.py
index ff2fcf2a033..4799c249536 100644
--- a/tests/test_sample_raycluster_yamls.py
+++ b/tests/test_sample_raycluster_yamls.py
@@ -68,7 +68,7 @@
 
     rs = RuleSet([HeadPodNameRule(), EasyJobRule(), HeadSvcRule()])
     image_dict = {
-        CONST.RAY_IMAGE_KEY: os.getenv('RAY_IMAGE', default='rayproject/ray:2.2.0'),
+        CONST.RAY_IMAGE_KEY: os.getenv('RAY_IMAGE', default='rayproject/ray:2.3.0'),
         CONST.OPERATOR_IMAGE_KEY: os.getenv('OPERATOR_IMAGE', default='kuberay/operator:nightly'),
     }
     logger.info(image_dict)
diff --git a/tests/test_sample_rayservice_yamls.py b/tests/test_sample_rayservice_yamls.py
index 589f5d267c5..2c82d8ead0c 100644
--- a/tests/test_sample_rayservice_yamls.py
+++ b/tests/test_sample_rayservice_yamls.py
@@ -34,7 +34,7 @@
 
     rs = RuleSet([EasyJobRule(), CurlServiceRule()])
     image_dict = {
-        CONST.RAY_IMAGE_KEY: os.getenv('RAY_IMAGE', default='rayproject/ray:2.2.0'),
+        CONST.RAY_IMAGE_KEY: os.getenv('RAY_IMAGE', default='rayproject/ray:2.3.0'),
         CONST.OPERATOR_IMAGE_KEY: os.getenv('OPERATOR_IMAGE', default='kuberay/operator:nightly'),
     }
     logger.info(image_dict)
diff --git a/tests/test_security.py b/tests/test_security.py
index cead4dbbbcd..46d4862140d 100644
--- a/tests/test_security.py
+++ b/tests/test_security.py
@@ -55,7 +55,7 @@ def setUpClass(cls):
                              {PodSecurityTestCase.namespace}.kubernetes.io/enforce-version=latest")
         # Install the KubeRay operator in the namespace pod-security.
         image_dict = {
-            CONST.RAY_IMAGE_KEY: 'rayproject/ray-ml:2.2.0',
+            CONST.RAY_IMAGE_KEY: 'rayproject/ray-ml:2.3.0',
             CONST.OPERATOR_IMAGE_KEY: os.getenv('OPERATOR_IMAGE','kuberay/operator:nightly'),
         }
         logger.info(image_dict)