diff --git a/.github/workflows/publish-helm.yaml b/.github/workflows/publish-helm.yaml
index de19d9c7..57244dbb 100644
--- a/.github/workflows/publish-helm.yaml
+++ b/.github/workflows/publish-helm.yaml
@@ -5,7 +5,7 @@ on:
     types: [published]
 
 permissions:
-  contents: read
+  contents: write
 
 jobs:
   package:
diff --git a/.github/workflows/update-component-versions.yaml b/.github/workflows/update-component-versions.yaml
index e6d9224d..54ead635 100644
--- a/.github/workflows/update-component-versions.yaml
+++ b/.github/workflows/update-component-versions.yaml
@@ -60,7 +60,7 @@ jobs:
         shell: bash
         run: |
           sed -i "s/${OLDNUM}/${NEWNUM}/g" docs/deployment/cloud.rst
-          sed -i "s/${OLDNUM}-py310/${NEWNUM}-py310/g" docs/deployment/deploying_custom_image_function.rst
+          sed -i "s/${OLDNUM}-py310/${NEWNUM}/g" docs/deployment/deploying_custom_image_function.rst
       - name: Create PR
         id: cpr
         uses: peter-evans/create-pull-request@cd5c7e4b8bff84befe9c12e7cffbecfda02c7ce9 #6.1.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a44e8d56..df30b217 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -217,7 +217,7 @@ git rebase main issue-1234-new-feature
 ### Adding tests
 
 Our team upholds the philosophy that a healthy codebase will include the proper amount of testing.
-From the project you are working on, you can run tests with `tox -epy310`.
+From the project you are working on, you can run tests with `tox -epy311`.
 Note if you run this command from qiskit-serverless top directory, it will build the project documentation.
 For detailed testing guidelines using tox environments, please refer to [this documentation](./client/tests/README.md).
 
diff --git a/charts/qiskit-serverless/Chart.lock b/charts/qiskit-serverless/Chart.lock
index bfc617f1..17ec6735 100644
--- a/charts/qiskit-serverless/Chart.lock
+++ b/charts/qiskit-serverless/Chart.lock
@@ -1,7 +1,7 @@
 dependencies:
 - name: gateway
   repository: ""
-  version: 0.14.2
+  version: 0.15.0
 - name: nginx-ingress-controller
   repository: https://charts.bitnami.com/bitnami
   version: 9.11.0
@@ -11,5 +11,5 @@ dependencies:
 - name: kuberay-operator
   repository: https://ray-project.github.io/kuberay-helm
   version: 1.1.1
-digest: sha256:31e0c7ee15c26725bd1b559f24fa30fbdab506de77afc0311c6657ddf890ed2c
-generated: "2024-08-01T16:29:27.215746-04:00"
+digest: sha256:ae36b6484ca8d81355ba63f079abad6f1c9e0677be890d63e3c47ca3ccbe73b8
+generated: "2024-08-06T22:24:25.007524029Z"
diff --git a/charts/qiskit-serverless/Chart.yaml b/charts/qiskit-serverless/Chart.yaml
index bf35ee88..75b588a3 100644
--- a/charts/qiskit-serverless/Chart.yaml
+++ b/charts/qiskit-serverless/Chart.yaml
@@ -4,13 +4,13 @@ description: Qiskit-Serverless helm chart that contains different dependencies.
 
 type: application
 
-version: 0.14.2
-appVersion: "0.14.2"
+version: 0.15.0
+appVersion: "0.15.0"
 
 dependencies:
   - name: gateway
     condition: gatewayEnable
-    version: 0.14.2
+    version: 0.15.0
   - name: nginx-ingress-controller
     condition: nginxIngressControllerEnable
     version: 9.11.0
diff --git a/charts/qiskit-serverless/charts/gateway/Chart.yaml b/charts/qiskit-serverless/charts/gateway/Chart.yaml
index cdd35740..e5c2ce35 100644
--- a/charts/qiskit-serverless/charts/gateway/Chart.yaml
+++ b/charts/qiskit-serverless/charts/gateway/Chart.yaml
@@ -15,10 +15,10 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.14.2
+version: 0.15.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "0.14.2"
+appVersion: "0.15.0"
diff --git a/charts/qiskit-serverless/charts/gateway/values.yaml b/charts/qiskit-serverless/charts/gateway/values.yaml
index 4af21683..757ed72e 100644
--- a/charts/qiskit-serverless/charts/gateway/values.yaml
+++ b/charts/qiskit-serverless/charts/gateway/values.yaml
@@ -18,7 +18,7 @@ application:
   superuser:
     enable: true
   ray:
-    nodeImage: "icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2"
+    nodeImage: "icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0"
     cpu: 2
     memory: 2
     replicas: 1
@@ -26,7 +26,7 @@ application:
     maxReplicas: 4
     opensslImage: registry.access.redhat.com/ubi8/openssl:8.8-9
     kubectlImage: alpine/k8s:1.29.2@sha256:a51aa37f0a34ff827c7f2f9cb7f6fbb8f0e290fa625341be14c2fcc4b1880f60
-    proxyImage: "icr.io/quantum-public/qiskit-serverless/proxy:0.14.2"
+    proxyImage: "icr.io/quantum-public/qiskit-serverless/proxy:0.15.0"
     scrapeWithPrometheus: true
     openTelemetry: false
     openTelemetryCollector:
diff --git a/charts/qiskit-serverless/values.yaml b/charts/qiskit-serverless/values.yaml
index 26c3a9a0..e624403e 100644
--- a/charts/qiskit-serverless/values.yaml
+++ b/charts/qiskit-serverless/values.yaml
@@ -2,7 +2,7 @@
 # Qiskit Serverless Info
 # ===================
 global:
-  version: 0.14.2
+  version: 0.15.0
 
 # ===================
 # Qiskit Serverless configs
@@ -47,7 +47,7 @@ gateway:
   image:
     repository: "icr.io/quantum-public/qiskit-serverless/gateway"
     pullPolicy: IfNotPresent
-    tag: "0.14.2"
+    tag: "0.15.0"
   application:
     siteHost: "http://gateway:8000"
     rayHost: "http://kuberay-head-svc:8265"
@@ -59,7 +59,7 @@ gateway:
       type: ClusterIP
       port: 8000
     ray:
-      nodeImage: "icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2"
+      nodeImage: "icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0"
       opensslImage: registry.access.redhat.com/ubi8/openssl:8.8-9
       kubectlImage: alpine/k8s:1.29.2@sha256:a51aa37f0a34ff827c7f2f9cb7f6fbb8f0e290fa625341be14c2fcc4b1880f60
     limits:
diff --git a/client/qiskit_serverless/VERSION.txt b/client/qiskit_serverless/VERSION.txt
index 1c16bd1a..7092c7c4 100644
--- a/client/qiskit_serverless/VERSION.txt
+++ b/client/qiskit_serverless/VERSION.txt
@@ -1 +1 @@
-0.14.2
\ No newline at end of file
+0.15.0
\ No newline at end of file
diff --git a/client/tests/README.md b/client/tests/README.md
index 0e8e0ea2..a29f82f1 100644
--- a/client/tests/README.md
+++ b/client/tests/README.md
@@ -39,7 +39,7 @@ The command `tox -eblack` will reformat all files in the repository according to
 The `py##` environments are the main test environments.  tox defines one for each version of Python.  For instance, the following command will run the tests on Python 3.9 and Python 3.10:
 
 ```sh
-$ tox -epy39,py310
+$ tox -epy311
 ```
 
 First, these environments execute all tests using [pytest], which supports its own simple style of tests, in addition to [unittest]-style tests and [doctests] located throughout the project's docstrings.
diff --git a/client/tests/resources/test-compose.yaml b/client/tests/resources/test-compose.yaml
index 618f440d..9cbfac5b 100644
--- a/client/tests/resources/test-compose.yaml
+++ b/client/tests/resources/test-compose.yaml
@@ -1,7 +1,7 @@
 services:
   testrayhead:
     container_name: testrayhead
-    image: icr.io/quantum-public/qiskit-serverless/ray-node:latest-py310
+    image: icr.io/quantum-public/qiskit-serverless/ray-node:latest
     entrypoint: [
       "ray", "start", "--head", "--port=6379",
       "--dashboard-host=0.0.0.0", "--block"
diff --git a/docker-compose.yaml b/docker-compose.yaml
index de811b19..f03b9432 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -3,7 +3,7 @@ services:
   ray-head:
     user: "0"
     container_name: ray-head
-    image: icr.io/quantum-public/qiskit-serverless/ray-node:${VERSION:-0.14.2}-py310
+    image: icr.io/quantum-public/qiskit-serverless/ray-node:${VERSION:-0.15.0}
     entrypoint: [
       "ray", "start", "--head", "--port=6379",
       "--dashboard-host=0.0.0.0", "--block"
@@ -28,7 +28,7 @@ services:
       always
   gateway:
     container_name: gateway
-    image: icr.io/quantum-public/qiskit-serverless/gateway:${VERSION:-0.14.2}
+    image: icr.io/quantum-public/qiskit-serverless/gateway:${VERSION:-0.15.0}
     command: gunicorn main.wsgi:application --bind 0.0.0.0:8000 --workers=4
     ports:
       - 8000:8000
@@ -53,7 +53,7 @@ services:
       - postgres
   scheduler:
     container_name: scheduler
-    image: icr.io/quantum-public/qiskit-serverless/gateway:${VERSION:-0.14.2}
+    image: icr.io/quantum-public/qiskit-serverless/gateway:${VERSION:-0.15.0}
     entrypoint: "./scripts/scheduler.sh"
     environment:
       - DEBUG=0
diff --git a/docs/deployment/cloud.rst b/docs/deployment/cloud.rst
index d6063818..65dbb883 100644
--- a/docs/deployment/cloud.rst
+++ b/docs/deployment/cloud.rst
@@ -84,7 +84,7 @@ Once your cluster is ready, the installation is relatively straightforward with
 and run the next commands:
 
 .. code-block::
-   :caption: run this commands with the release version like 0.14.2 in x.y.z (2 places)
+   :caption: run this commands with the release version like 0.15.0 in x.y.z (2 places)
 
         $ helm -n <INSERT_YOUR_NAMESPACE> install qiskit-serverless --create-namespace https://github.com/Qiskit/qiskit-serverless/releases/download/vx.y.z/qiskit-serverless-x.y.z.tgz
 
@@ -119,6 +119,6 @@ with the configuration of your domain and provider.
 Optionally, you can install an observability package to handle logging and monitoring on your cluster by running the following command:
 
 .. code-block::
-   :caption: run this commands with the release version like 0.14.2 in x.y.z (2 places) using the same namespace as in the previous helm command
+   :caption: run this commands with the release version like 0.15.0 in x.y.z (2 places) using the same namespace as in the previous helm command
 
         $ helm -n <INSERT_YOUR_NAMESPACE> install qs-observability  https://github.com/Qiskit/qiskit-serverless/releases/download/vx.y.z/qs-observability-x.y.z.tgz
diff --git a/docs/deployment/custom_function/Sample-Dockerfile b/docs/deployment/custom_function/Sample-Dockerfile
index 01c41163..437adcd6 100644
--- a/docs/deployment/custom_function/Sample-Dockerfile
+++ b/docs/deployment/custom_function/Sample-Dockerfile
@@ -1,4 +1,4 @@
-FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2-py310@sha256:e012a6f7159b2660dd87af15bf85029fe62bec22e6bef7d99e54ca0cfa4f3aa6
+FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0
 
 # install all necessary dependencies for your custom image
 
diff --git a/docs/deployment/deploying_custom_image_function.rst b/docs/deployment/deploying_custom_image_function.rst
index e710c6be..30812c7c 100644
--- a/docs/deployment/deploying_custom_image_function.rst
+++ b/docs/deployment/deploying_custom_image_function.rst
@@ -50,7 +50,7 @@ In our simple case it will look something like this:
 .. code-block::
    :caption: Dockerfile for custom image function.
 
-    FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2-py310
+    FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0
 
     # install all necessary dependencies for your custom image
 
diff --git a/docs/deployment/example_custom_image_function.rst b/docs/deployment/example_custom_image_function.rst
index 67b8ef0c..2fac0dd2 100644
--- a/docs/deployment/example_custom_image_function.rst
+++ b/docs/deployment/example_custom_image_function.rst
@@ -49,7 +49,7 @@ Dockerfile
 .. code-block::
    :caption: Dockerfile
 
-   FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2-py310
+   FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0
 
    # install all necessary dependencies for your custom image
 
diff --git a/gateway/main/settings.py b/gateway/main/settings.py
index c5a8f980..65010fd4 100644
--- a/gateway/main/settings.py
+++ b/gateway/main/settings.py
@@ -320,7 +320,7 @@ RAY_CLUSTER_MODE = {
     ),
 }
 RAY_NODE_IMAGE = os.environ.get(
-    "RAY_NODE_IMAGE", "icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2"
+    "RAY_NODE_IMAGE", "icr.io/quantum-public/qiskit-serverless/ray-node:0.15.0"
 )
 RAY_CLUSTER_WORKER_REPLICAS = int(os.environ.get("RAY_CLUSTER_WORKER_REPLICAS", "1"))
 RAY_CLUSTER_WORKER_REPLICAS_MAX = int(
diff --git a/proxy/tox.ini b/proxy/tox.ini
index 9da147a0..5a1ed1aa 100644
--- a/proxy/tox.ini
+++ b/proxy/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.1
-envlist = py39, py310, lint, coverage
+envlist = py311, lint, coverage
 # CI: skip-next-line
 skipsdist = true
 # CI: skip-next-line
diff --git a/tests/basic/function/Sample-Docker b/tests/basic/function/Sample-Docker
index cd438109..f3d80c4e 100644
--- a/tests/basic/function/Sample-Docker
+++ b/tests/basic/function/Sample-Docker
@@ -1,4 +1,4 @@
-FROM icr.io/quantum-public/qiskit-serverless/ray-node:0.14.2-py310
+FROM icr.io/quantum-public/qiskit-serverless/ray-node:latest
 
 # install all necessary dependencies for your custom image