diff --git a/.github/workflows/pull_request.workflow.yml b/.github/workflows/pull_request.workflow.yml
index a3530b9f..4a54906f 100644
--- a/.github/workflows/pull_request.workflow.yml
+++ b/.github/workflows/pull_request.workflow.yml
@@ -5,7 +5,7 @@ on: [pull_request]
 jobs:
   lint:
     name: Lint
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         node-version: ["18", "20"]
@@ -21,7 +21,7 @@ jobs:
 
   unit-tests:
     name: Unit Tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     needs: [lint]
     strategy:
       matrix:
@@ -36,7 +36,7 @@ jobs:
 
   functional-tests:
     name: Functional Tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     needs: [unit-tests]
     strategy:
       matrix:
@@ -54,7 +54,7 @@ jobs:
   documentation-snippet-tests:
     name: Documentation Snippet Tests
     needs: [unit-tests]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
diff --git a/.github/workflows/push_branches.workflow.yaml b/.github/workflows/push_branches.workflow.yaml
index 921582f4..63540363 100644
--- a/.github/workflows/push_branches.workflow.yaml
+++ b/.github/workflows/push_branches.workflow.yaml
@@ -9,7 +9,7 @@ on:
 jobs:
   release:
     name: Release process
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     permissions:
       contents: write
       issues: write
@@ -40,7 +40,7 @@ jobs:
   documentation_deploy:
     needs: [release]
     name: Documentation - Deploy
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9aaab50f..462c572c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## [7.15.1-beta.1](https://github.com/kuzzleio/sdk-javascript/compare/v7.15.0...v7.15.1-beta.1) (2025-08-05)
+
+
+### Bug Fixes
+
+* **mResponse:** the mResponseErrors document contain body property instead of _source ([cb7f0b4](https://github.com/kuzzleio/sdk-javascript/commit/cb7f0b4de96cab2e3f0fdb4593d1d57577de4dcd))
+* **workflow:** upgrade to ubuntu 24.04 ([f52e71c](https://github.com/kuzzleio/sdk-javascript/commit/f52e71c9aab88787062bdc076c3914f2fff1765f))
+
 # [7.15.0](https://github.com/kuzzleio/sdk-javascript/compare/v7.14.0...v7.15.0) (2025-02-12)
 
 
diff --git a/package-lock.json b/package-lock.json
index 2bc2b9ec..ce767f1b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "kuzzle-sdk",
-  "version": "7.15.0",
+  "version": "7.15.1-beta.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "kuzzle-sdk",
-      "version": "7.15.0",
+      "version": "7.15.1-beta.1",
       "license": "Apache-2.0",
       "dependencies": {
         "min-req-promise": "^1.0.1",
diff --git a/package.json b/package.json
index 357e7b59..48f612c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "kuzzle-sdk",
-  "version": "7.15.0",
+  "version": "7.15.1-beta.1",
   "description": "Official Javascript SDK for Kuzzle",
   "author": "The Kuzzle Team <support@kuzzle.io>",
   "repository": {