diff --git a/Makefile b/Makefile
index 2c1bea81eef8..24ba7190c0ef 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-MAJOR_VERSION = 2.9
-DEMO_BRANCH ?= prod-2-9
+MAJOR_VERSION = 2.10
+DEMO_BRANCH ?= prod-2-10
 
 ANGULAR_VERSION := $(shell buildtools/get-version angular)
 
diff --git a/SECURITY.md b/SECURITY.md
index 14a9074a1d67..ea7cb777376b 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -7,3 +7,4 @@
 | <= 2.6  | Unsupported     |
 | 2.7     | 23/06/2026      |
 | 2.8     | 27/06/2027      |
+| 2.9     | To be defined   |
diff --git a/docs/developer-guide.md b/docs/developer-guide.md
index 2baa34167a69..550dc4f5b725 100644
--- a/docs/developer-guide.md
+++ b/docs/developer-guide.md
@@ -149,6 +149,8 @@ Update the `.github/workflows/main.yaml`:
 +      MAIN_BRANCH: 'x.y'
 ```
 
+In the GitHub project settings deactivate the 'Status' Rule.
+
 Commit and push the changes:
 
 ```bash
@@ -157,6 +159,8 @@ git commit -m "Update the branch"
 git push origin x.y
 ```
 
+In the GitHub project settings reactivate the 'Status' Rule.
+
 Back on master:
 
 ```bash
@@ -194,22 +198,30 @@ Update the `SECURITY.md`:
 Note: when you do the release you should define date or the version x.y to
 now + 18 months for a standard release, and now + 36 months for an LTS release.
 
-Update the `.github/workflows/audit.yaml`, in the branch matrix:
+Create the label `backport x.y`.
 
-```diff
-+          - 'x.y+1'
-```
+Commit and push the changes:
 
-Create the label `backport x.y`.
+```bash
+NEXT_VERSION=x.y+1
+git add package.json Makefile SECURITY.md
+git checkout -b "start-${NEXT_VERSION}"
+git commit -m "Start the version ${NEXT_VERSION}"
+git push origin "start-${NEXT_VERSION}"
+```
 
-Protect the branch x.y.
+Create a pull request from the new branch.
 
-Commit and push the changes:
+Login to transifex:
 
 ```bash
-git add package.json Makefile SECURITY.md .github/workflows/audit.yaml
-git commit -m "Start the version x.y+1"
-git push origin master
+echo "[https://www.transifex.com]" > ~/.transifexrc
+echo "api_hostname  = https://api.transifex.com" >> ~/.transifexrc
+echo "rest_hostname = https://rest.api.transifex.com" >> ~/.transifexrc
+echo "hostname = https://www.transifex.com" >> ~/.transifexrc
+echo "username = $(gopass show gs/ci/transifex/rw/username)" >> ~/.transifexrc
+echo "password = $(gopass show gs/ci/transifex/rw/password)" >> ~/.transifexrc
+echo "token = $(gopass show gs/ci/transifex/rw/token)" >> ~/.transifexrc
 ```
 
 Create the new localization resource:
diff --git a/package-lock.json b/package-lock.json
index 53317c5d5f33..d7856c145959 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ngeo",
-  "version": "2.9.0",
+  "version": "2.10.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ngeo",
-      "version": "2.9.0",
+      "version": "2.10.0",
       "license": "MIT",
       "dependencies": {
         "@fortawesome/fontawesome-free": "6.6.0",
diff --git a/package.json b/package.json
index 4d529b5d7101..d03d22f3e4a0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ngeo",
-  "version": "2.9.0",
+  "version": "2.10.0",
   "description": "AngularJS OpenLayers Library",
   "scripts": {
     "build-dll": "webpack --config=buildtools/webpack.config.dll.js --mode=production",