diff --git a/packages/@o3r/dev-tools/migration.json b/packages/@o3r/dev-tools/migration.json
new file mode 100644
index 0000000000..32b09c1cbc
--- /dev/null
+++ b/packages/@o3r/dev-tools/migration.json
@@ -0,0 +1,10 @@
+{
+  "$schema": "https://raw.githubusercontent.com/angular/angular-cli/master/packages/angular_devkit/schematics/collection-schema.json",
+  "schematics": {
+    "ng-update": {
+      "version": "10.0.0-alpha.0",
+      "description": "Updates of the Otter DevTools module to v10.0.x",
+      "factory": "./schematics/ng-update/index#ngUpdate"
+    }
+  }
+}
diff --git a/packages/@o3r/dev-tools/package.json b/packages/@o3r/dev-tools/package.json
index 0ae5cd3b38..88aec1d244 100644
--- a/packages/@o3r/dev-tools/package.json
+++ b/packages/@o3r/dev-tools/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@o3r/dev-tools",
   "version": "0.0.0-placeholder",
+  "deprecated": "@o3r/dev-tools package is deprecated and will no longer be updated as of v12",
   "description": "Various CLI scripts to help your CI/CD process and your dependency management",
   "main": "./dist/src/public_api.js",
   "typings": "./dist/src/public_api.d.ts",
@@ -92,5 +93,8 @@
   "engines": {
     "node": ">=18.0.0"
   },
-  "schematics": "./collection.json"
+  "schematics": "./collection.json",
+  "ng-update": {
+    "migrations": "./migration.json"
+  }
 }
diff --git a/packages/@o3r/dev-tools/schematics/ng-add/index.ts b/packages/@o3r/dev-tools/schematics/ng-add/index.ts
index 4a98b14328..73061ab0ab 100644
--- a/packages/@o3r/dev-tools/schematics/ng-add/index.ts
+++ b/packages/@o3r/dev-tools/schematics/ng-add/index.ts
@@ -1,12 +1,11 @@
-import { noop } from '@angular-devkit/schematics';
-import type { Rule } from '@angular-devkit/schematics';
+import type { Rule, SchematicContext, Tree } from '@angular-devkit/schematics';
 
 /**
  * Add Otter dev-tools to an Angular Project
- *
- * @param options
  */
 export function ngAdd(): Rule {
-  /* ng add rules */
-  return noop();
+  return (tree: Tree, context: SchematicContext) => {
+    context.logger.warn('This package is deprecated and will no longer be updated as of v12.');
+    return tree;
+  };
 }
diff --git a/packages/@o3r/dev-tools/schematics/ng-update/index.ts b/packages/@o3r/dev-tools/schematics/ng-update/index.ts
new file mode 100644
index 0000000000..6a5695fda6
--- /dev/null
+++ b/packages/@o3r/dev-tools/schematics/ng-update/index.ts
@@ -0,0 +1,11 @@
+import type { Rule, SchematicContext, Tree } from '@angular-devkit/schematics';
+
+/**
+ * Update Otter dev-tools in an Angular Project
+ */
+export function ngUpdate(): Rule {
+  return (tree: Tree, context: SchematicContext) => {
+    context.logger.warn('This package is deprecated and will no longer be updated as of v12.');
+    return tree;
+  };
+}
diff --git a/packages/@o3r/dev-tools/src/cli/git-release-management.ts b/packages/@o3r/dev-tools/src/cli/git-release-management.ts
index 76eed5f67c..16e553ae18 100644
--- a/packages/@o3r/dev-tools/src/cli/git-release-management.ts
+++ b/packages/@o3r/dev-tools/src/cli/git-release-management.ts
@@ -32,12 +32,13 @@ const logger = winston.createLogger({
   transports: new winston.transports.Console()
 });
 
+logger.warn('This script is deprecated, will be removed in Otter v12.');
+
 /**
  * Performs the operations needed for the release candidate step
  * @param  {object} version
  */
 async function createRcRelease(version: SemVer) {
-  logger.warn('This script is deprecated, will be removed in Otter v12.');
   logger.info(`Initiating release candidate process for ${version.format()}`);
   await checkoutCurrentAlphaOrNextBranch(version, logger);
   await createRcBranch(version, logger);