diff --git a/.make/release/update-versions.php b/.make/release/update-versions.php
new file mode 100644
index 000000000..0f1dcd24e
--- /dev/null
+++ b/.make/release/update-versions.php
@@ -0,0 +1,47 @@
+<?php
+
+/*******************************************************************************
+ * Tool to automate version update before release
+ *
+ * Will update version in the following files :
+ *
+ * * datamodels/2.x/.../module.*.php
+ * * datamodels/2.x/version.xml
+ * * css/css-variables.scss $version
+ *
+ * Usage :
+ * `php .make\release\update-versions.php "2.7.0-rc"`
+ *
+ * @since 2.7.0
+ ******************************************************************************/
+
+
+
+require_once (__DIR__.'/../../approot.inc.php');
+require_once (__DIR__.DIRECTORY_SEPARATOR.'update.classes.inc.php');
+
+
+
+/** @var \FileVersionUpdater[] $aFilesUpdaters */
+$aFilesUpdaters = array(
+	new iTopVersionFileUpdater(),
+	new CssVariablesFileUpdater(),
+	new DatamodelsModulesFiles(),
+);
+
+if (count($argv) === 1)
+{
+	echo '/!\ You must pass the new version as parameter';
+	exit(1);
+}
+$sVersionLabel = $argv[1];
+if (empty($sVersionLabel))
+{
+	echo 'Version passed as parameter is empty !';
+	exit(2);
+}
+
+foreach ($aFilesUpdaters as $oFileVersionUpdater)
+{
+	$oFileVersionUpdater->UpdateAllFiles($sVersionLabel);
+}
diff --git a/.make/release/update-xml.php b/.make/release/update-xml.php
new file mode 100644
index 000000000..9bb042a36
--- /dev/null
+++ b/.make/release/update-xml.php
@@ -0,0 +1,36 @@
+<?php
+
+/*******************************************************************************
+ * Tool to automate datamodel version update in XML
+ *
+ * Will update version in the following files :
+ *
+ * datamodels/2.x/.../datamodel.*.xml
+ *
+ * Usage :
+ * `php .make\release\update-xml.php "1.7"`
+ *
+ * @since 2.7.0
+ ******************************************************************************/
+
+
+
+require_once (__DIR__.'/../../approot.inc.php');
+require_once (__DIR__.DIRECTORY_SEPARATOR.'update.classes.inc.php');
+
+
+
+if (count($argv) === 1)
+{
+	echo '/!\ You must pass the new version as parameter';
+	exit(1);
+}
+$sVersionLabel = $argv[1];
+if (empty($sVersionLabel))
+{
+	echo 'Version passed as parameter is empty !';
+	exit(2);
+}
+
+$oFileVersionUpdater = new DatamodelsXmlFiles();
+$oFileVersionUpdater->UpdateAllFiles($sVersionLabel);
diff --git a/.make/release/update.classes.inc.php b/.make/release/update.classes.inc.php
new file mode 100644
index 000000000..6e20ee0d7
--- /dev/null
+++ b/.make/release/update.classes.inc.php
@@ -0,0 +1,169 @@
+<?php
+
+/*******************************************************************************
+ * Classes for updater tools
+ *
+ * @see update-versions.php
+ * @see update-xml.php
+ ******************************************************************************/
+
+
+
+require_once (__DIR__.'/../../approot.inc.php');
+
+
+
+
+abstract class FileVersionUpdater
+{
+	/**
+	 * @return string[] full path of files to modify
+	 */
+	abstract public function GetFiles();
+
+	/**
+	 * Warnign : will consume lots of memory on larger files !
+	 *
+	 * @param string $sVersionLabel
+	 * @param string $sFileContent
+	 * @param string $sFileFullPath
+	 *
+	 * @return string file content with replaced values
+	 */
+	abstract public function UpdateFileContent($sVersionLabel, $sFileContent, $sFileFullPath);
+
+	public function UpdateAllFiles($sVersionLabel)
+	{
+		$aFilesToUpdate = $this->GetFiles();
+		$sFileUpdaterName = get_class($this);
+		echo "# Updater : $sFileUpdaterName\n";
+		foreach ($aFilesToUpdate as $sFileToUpdateFullPath)
+		{
+			try
+			{
+				$sCurrentFileContent = file_get_contents($sFileToUpdateFullPath);
+				$sNewFileContent = $this->UpdateFileContent($sVersionLabel, $sCurrentFileContent, $sFileToUpdateFullPath);
+				file_put_contents($sFileToUpdateFullPath, $sNewFileContent);
+				echo "   - $sFileToUpdateFullPath : OK !\n";
+			}
+			catch (Exception $e)
+			{
+				echo "   - $sFileToUpdateFullPath : Error :(\n";
+			}
+		}
+	}
+}
+
+abstract class AbstractSingleFileVersionUpdater extends FileVersionUpdater
+{
+	private $sFileToUpdate;
+
+	public function __construct($sFileToUpdate)
+	{
+		$this->sFileToUpdate = $sFileToUpdate;
+	}
+
+	public function GetFiles()
+	{
+		return array(APPROOT.$this->sFileToUpdate);
+	}
+}
+
+class iTopVersionFileUpdater extends AbstractSingleFileVersionUpdater
+{
+	public function __construct()
+	{
+		parent::__construct('datamodels/2.x/version.xml');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function UpdateFileContent($sVersionLabel, $sFileContent, $sFileFullPath)
+	{
+		return preg_replace(
+			'/(<version>)[^<]*(<\/version>)/',
+			'${1}'.$sVersionLabel.'${2}',
+			$sFileContent
+		);
+	}
+}
+
+class CssVariablesFileUpdater extends AbstractSingleFileVersionUpdater
+{
+	public function __construct()
+	{
+		parent::__construct('css/css-variables.scss');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function UpdateFileContent($sVersionLabel, $sFileContent, $sFileFullPath)
+	{
+		return preg_replace(
+			'/(\$version: "v)[^"]*(";)/',
+			'${1}'.$sVersionLabel.'${2}',
+			$sFileContent
+		);
+	}
+}
+
+abstract class AbstractGlobFileVersionUpdater extends FileVersionUpdater
+{
+	protected $sGlobPattern;
+
+	public function __construct($sGlobPattern)
+	{
+		$this->sGlobPattern = $sGlobPattern;
+	}
+
+	public function GetFiles()
+	{
+		return glob($this->sGlobPattern);
+	}
+}
+
+class DatamodelsModulesFiles extends AbstractGlobFileVersionUpdater
+{
+	public function __construct()
+	{
+		parent::__construct(APPROOT.'datamodels/2.x/*/module.*.php');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function UpdateFileContent($sVersionLabel, $sFileContent, $sFileFullPath)
+	{
+		$sModulePath = realpath($sFileFullPath);
+		$sModuleFileName = basename($sModulePath, 1);
+		$sModuleName = preg_replace('/[^.]+\.([^.]+)\.php/', '$1', $sModuleFileName);
+
+		return preg_replace(
+			"/('$sModuleName\/)[^']+(')/",
+			'${1}'.$sVersionLabel.'${2}',
+			$sFileContent
+		);
+	}
+}
+
+class DatamodelsXmlFiles extends AbstractGlobFileVersionUpdater
+{
+	public function __construct()
+	{
+		parent::__construct(APPROOT.'datamodels/2.x/*/datamodel.*.xml');
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function UpdateFileContent($sVersionLabel, $sFileContent, $sFileFullPath)
+	{
+		return preg_replace(
+			'/(<itop_design .* version=")[^"]+(">)/',
+			'${1}'.$sVersionLabel.'${2}',
+			$sFileContent
+		);
+	}
+}