diff --git a/lang/en.json b/lang/en.json
index e9deb820576947f9538012d474189355dbfebc3d..2d131d5ad5c050a6845823a34ceea056fbfc6fa3 100755
--- a/lang/en.json
+++ b/lang/en.json
@@ -188,6 +188,7 @@
 		"warnPrivateKey": "This cause security issues",
 		"ok": "Ok",
 		"groupAdded" : "Group added",
-		"groupdeleted" : "Group deleted"
+		"groupdeleted" : "Group deleted",
+		"groupUpdated" : "Group updated"
 	}
 }
diff --git a/lang/fr.json b/lang/fr.json
index 576517331e6fbac9e84d22dd348351e16553ae2a..38b1c5ee446251981c3840072c7715645532d092 100755
--- a/lang/fr.json
+++ b/lang/fr.json
@@ -190,7 +190,8 @@
 		"warnPrivateKey": "Cela compromet la sécurité de l'application.",
 		"ok": "J'ai compris",
 		"groupAdded" : "Groupe ajouté",
-		"groupdeleted" : "Groupe supprimé"
+		"groupdeleted" : "Groupe supprimé",
+		"groupUpdated" : "Groupe mis à jour"
 
 	}
 }
diff --git a/rest/index.php b/rest/index.php
index d0dab6fd5e708b4943241d6d1aa9dbf39fa7fabc..ea489dcf838c2d14b7b5fcd5ef0643bebf08bca7 100755
--- a/rest/index.php
+++ b/rest/index.php
@@ -85,6 +85,7 @@ $app->post('/groups', \Group\controllers\GroupController::class . ':create');
 $app->get('/groups', \Group\controllers\GroupController::class . ':get');
 $app->get('/groups/{id}', \Group\controllers\GroupController::class . ':getById');
 $app->delete('/groups/{id}', \Group\controllers\GroupController::class . ':delete');
+$app->put('/groups/{id}', \Group\controllers\GroupController::class . ':update');
 
 //Users
 $app->post('/users', \User\controllers\UserController::class . ':create');
diff --git a/src/app/group/controllers/GroupController.php b/src/app/group/controllers/GroupController.php
index b85811f519e204c6d15f489936162e702646930e..9028964efd29e85cc8abab2ce1c721ff95d325ef 100755
--- a/src/app/group/controllers/GroupController.php
+++ b/src/app/group/controllers/GroupController.php
@@ -63,6 +63,42 @@ class GroupController
         return $response->withJson(['id' => $id]);
     }
 
+    public function update(Request $request, Response $response, $aArgs)
+    {
+        if (!PrivilegeController::hasPrivilege(['userId' => $GLOBALS['id'], 'privilege' => 'manage_groups'])) {
+            return $response->withStatus(403)->withJson(['errors' => 'Privilege forbidden']);
+        }
+
+        $body = $request->getParsedBody();
+
+        $group = GroupModel::getById(['id' => $aArgs['id']]);
+        if (empty($group)) {
+            return $response->withStatus(400)->withJson(['errors' => 'Group not found']);
+        }
+
+        if (empty($body)) {
+            return $response->withStatus(400)->withJson(['errors' => 'Body is not set or empty']);
+        } elseif (!Validator::stringType()->notEmpty()->length(1, 128)->validate($body['label'])) {
+            return $response->withStatus(400)->withJson(['errors' => 'Body label is empty or not a string or longer than 128 caracteres']);
+        }
+
+        GroupModel::update([
+            'set' => ['label' => $body['label']],
+            'where' => ['id = ?'],
+            'data'  => [$aArgs['id']]
+        ]);
+
+        HistoryController::add([
+            'code'       => 'OK',
+            'objectType' => 'groups',
+            'objectId'   => $aArgs['id'],
+            'type'       => 'UPDATE',
+            'message'    => "{groupUpdated} : {$body['label']}"
+        ]);
+
+        return $response->withStatus(204);
+    }
+
     public function delete(Request $request, Response $response, $aArgs)
     {
         if (!PrivilegeController::hasPrivilege(['userId' => $GLOBALS['id'], 'privilege' => 'manage_groups'])) {
diff --git a/src/app/group/models/GroupModel.php b/src/app/group/models/GroupModel.php
index e979b2d1a734ac55935fff5788ea13e569682aa0..094c300a1de0a401010c119150cf4912adca95c5 100755
--- a/src/app/group/models/GroupModel.php
+++ b/src/app/group/models/GroupModel.php
@@ -72,6 +72,21 @@ class GroupModel
         return $nextSequenceId;
     }
 
+    public static function update(array $args)
+    {
+        ValidatorModel::notEmpty($args, ['set', 'where', 'data']);
+        ValidatorModel::arrayType($args, ['set', 'where', 'data']);
+
+        DatabaseModel::update([
+            'table' => 'groups',
+            'set'   => $args['set'],
+            'where' => $args['where'],
+            'data'  => $args['data']
+        ]);
+
+        return true;
+    }
+
     public static function delete(array $args)
     {
         ValidatorModel::notEmpty($args, ['where', 'data']);