diff --git a/messages/en-US/msgs.json b/messages/en-US/msgs.json
index a1a79ae..df4060a 100644
--- a/messages/en-US/msgs.json
+++ b/messages/en-US/msgs.json
@@ -15,6 +15,7 @@
     "group id not found": "Group with such ID not found!",
     "group not an owner": "You are not an owner of this group!",
     "group not a member": "You are not a member of this group!",
+    "name not specified": "New name of a group is not specified!",
     "abstract product not found": "Such abstract product is not found!",
     "abstract product invalid syntax": "Invalid syntax in one of user's parameters!",
     "barcode not found": "Such barcode not found!",
diff --git a/messages/ru-RU/msgs.json b/messages/ru-RU/msgs.json
index 28ba16f..371d466 100644
--- a/messages/ru-RU/msgs.json
+++ b/messages/ru-RU/msgs.json
@@ -15,6 +15,7 @@
     "group id not found": "Группы с таким ID не существует!",
     "group not an owner": "Вы не владелец этой группы!",
     "group not a member": "Вы не участник этой группы!",
+    "name not specified": "Не указано новое имя группы!",
     "abstract product not found": "Такой абстрактный продукт не найден!",
     "abstract product invalid syntax": "Неправильный синткасис в одном из параметров абстрактного продукта!",
     "barcode not found": "Такой штрихкод не найден!",
diff --git a/src/controllers/group.js b/src/controllers/group.js
index c0d2b45..5d14179 100644
--- a/src/controllers/group.js
+++ b/src/controllers/group.js
@@ -5,6 +5,7 @@ import config from '../../config.json' with {type: "json"};
 import log from '../utils/log.js';
 import translate from '../utils/translate.js';
 import responseCodes from '../response/responseCodes.js';
+import customError from '../response/customError.js';
 
 const TAG = "/controllers/group.js";
 
@@ -75,6 +76,17 @@ class GroupController {
 
         return res.status(200).send(result.toString())
     }
+
+    async rename(req, res) {
+        const groupId = req.params.groupId;
+        const name = req.body.name;
+
+        if (!name) throw new customError(`New group name is not specified`, responseCodes.responses.groups.name_not_specified);
+
+        await GroupService.rename(groupId, name);
+
+        return res.status(200).send(translate(req.headers["accept-language"], responseCodes.responses.general.ok));
+    }
 }
 
 export default new GroupController();
diff --git a/src/response/responseCodes.js b/src/response/responseCodes.js
index 2f8e530..d2f8258 100644
--- a/src/response/responseCodes.js
+++ b/src/response/responseCodes.js
@@ -23,7 +23,8 @@ const responses = {
         name_not_found: "group name not found",
         id_not_found: "group id not found",
         not_an_owner: "group not an owner",
-        not_a_member: "group not a member"
+        not_a_member: "group not a member",
+        name_not_specified: "name not specified"
     },
     abstractproducts: {
         not_found: "abstract product not found",
@@ -141,6 +142,8 @@ const getHTTPCode = (type) => {
             return 403
         case responses.groups.not_a_member:
             return 403
+        case responses.groups.name_not_specified:
+            return 400
 
         case responses.abstractproducts.not_found:
             return 404
diff --git a/src/routers/group.js b/src/routers/group.js
index 9fb0150..3074df7 100644
--- a/src/routers/group.js
+++ b/src/routers/group.js
@@ -13,5 +13,6 @@ GroupRouter.get('/byName/:groupName', tryHandler(auth.authenticate), tryHandler(
 GroupRouter.get('/byId/:groupId', tryHandler(auth.authenticate), tryHandler(existance.groupExists), tryHandler(auth.userIsInGroup), tryHandler(GroupController.getById))
 GroupRouter.get('/getUsers/:groupId', tryHandler(auth.authenticate), tryHandler(existance.groupExists), tryHandler(auth.userIsInGroup), tryHandler(GroupController.getUsersInGroup))
 GroupRouter.get('/adminId/:groupId', tryHandler(auth.authenticate), tryHandler(existance.groupExists), tryHandler(auth.userIsInGroup), tryHandler(GroupController.getAdminId))
+GroupRouter.post('/rename/:groupId', tryHandler(auth.authenticate), tryHandler(existance.groupExists), tryHandler(auth.authorizeGroupOwner), tryHandler(GroupController.rename));
 
 export default GroupRouter;
\ No newline at end of file
diff --git a/src/services/group.js b/src/services/group.js
index 3a4536d..27d79f8 100644
--- a/src/services/group.js
+++ b/src/services/group.js
@@ -37,6 +37,10 @@ class GroupService {
     async getUsersInGroup(groupId) {
         return (await db.query("SELECT id FROM users WHERE $1 = ANY(groups)", [groupId])).rows.map((group) => group.id)
     }
+
+    async rename(groupId, newName) {
+        await db.query("UPDATE groups SET name = $1 WHERE id = $2", [newName, groupId]).catch((e) => errorHandler(e, "groups"));;
+    }
 };
 
 export default new GroupService();
\ No newline at end of file