diff --git a/package-lock.json b/package-lock.json
index 4de20bf..f187e83 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "schedule-parser-next",
-  "version": "1.3.5",
+  "version": "1.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "schedule-parser-next",
-      "version": "1.3.5",
+      "version": "1.4.0",
       "license": "UNLICENSED",
       "dependencies": {
         "@nestjs/cache-manager": "^2.2.2",
diff --git a/package.json b/package.json
index 7bd2e8e..e1f7866 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "schedule-parser-next",
-  "version": "1.3.5",
+  "version": "1.4.0",
   "description": "",
   "author": "N08I40K",
   "private": true,
diff --git a/src/auth-role/auth-role.decorator.ts b/src/auth-role/auth-role.decorator.ts
index d97157f..b9b535f 100644
--- a/src/auth-role/auth-role.decorator.ts
+++ b/src/auth-role/auth-role.decorator.ts
@@ -2,3 +2,4 @@ import { Reflector } from "@nestjs/core";
 import { UserRoleDto } from "../dto/user.dto";
 
 export const AuthRoles = Reflector.createDecorator<UserRoleDto[]>();
+export const AuthUnauthorized = Reflector.createDecorator<true>();
diff --git a/src/auth/auth.controller.ts b/src/auth/auth.controller.ts
index bce5781..505b542 100644
--- a/src/auth/auth.controller.ts
+++ b/src/auth/auth.controller.ts
@@ -26,10 +26,13 @@ import {
 	ChangePasswordReqDto,
 	UpdateTokenReqDto,
 	UpdateTokenResDto,
+	SignInResDtoV0,
+	SignInResDtoV1,
 } from "../dto/auth.dto";
 import { ResultDto } from "../utility/validation/class-validator.interceptor";
 import { ScheduleService } from "../schedule/schedule.service";
 import { UserToken } from "./auth.decorator";
+import { ResponseVersion } from "../version/response-version.decorator";
 
 @Controller("api/v1/auth")
 export class AuthController {
@@ -39,21 +42,30 @@ export class AuthController {
 	) {}
 
 	@ApiExtraModels(SignInReqDto)
-	@ApiExtraModels(SignInResDto)
+	@ApiExtraModels(SignInResDtoV0)
+	@ApiExtraModels(SignInResDtoV1)
 	@ApiOperation({ summary: "Авторизация по логину и паролю", tags: ["auth"] })
 	@ApiBody({ schema: refs(SignInReqDto)[0] })
 	@ApiOkResponse({
 		description: "Авторизация прошла успешно",
-		schema: refs(SignInResDto)[0],
+		schema: refs(SignInResDtoV0)[0],
+	})
+	@ApiOkResponse({
+		description: "Авторизация прошла успешно",
+		schema: refs(SignInResDtoV1)[0],
 	})
 	@ApiUnauthorizedResponse({
 		description: "Некорректное имя пользователя или пароль",
 	})
-	@ResultDto(SignInResDto)
+	@ResultDto([SignInResDtoV0, SignInResDtoV1])
 	@HttpCode(HttpStatus.OK)
 	@Post("sign-in")
-	signIn(@Body() signInDto: SignInReqDto) {
-		return this.authService.signIn(signInDto);
+	async signIn(
+		@Body() signInDto: SignInReqDto,
+		@ResponseVersion() responseVersion: number,
+	): Promise<SignInResDtoV1 | SignInResDtoV0> {
+		const data = await this.authService.signIn(signInDto);
+		return SignInResDto.stripVersion(data, responseVersion);
 	}
 
 	@ApiExtraModels(SignUpReqDto)
diff --git a/src/auth/auth.guard.ts b/src/auth/auth.guard.ts
index f5a249b..76a7ef5 100644
--- a/src/auth/auth.guard.ts
+++ b/src/auth/auth.guard.ts
@@ -9,7 +9,7 @@ import { JwtService } from "@nestjs/jwt";
 import { Request } from "express";
 import { UsersService } from "../users/users.service";
 import { Reflector } from "@nestjs/core";
-import { AuthRoles } from "../auth-role/auth-role.decorator";
+import { AuthRoles, AuthUnauthorized } from "../auth-role/auth-role.decorator";
 import { isJWT } from "class-validator";
 
 @Injectable()
@@ -30,6 +30,9 @@ export class AuthGuard implements CanActivate {
 	}
 
 	async canActivate(context: ExecutionContext): Promise<boolean> {
+		if (this.reflector.get(AuthUnauthorized, context.getHandler()))
+			return true;
+
 		const request = context.switchToHttp().getRequest();
 		const token = AuthGuard.extractTokenFromRequest(request);
 
diff --git a/src/auth/auth.service.ts b/src/auth/auth.service.ts
index 5da8b40..daa11bc 100644
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -115,7 +115,7 @@ export class AuthService {
 			data: { accessToken: accessToken },
 		});
 
-		return { id: user.id, accessToken: accessToken };
+		return { id: user.id, accessToken: accessToken, group: user.group };
 	}
 
 	async updateToken(
diff --git a/src/dto/auth.dto.ts b/src/dto/auth.dto.ts
index ca9965c..cb2dd6f 100644
--- a/src/dto/auth.dto.ts
+++ b/src/dto/auth.dto.ts
@@ -5,8 +5,8 @@ import {
 	PickType,
 } from "@nestjs/swagger";
 import { UserDto } from "./user.dto";
-import { IsString } from "class-validator";
-import { Expose } from "class-transformer";
+import { IsJWT, IsMongoId, IsString } from "class-validator";
+import { Expose, instanceToPlain, plainToClass } from "class-transformer";
 
 // SignIn
 export class SignInReqDto extends PickType(UserDto, ["username"]) {
@@ -18,7 +18,50 @@ export class SignInReqDto extends PickType(UserDto, ["username"]) {
 	password: string;
 }
 
-export class SignInResDto extends PickType(UserDto, ["id", "accessToken"]) {}
+export class SignInResDtoV0 {
+	@ApiProperty({
+		example: "66e1b7e255c5d5f1268cce90",
+		description: "Идентификатор (ObjectId)",
+	})
+	@IsMongoId()
+	@Expose()
+	id: string;
+
+	@ApiProperty({
+		example: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
+		description: "Последний токен доступа",
+	})
+	@IsJWT()
+	@Expose()
+	accessToken: string;
+}
+
+export class SignInResDtoV1 extends SignInResDtoV0 {
+	@ApiProperty({
+		example: "ИС-214/23",
+		description: "Группа",
+	})
+	@IsString()
+	@Expose()
+	group: string;
+}
+
+export class SignInResDto extends SignInResDtoV1 {
+	public static stripVersion(
+		instance: SignInResDto,
+		version: number,
+	): SignInResDtoV0 | SignInResDtoV1 {
+		switch (version) {
+			default:
+				return instance;
+			case 0: {
+				return plainToClass(SignInResDtoV0, instanceToPlain(instance), {
+					excludeExtraneousValues: true,
+				});
+			}
+		}
+	}
+}
 
 // SignUp
 export class SignUpReqDto extends IntersectionType(
@@ -27,7 +70,10 @@ export class SignUpReqDto extends IntersectionType(
 	PartialType(PickType(UserDto, ["version"])),
 ) {}
 
-export class SignUpResDto extends SignInResDto {}
+export class SignUpResDto extends PickType(SignInResDto, [
+	"id",
+	"accessToken",
+]) {}
 
 // Update token
 export class UpdateTokenReqDto extends PickType(UserDto, ["accessToken"]) {}
diff --git a/src/dto/schedule.dto.ts b/src/dto/schedule.dto.ts
index b5a4b8d..448c3b1 100644
--- a/src/dto/schedule.dto.ts
+++ b/src/dto/schedule.dto.ts
@@ -11,7 +11,7 @@ import {
 	IsString,
 	ValidateNested,
 } from "class-validator";
-import { ApiProperty, OmitType, PickType } from "@nestjs/swagger";
+import { ApiProperty, OmitType, PartialType, PickType } from "@nestjs/swagger";
 import {
 	Expose,
 	instanceToPlain,
@@ -296,7 +296,9 @@ export class ScheduleDto {
 	lastChangedDays: Array<Array<number>>;
 }
 
-export class GroupScheduleRequestDto extends PickType(GroupDto, ["name"]) {}
+export class GroupScheduleReqDto extends PartialType(
+	PickType(GroupDto, ["name"]),
+) {}
 
 export class ScheduleGroupsDto {
 	@ApiProperty({
diff --git a/src/schedule/schedule.controller.ts b/src/schedule/schedule.controller.ts
index 11dc8ea..800ab6c 100644
--- a/src/schedule/schedule.controller.ts
+++ b/src/schedule/schedule.controller.ts
@@ -14,7 +14,7 @@ import {
 	CacheStatusV0Dto,
 	CacheStatusV1Dto,
 	GroupScheduleDto,
-	GroupScheduleRequestDto,
+	GroupScheduleReqDto,
 	ScheduleDto,
 	ScheduleGroupsDto,
 	SiteMainPageDto,
@@ -28,7 +28,11 @@ import {
 	ApiOperation,
 	refs,
 } from "@nestjs/swagger";
-import { ClientVersion } from "../version/client-version.decorator";
+import { ResponseVersion } from "../version/response-version.decorator";
+import { AuthRoles, AuthUnauthorized } from "../auth-role/auth-role.decorator";
+import { UserDto, UserRoleDto } from "../dto/user.dto";
+import { UserToken } from "../auth/auth.decorator";
+import { UserFromTokenPipe } from "../auth/auth.pipe";
 
 @Controller("api/v1/schedule")
 @UseGuards(AuthGuard)
@@ -36,12 +40,16 @@ export class ScheduleController {
 	constructor(private readonly scheduleService: ScheduleService) {}
 
 	@ApiExtraModels(ScheduleDto)
-	@ApiOperation({ summary: "Получение расписания", tags: ["schedule"] })
+	@ApiOperation({
+		summary: "Получение расписания",
+		tags: ["schedule", "admin"],
+	})
 	@ApiOkResponse({
 		description: "Расписание получено успешно",
 		schema: refs(ScheduleDto)[0],
 	})
 	@ResultDto(ScheduleDto)
+	@AuthRoles([UserRoleDto.ADMIN])
 	@HttpCode(HttpStatus.OK)
 	@Get("get")
 	async getSchedule(): Promise<ScheduleDto> {
@@ -62,9 +70,10 @@ export class ScheduleController {
 	@HttpCode(HttpStatus.OK)
 	@Post("get-group")
 	async getGroupSchedule(
-		@Body() groupDto: GroupScheduleRequestDto,
+		@Body() groupDto: GroupScheduleReqDto,
+		@UserToken(UserFromTokenPipe) user: UserDto,
 	): Promise<GroupScheduleDto> {
-		return await this.scheduleService.getGroup(groupDto.name);
+		return await this.scheduleService.getGroup(groupDto.name ?? user.group);
 	}
 
 	@ApiExtraModels(ScheduleGroupsDto)
@@ -78,6 +87,7 @@ export class ScheduleController {
 	})
 	@ApiNotFoundResponse({ description: "Требуемая группа не найдена" })
 	@ResultDto(ScheduleGroupsDto)
+	@AuthUnauthorized()
 	@HttpCode(HttpStatus.OK)
 	@Get("get-group-names")
 	async getGroupNames(): Promise<ScheduleGroupsDto> {
@@ -107,7 +117,7 @@ export class ScheduleController {
 	@Post("update-site-main-page")
 	async updateSiteMainPage(
 		@Body() siteMainPageDto: SiteMainPageDto,
-		@ClientVersion() version: number,
+		@ResponseVersion() version: number,
 	): Promise<CacheStatusV0Dto> {
 		return CacheStatusDto.stripVersion(
 			await this.scheduleService.updateSiteMainPage(siteMainPageDto),
@@ -133,7 +143,7 @@ export class ScheduleController {
 	@HttpCode(HttpStatus.OK)
 	@Get("cache-status")
 	getCacheStatus(
-		@ClientVersion() version: number,
+		@ResponseVersion() version: number,
 	): CacheStatusV0Dto | CacheStatusV1Dto {
 		return CacheStatusDto.stripVersion(
 			this.scheduleService.getCacheStatus(),
diff --git a/src/version/client-version.decorator.ts b/src/version/response-version.decorator.ts
similarity index 87%
rename from src/version/client-version.decorator.ts
rename to src/version/response-version.decorator.ts
index 6162bdc..e213551 100644
--- a/src/version/client-version.decorator.ts
+++ b/src/version/response-version.decorator.ts
@@ -1,6 +1,6 @@
 import { createParamDecorator, ExecutionContext } from "@nestjs/common";
 
-export const ClientVersion = createParamDecorator(
+export const ResponseVersion = createParamDecorator(
 	(_, context: ExecutionContext) => {
 		const sourceVersion: string | null = context.switchToHttp().getRequest()
 			.headers.version;