diff --git a/build.gradle b/build.gradle
index 075fcf9..5ce6dd4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ plugins {
 
 group = 'ru.ulstu.is'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '19'
+sourceCompatibility = '17'
 
 repositories {
 	mavenCentral()
diff --git a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/UserMvcController.java b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/UserMvcController.java
index 8b9454b..a826bd8 100644
--- a/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/UserMvcController.java
+++ b/src/main/java/ru/ulstu/is/sbapp/HardwareShop/controller/UserMvcController.java
@@ -7,13 +7,14 @@ import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
 import ru.ulstu.is.sbapp.HardwareShop.models.UserRole;
 import ru.ulstu.is.sbapp.HardwareShop.services.UserService;
 
 import java.util.List;
 import java.util.stream.IntStream;
 
-@Controller
+@RestController
 @RequestMapping("/users")
 public class UserMvcController {
     private final UserService userService;