diff --git a/build.gradle b/build.gradle
index e860137..d044239 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,67 +1,43 @@
-buildscript {
-    ext {
-        versionSpringBoot = '2.3.9.RELEASE'
-    }
-
-    repositories {
-        mavenLocal()
-        mavenCentral()
-    }
-
-    dependencies {
-        classpath group: 'org.springframework.boot', name: 'spring-boot-gradle-plugin', version: versionSpringBoot
-    }
+plugins {
+    id 'java'
+    id 'org.springframework.boot' version '3.4.2'
+    id 'io.spring.dependency-management' version '1.1.7'
 }
 
-group 'ru.ulstu'
-version '0.0.1'
-
-apply plugin: 'java'
-apply plugin: 'org.springframework.boot'
-apply plugin: 'io.spring.dependency-management'
-
-sourceCompatibility = 11
-targetCompatibility = 11
-
-jar {
-    archiveBaseName = 'fuzzy-controller'
-}
-
-compileJava {
-    options.encoding = "UTF-8"
+group = 'ru.ulstu'
+version = '0.0.1-SNAPSHOT'
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
 }
 
 repositories {
-    mavenLocal()
-    mavenCentral()
     maven {
-        url="https://repository.ow2.org/nexus/content/repositories/public"
+        url = uri("http://repo.athene.tech/repository/maven-central/")
+        allowInsecureProtocol(true)
     }
 }
 
-configurations {
-    implementation.exclude module: "spring-boot-starter-tomcat"
-    implementation.exclude module: "follow-redirects"
-    implementation.exclude module: "is-buffer"
-}
-
 dependencies {
     implementation group: 'org.springframework.boot', name: 'spring-boot-starter-web'
     implementation group: 'org.springframework.boot', name: 'spring-boot-starter-jetty'
     implementation group: 'org.springframework.boot', name: 'spring-boot-starter-thymeleaf'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-validation'
     implementation group: 'org.springframework.boot', name: 'spring-boot-starter-data-jpa'
-    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-webflux'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-security'
     implementation group: 'org.json', name: 'json', version: '20220320'
 
     implementation group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect'
+    implementation group: 'org.thymeleaf.extras', name: 'thymeleaf-extras-springsecurity6'
     implementation group: 'com.fasterxml.jackson.module', name: 'jackson-module-afterburner'
     implementation group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-hibernate5'
     implementation group: 'com.h2database', name:'h2'
     implementation group: 'commons-io', name: 'commons-io', version: '2.6'
     implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.12.0'
 
-    implementation group: 'io.springfox', name: 'springfox-boot-starter', version: '3.0.0'
+    implementation group: 'org.springdoc', name: 'springdoc-openapi-starter-webmvc-ui', version: '2.8.4'
 
     implementation group: 'com.ibm.icu', name: 'icu4j', version: '63.1'
     implementation group: 'org.eclipse.jgit', name: 'org.eclipse.jgit',  version: '5.9.0.202009080501-r'