diff --git a/build.gradle b/build.gradle
index 8ef88bb..bd12fee 100644
--- a/build.gradle
+++ b/build.gradle
@@ -30,8 +30,9 @@ dependencies {
     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-test'
-    implementation group: 'org.slf4j', name: 'slf4j-api', version: versionSLF4J
-    implementation group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect', version: '3.0.0'
+    implementation group: 'org.slf4j', name: 'slf4j-api'
+    implementation group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect'
+    implementation group: 'org.thymeleaf.extras', name: 'thymeleaf-extras-springsecurity6'
     implementation group: 'org.javassist', name: 'javassist', version: '3.25.0-GA'
     implementation group: 'org.eclipse.jetty', name: 'jetty-servlet', version: versionJetty
 
diff --git a/src/main/java/ru/ulstu/HttpUtils.java b/src/main/java/ru/ulstu/HttpUtils.java
index faac963..75b8cbf 100644
--- a/src/main/java/ru/ulstu/HttpUtils.java
+++ b/src/main/java/ru/ulstu/HttpUtils.java
@@ -1,6 +1,6 @@
 package ru.ulstu;
 
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 
 public class HttpUtils {
     public static String getUserIp(HttpServletRequest request) {
diff --git a/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java b/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java
index a403254..533146c 100644
--- a/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java
+++ b/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java
@@ -6,7 +6,7 @@ import org.springframework.context.MessageSource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.support.ReloadableResourceBundleMessageSource;
-import org.thymeleaf.spring5.SpringTemplateEngine;
+import org.thymeleaf.spring6.SpringTemplateEngine;
 import org.thymeleaf.templateresolver.ITemplateResolver;
 
 @Configuration
diff --git a/src/main/java/ru/ulstu/controller/TimeSeriesController.java b/src/main/java/ru/ulstu/controller/TimeSeriesController.java
index b97a2cb..44cc20d 100644
--- a/src/main/java/ru/ulstu/controller/TimeSeriesController.java
+++ b/src/main/java/ru/ulstu/controller/TimeSeriesController.java
@@ -1,6 +1,8 @@
 package ru.ulstu.controller;
 
 import io.swagger.v3.oas.annotations.Operation;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.validation.Valid;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
@@ -20,8 +22,6 @@ import ru.ulstu.datamodel.ts.TimeSeries;
 import ru.ulstu.method.Method;
 import ru.ulstu.service.TimeSeriesService;
 
-import javax.servlet.http.HttpServletRequest;
-import javax.validation.Valid;
 import java.lang.reflect.InvocationTargetException;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
diff --git a/src/main/java/ru/ulstu/datamodel/ForecastParams.java b/src/main/java/ru/ulstu/datamodel/ForecastParams.java
index 265dfe6..38cb513 100644
--- a/src/main/java/ru/ulstu/datamodel/ForecastParams.java
+++ b/src/main/java/ru/ulstu/datamodel/ForecastParams.java
@@ -1,9 +1,8 @@
 package ru.ulstu.datamodel;
 
+import jakarta.validation.constraints.NotNull;
 import ru.ulstu.datamodel.ts.TimeSeries;
 
-import javax.validation.constraints.NotNull;
-
 public class ForecastParams {
     @NotNull
     private TimeSeries originalTimeSeries;
diff --git a/src/main/java/ru/ulstu/datamodel/SmoothingParams.java b/src/main/java/ru/ulstu/datamodel/SmoothingParams.java
index 444b84d..2c04d37 100644
--- a/src/main/java/ru/ulstu/datamodel/SmoothingParams.java
+++ b/src/main/java/ru/ulstu/datamodel/SmoothingParams.java
@@ -1,9 +1,8 @@
 package ru.ulstu.datamodel;
 
+import jakarta.validation.constraints.NotNull;
 import ru.ulstu.datamodel.ts.TimeSeries;
 
-import javax.validation.constraints.NotNull;
-
 public class SmoothingParams {
     @NotNull
     private TimeSeries originalTimeSeries;
diff --git a/src/main/java/ru/ulstu/service/UtilService.java b/src/main/java/ru/ulstu/service/UtilService.java
index 498dad4..5f8113a 100644
--- a/src/main/java/ru/ulstu/service/UtilService.java
+++ b/src/main/java/ru/ulstu/service/UtilService.java
@@ -1,7 +1,5 @@
 package ru.ulstu.service;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import ru.ulstu.TimeSeriesUtils;
 import ru.ulstu.datamodel.ts.TimeSeries;
@@ -16,7 +14,6 @@ import java.util.stream.Collectors;
 
 @Service
 public class UtilService {
-    private static final Logger LOGGER = LoggerFactory.getLogger(UtilService.class);
     private static final String DELIMITER = ";";
 
     public TimeSeries getRandomTimeSeries(int length) {