diff --git a/README.adoc b/README.adoc
index 9ed2a30..81e1622 100644
--- a/README.adoc
+++ b/README.adoc
@@ -26,7 +26,7 @@ This tutorial is designed for Java developers who have already had their hands o
 
 To start working on this tutorial, we'll need one of the latest versions of IntelliJ IDEA – any version from 2018.1 onwards.You can download the latest free community version https://www.jetbrains.com/idea/download[here].
 
-This project is based on Spring Boot 2.4.0, which requires Kotlin 1.4.10. Make sure version 1.4+ of the Kotlin plugin is installed.To update the Kotlin plugin, use `Tools | Kotlin | Configure Kotlin Plugin Updates`.
+This project is based on Spring Boot 3.1.2 with Kotlin 1.9.0. Make sure version 1.9+ of the Kotlin plugin is installed. To update the Kotlin plugin, use `Tools | Kotlin | Configure Kotlin Plugin Updates`.
 
 === Downloading the project
 
diff --git a/build.gradle.kts b/build.gradle.kts
index c626f7b..65d2a43 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,10 +1,10 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-	id("org.springframework.boot") version "3.0.3"
-	id("io.spring.dependency-management") version "1.1.0"
-	kotlin("jvm") version "1.7.22"
-	kotlin("plugin.spring") version "1.7.22"
+	id("org.springframework.boot") version "3.1.2"
+	id("io.spring.dependency-management") version "1.1.2"
+	kotlin("jvm") version "1.9.0"
+	kotlin("plugin.spring") version "1.9.0"
 }
 
 group = "com.example.kotlin"
@@ -26,7 +26,8 @@ dependencies {
 	implementation("com.github.javafaker:javafaker:1.0.2")
 
 	implementation("org.jetbrains.kotlin:kotlin-reflect")
-	implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+
+	developmentOnly("org.springframework.boot:spring-boot-devtools")
 
 	testImplementation("org.springframework.boot:spring-boot-starter-test") {
 		exclude(group = "org.junit.vintage", module = "junit-vintage-engine")
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 070cb70..84a0b92 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists