diff --git a/build.gradle.kts b/build.gradle.kts
index b153ecd..156ae77 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 val ktor_version: String by project
 val kotlin_version: String by project
 val logback_version: String by project
@@ -5,9 +7,9 @@ val exposed_version: String by project
 val h2_version: String by project
 
 plugins {
-    kotlin("jvm") version "1.9.24"
+    kotlin("jvm") version "2.0.0"
     id("io.ktor.plugin") version "2.3.12"
-    id("org.jetbrains.kotlin.plugin.serialization") version "1.9.24"
+    id("org.jetbrains.kotlin.plugin.serialization") version "2.0.0"
 }
 
 group = "io.github.wulkanowy"
@@ -23,11 +25,10 @@ application {
 val compileKotlin: org.jetbrains.kotlin.gradle.tasks.KotlinCompile by tasks
 val compileTestKotlin: org.jetbrains.kotlin.gradle.tasks.KotlinCompile by tasks
 
-compileKotlin.kotlinOptions {
-    jvmTarget = JavaVersion.VERSION_17.toString()
-}
-compileTestKotlin.kotlinOptions {
-    jvmTarget = JavaVersion.VERSION_17.toString()
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.JVM_17
+    }
 }
 
 repositories {
@@ -49,7 +50,7 @@ dependencies {
     implementation("org.jetbrains.exposed:exposed-dao:$exposed_version")
     implementation("org.jetbrains.exposed:exposed-jdbc:$exposed_version")
     implementation("org.jetbrains.exposed:exposed-java-time:$exposed_version")
-    implementation("org.postgresql:postgresql:42.6.0")
+    implementation("org.postgresql:postgresql:42.7.2")
     implementation("org.flywaydb:flyway-core:9.22.2")
     implementation("io.ktor:ktor-server-auth-jvm:2.3.4")
 
diff --git a/gradle.properties b/gradle.properties
index ec0e8fc..12821ea 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 ktor_version=2.3.12
-kotlin_version=1.9.24
+kotlin_version=2.0.0
 logback_version=1.5.6
 kotlin.code.style=official
 exposed_version = 0.52.0