diff --git a/build.gradle.kts b/build.gradle.kts
index 2de661d..1b39283 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,7 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmDefaultMode
+
 plugins {
-    kotlin("jvm") version libs.versions.kotlin.get()
+    alias(libs.plugins.kotlin.jvm)
     `java-library`
     alias(libs.plugins.deployer)
     alias(libs.plugins.dokka)
@@ -24,6 +26,9 @@ tasks.test {
 
 kotlin {
     jvmToolchain(8)
+    compilerOptions {
+        jvmDefault.set(JvmDefaultMode.NO_COMPATIBILITY)
+    }
 }
 
 val dokkaJar = tasks.register<Jar>("dokkaJar") {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 780a4d4..518f273 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.0.0"
+kotlin = "2.2.20"
 kotest = "5.9.1"
 
 [libraries]
@@ -16,3 +16,4 @@ kotest = ["kotest-runner", "kotest-assertations", "kotest-property", "kotest-dat
 [plugins]
 deployer = { id = "io.deepmedia.tools.deployer", version = "0.18.0" }
 dokka = { id = "org.jetbrains.dokka", version = "2.0.0" }
+kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }