diff --git a/build.gradle.kts b/build.gradle.kts
index e8a7aefe..5789064e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.plugin.KotlinMultiplatformPluginWrapper
-import org.jetbrains.kotlin.gradle.plugin.KotlinPlatformJvmPlugin
+import org.jetbrains.kotlin.gradle.plugin.KotlinPluginWrapper
 import org.modelix.copyMps
 
 buildscript {
@@ -48,7 +48,7 @@ subprojects {
     version = rootProject.version
     group = rootProject.group
 
-    val kotlinApiVersion = org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_1_6
+    val kotlinApiVersion = org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_1_8
     subproject.tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
         kotlinOptions {
             jvmTarget = "11"
@@ -75,7 +75,7 @@ subprojects {
         }
     }
 
-    subproject.plugins.withType<KotlinPlatformJvmPlugin> {
+    subproject.plugins.withType<KotlinPluginWrapper> {
         subproject.extensions.configure<KotlinJvmProjectExtension> {
             compilerOptions {
                 jvmTarget.set(JvmTarget.JVM_11)
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 228812c0..8c673605 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,7 @@ modelix-model-api-gen = { id = "org.modelix.model-api-gen", version.ref = "model
 npm-publish = { id = "dev.petuska.npm.publish", version = "3.5.3" }
 
 [versions]
-modelixCore = "11.2.1"
+modelixCore = "15.4.0"
 kotlinCoroutines="1.10.2"
 ktor="3.1.3"
 
diff --git a/mps-diff-plugin/build.gradle.kts b/mps-diff-plugin/build.gradle.kts
index 048d8759..06f187aa 100644
--- a/mps-diff-plugin/build.gradle.kts
+++ b/mps-diff-plugin/build.gradle.kts
@@ -24,7 +24,7 @@ kotlin {
     sourceSets {
         main {
             languageSettings {
-                apiVersion = KotlinVersion.KOTLIN_1_6.version
+                apiVersion = KotlinVersion.KOTLIN_1_8.version
             }
         }
     }
diff --git a/mps-generator-execution-plugin/build.gradle.kts b/mps-generator-execution-plugin/build.gradle.kts
index 5bb2edde..1fa51c2f 100644
--- a/mps-generator-execution-plugin/build.gradle.kts
+++ b/mps-generator-execution-plugin/build.gradle.kts
@@ -24,7 +24,7 @@ kotlin {
     sourceSets {
         main {
             languageSettings {
-                apiVersion = KotlinVersion.KOTLIN_1_6.version
+                apiVersion = KotlinVersion.KOTLIN_1_8.version
             }
         }
     }