diff --git a/kotlin_demo/build.gradle.kts b/kotlin_demo/build.gradle.kts
index dd7e80484..5a7c0d4c1 100644
--- a/kotlin_demo/build.gradle.kts
+++ b/kotlin_demo/build.gradle.kts
@@ -3,7 +3,7 @@
 plugins {
   id("java")
   id("org.jetbrains.intellij") version "1.15.0"
-  id("org.jetbrains.kotlin.jvm") version "1.8.22"
+  id("org.jetbrains.kotlin.jvm") version "1.9.0"
 }
 
 group = "org.intellij.sdk"