diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index 50b4e1c8..8a346139 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
     // Java support
     id("java")
     // Kotlin support
-    id("org.jetbrains.kotlin.jvm") version "1.8.0"
+    id("org.jetbrains.kotlin.jvm") version "1.8.21"
     // Gradle IntelliJ Plugin
     id("org.jetbrains.intellij") version "1.12.0"
     // Gradle Changelog Plugin