diff --git a/build.gradle.kts b/build.gradle.kts
index fea17d1..2063c37 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -21,7 +21,7 @@ version = pluginVersion
 println("pluginVersion=$version")
 
 plugins {
-    kotlin("jvm") version "1.9.0"
+    kotlin("jvm") version "1.9.21"
     id("org.jetbrains.intellij") version "1.16.0"
     id("org.jetbrains.grammarkit") version "2022.3.2"
 }