diff --git a/build.gradle.kts b/build.gradle.kts
index 5289804..b7cce5a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,7 +3,7 @@ import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm") version "1.8.0"
+    kotlin("jvm") version "1.8.21"
     kotlin("plugin.serialization") version "1.8.0"
     id("com.github.johnrengelman.shadow") version "7.1.2"