diff --git a/build.gradle.kts b/build.gradle.kts
index f1c1fed..cd1f583 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,7 +16,7 @@
 
 plugins {
     application
-    kotlin("jvm") version "1.9.20"
+    kotlin("jvm") version "1.9.21"
     kotlin("plugin.serialization") version "1.9.20"
     id("org.jlleitschuh.gradle.ktlint") version "11.6.1"
 }