diff --git a/build.gradle.kts b/build.gradle.kts
index 86c9f66..68048ad 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     kotlin("jvm") version "1.9.0"
-    kotlin("plugin.serialization") version "1.9.0"
+    kotlin("plugin.serialization") version "1.9.20"
     idea
     application
     id("com.github.johnrengelman.shadow") version "8.1.1"