diff --git a/build.gradle.kts b/build.gradle.kts
index 44c5ba6..6666698 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -17,7 +17,7 @@
 plugins {
     application
     kotlin("jvm") version "1.9.10"
-    kotlin("plugin.serialization") version "1.9.10"
+    kotlin("plugin.serialization") version "1.9.20"
     id("org.jlleitschuh.gradle.ktlint") version "11.6.0"
 }