diff --git a/build.gradle.kts b/build.gradle.kts
index e6303f3..fd1ea2e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
     alias(libs.plugins.changelog) // Gradle Changelog Plugin
     alias(libs.plugins.qodana) // Gradle Qodana Plugin
     alias(libs.plugins.kover) // Gradle Kover Plugin
-    kotlin("plugin.serialization") version "2.2.20"
+    kotlin("plugin.serialization") version "2.2.21"
 }
 
 group = providers.gradleProperty("pluginGroup").get()