diff --git a/build.gradle.kts b/build.gradle.kts
index 0caec4b..fa1e500 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     kotlin("jvm") version "2.2.21"
-    kotlin("plugin.serialization") version "2.2.20"
+    kotlin("plugin.serialization") version "2.2.21"
     id("io.gitlab.arturbosch.detekt") version ("1.23.8")
     id("jacoco")
     id("org.jetbrains.dokka") version "2.1.0"