diff --git a/build.gradle.kts b/build.gradle.kts
index fab3d03..d5b3450 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ plugins {
     id("io.spring.dependency-management") version "1.1.6"
     kotlin("jvm") version "2.0.10"
     kotlin("plugin.spring") version "2.0.10"
-    kotlin("plugin.serialization") version "2.0.10"
+    kotlin("plugin.serialization") version "2.0.20"
 }
 
 group = "com.fraktalio.example"