diff --git a/app/build.gradle b/app/build.gradle
index 3656c96..056e6b0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
-    id 'org.jetbrains.kotlin.plugin.serialization' version '2.1.20'
+    id 'org.jetbrains.kotlin.plugin.serialization' version '2.1.21'
 }