diff --git a/build.gradle b/build.gradle
index 72a10ee..3e158ef 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-  ext.kotlin_version = '1.8.20'
+  ext.kotlin_version = '1.8.21'
   repositories {
     mavenCentral()
     gradlePluginPortal()