diff --git a/build.gradle b/build.gradle
index 10d432c..9999a2a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
 plugins {
     id 'com.android.application' version '8.0.2' apply false
     id 'com.android.library' version '8.0.2' apply false
-    id 'org.jetbrains.kotlin.android' version '1.8.21' apply false
+    id 'org.jetbrains.kotlin.android' version '1.9.21' apply false
     id 'org.jetbrains.dokka' version "1.8.10"
 }
 apply plugin: 'org.jetbrains.dokka'