diff --git a/client/android/settings.gradle.kts b/client/android/settings.gradle.kts
index bf7df2ad..c34eddd8 100644
--- a/client/android/settings.gradle.kts
+++ b/client/android/settings.gradle.kts
@@ -19,7 +19,7 @@ pluginManagement {
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "9.0.1" apply false
-    id("org.jetbrains.kotlin.android") version "2.3.20" apply false
+    id("org.jetbrains.kotlin.android") version "2.4.21" apply false
 }
 
 include(":app")
diff --git a/wireguard_plugin/android/build.gradle.kts b/wireguard_plugin/android/build.gradle.kts
index 6313f077..663cb9c3 100644
--- a/wireguard_plugin/android/build.gradle.kts
+++ b/wireguard_plugin/android/build.gradle.kts
@@ -2,7 +2,7 @@ group = "net.defguard.wireguard_plugin"
 version = "1.0-SNAPSHOT"
 
 buildscript {
-    val kotlinVersion = "2.3.20"
+    val kotlinVersion = "2.4.21"
     repositories {
         google()
         mavenCentral()
@@ -23,7 +23,7 @@ allprojects {
 
 plugins {
     id("com.android.library")
-    id("org.jetbrains.kotlin.plugin.serialization") version "2.3.20"
+    id("org.jetbrains.kotlin.plugin.serialization") version "2.4.21"
 }
 
 android {