diff --git a/mobile/build.gradle.kts b/mobile/build.gradle.kts
index 73faba57..2d102416 100644
--- a/mobile/build.gradle.kts
+++ b/mobile/build.gradle.kts
@@ -11,13 +11,13 @@ plugins {
 android {
     val javaVersion = JavaVersion.VERSION_1_8
     val targetSdk = 29
-    buildToolsVersion = "30.0.3"
+    buildToolsVersion = "31.0.0-rc4"
     compileOptions {
         isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = javaVersion
         targetCompatibility = javaVersion
     }
-    compileSdk = 30
+    compileSdkPreview = "android-S"
     kotlinOptions.jvmTarget = javaVersion.toString()
     defaultConfig {
         applicationId = "be.mygod.vpnhotspot"