diff --git a/androidstudio/app/build.gradle b/androidstudio/app/build.gradle
index 9389cd6..67c98b3 100644
--- a/androidstudio/app/build.gradle
+++ b/androidstudio/app/build.gradle
@@ -1,13 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.3"
+    compileSdkVersion 30
 
     defaultConfig {
         applicationId "jp.maio.sdk.android.sample"
         minSdkVersion 16
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
     }