diff --git a/app/build.gradle b/app/build.gradle
index a64521d..1cdda3b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,11 +2,11 @@ apply plugin: 'com.android.application'
 apply plugin: 'checkstyle'
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
     defaultConfig {
         applicationId "org.mercury_im.messenger"
         minSdkVersion 19
-        targetSdkVersion 28
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"