diff --git a/app/build.gradle b/app/build.gradle
index fa5939d..99a6b08 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,15 +2,22 @@ plugins {
     id 'com.android.application'
 }
 
+def AppMajorVersion = 1
+def AppMinorVersion = 0
+def AppBuildNumber = 0
+
+def AppVersionName = AppMajorVersion + "." + AppMinorVersion + "." + AppBuildNumber
+def AppVersionCode = AppMajorVersion * 100000 + AppMinorVersion * 1000 + AppBuildNumber
+
 android {
     compileSdk 32
 
     defaultConfig {
         applicationId "com.xypower.frpandroid"
-        minSdk 25
-        targetSdk 32
-        versionCode 2
-        versionName "1.1"
+        minSdk 24
+        targetSdk 28
+        versionCode AppVersionCode
+        versionName AppVersionName
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"