diff --git a/frontend/appflowy_flutter/android/app/build.gradle b/frontend/appflowy_flutter/android/app/build.gradle
index c91b688162..70267a28f4 100644
--- a/frontend/appflowy_flutter/android/app/build.gradle
+++ b/frontend/appflowy_flutter/android/app/build.gradle
@@ -25,6 +25,12 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     compileSdkVersion 34
     ndkVersion "24.0.8215888"
@@ -46,8 +52,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "io.appflowy.appflowy"
-        minSdkVersion 23
-        targetSdkVersion 31
+        minSdkVersion 33
+        targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         multiDexEnabled true
@@ -58,14 +64,17 @@ android {
         }
     }
 
+    signingConfigs {
+       release {
+           keyAlias keystoreProperties['keyAlias']
+           keyPassword keystoreProperties['keyPassword']
+           storeFile keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+           storePassword keystoreProperties['storePassword']
+       }
+    }
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            minifyEnabled true
-            shrinkResources true
-
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
         }
     }
 
diff --git a/frontend/appflowy_flutter/packages/appflowy_backend/example/android/app/build.gradle b/frontend/appflowy_flutter/packages/appflowy_backend/example/android/app/build.gradle
index aa5daf1e9d..b96b43daa3 100644
--- a/frontend/appflowy_flutter/packages/appflowy_backend/example/android/app/build.gradle
+++ b/frontend/appflowy_flutter/packages/appflowy_backend/example/android/app/build.gradle
@@ -35,8 +35,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.plugin.flowy_sdk_example"
-        minSdkVersion 16
-        targetSdkVersion 31
+        minSdkVersion 33
+        targetSdkVersion 33
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }