diff --git a/app/build.gradle b/app/build.gradle
index 18a837c..dfcbb07 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,11 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 31 // 31 = Android 12
+    compileSdkVersion 33 // 33 = Android 13
     defaultConfig {
         applicationId "net.moasdawiki.app"
         minSdkVersion 28 // 28 = Android 9
-        targetSdkVersion 31 // should be same as compileSdkVersion
+        targetSdkVersion 33 // should be same as compileSdkVersion
         versionCode 30
         versionName "3.4.4.0"
         archivesBaseName = "moasdawiki-" + versionName + "-" + versionCode
@@ -23,9 +23,11 @@ android {
 dependencies {
     implementation 'net.moasdawiki:moasdawiki-server:3.4.4'
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'androidx.appcompat:appcompat:1.4.1'
+    // androidx.appcompat:appcompat:1.5.0 causes dependency conflict, waiting for 1.5.1
+    // https://stackoverflow.com/questions/73406969/duplicate-class-androidx-lifecycle-viewmodellazy-found-in-modules-lifecycle-view
+    implementation 'androidx.appcompat:appcompat:1.4.2'
     // androidx.preference 1.2.0 causes dependency conflict
     implementation 'androidx.preference:preference:1.1.1'
     compileOnly 'org.jetbrains:annotations:23.0.0'
-    testImplementation 'org.testng:testng:7.5'
+    testImplementation 'org.testng:testng:7.6.1'
 }
diff --git a/build.gradle b/build.gradle
index 99b9aff..665ad18 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.1.3'
+        classpath 'com.android.tools.build:gradle:7.2.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files