diff --git a/app/build.gradle b/app/build.gradle
index 90c7473..c47f091 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion = '28.0.3'
+    compileSdkVersion 31
+    buildToolsVersion = '31.0.0'
 
     defaultConfig {
         applicationId "deps.mupen64plusae.android.paulscode.mupen64plus_ae_deps"
-        minSdkVersion 21
-        targetSdkVersion 30
+        minSdkVersion 23
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
     }
@@ -22,7 +22,7 @@ android {
             path "src/main/cpp/Android.mk"
         }
     }
-    ndkVersion '22.0.7026061'
+    ndkVersion "23.1.7779620"
 
     defaultConfig {
         externalNativeBuild {
@@ -38,5 +38,4 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:28.0.0'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 48e7880..8b1f3e2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,8 +4,6 @@
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
-        android:supportsRtl="true"
-        android:theme="@style/AppTheme" />
+        android:supportsRtl="true" />
 </manifest>
diff --git a/app/src/main/cpp/Application.mk b/app/src/main/cpp/Application.mk
index 790606e..9c0b605 100644
--- a/app/src/main/cpp/Application.mk
+++ b/app/src/main/cpp/Application.mk
@@ -1,7 +1,2 @@
 APP_STL := c++_shared
-APP_ABI := armeabi-v7a x86
-# TODO: mips
-
-APP_PLATFORM := android-19
 APP_OPTIM := release
-APP_CPPFLAGS += -fexceptions
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
deleted file mode 100644
index 3ab3e9c..0000000
--- a/app/src/main/res/values/colors.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="colorPrimary">#3F51B5</color>
-    <color name="colorPrimaryDark">#303F9F</color>
-    <color name="colorAccent">#FF4081</color>
-</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
deleted file mode 100644
index 5f63f3c..0000000
--- a/app/src/main/res/values/strings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<resources>
-    <string name="app_name">mupen64plus-ae-deps</string>
-</resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
deleted file mode 100644
index 5885930..0000000
--- a/app/src/main/res/values/styles.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<resources>
-
-    <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <!-- Customize your theme here. -->
-        <item name="colorPrimary">@color/colorPrimary</item>
-        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="colorAccent">@color/colorAccent</item>
-    </style>
-
-</resources>
diff --git a/build.gradle b/build.gradle
index 2426268..154f3f5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:7.0.4'
         
 
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9763a40..7a7b592 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip
diff --git a/junrar/build.gradle b/junrar/build.gradle
index 831a959..21b3a83 100644
--- a/junrar/build.gradle
+++ b/junrar/build.gradle
@@ -1,19 +1,15 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 31
 
     defaultConfig {
-        minSdkVersion 19
-        targetSdkVersion 27
-        versionCode 1
-        versionName "1.0"
+        minSdkVersion 23
+        targetSdkVersion 31
 
     }
 
     task sourcesJar(type: Jar) {
-        classifier = 'sources'
         from android.sourceSets.main.java.srcDirs
     }
 }