diff --git a/app/build.gradle b/app/build.gradle
index 95ad8f0..5687d8c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,8 +1,7 @@
 apply plugin: 'com.android.application'
 
 repositories {
-    maven { url "http://www.atilika.org/nexus/content/repositories/atilika" }
-    maven { url "https://maven.google.com" }
+    google()
     maven { url 'https://jitpack.io' }
 }
 
@@ -13,32 +12,21 @@ android {
         }
     }
 
-    compileSdkVersion 26
-    buildToolsVersion "26.0.0"
+    compileSdkVersion 29
+    buildToolsVersion "26.0.3"
     defaultConfig {
         applicationId "com.quicklyric.romanizer"
         minSdkVersion 15
-        targetSdkVersion 26
+        targetSdkVersion 29
         versionCode 8
         versionName "1.0.3"
     }
 
-    signingConfigs {
-
-        release {
-            storeFile file('../../release.keystore')
-            storePassword RELEASE_STORE_PASSWORD
-            keyAlias RELEASE_KEY_ALIAS
-            keyPassword RELEASE_KEY_PASSWORD
-        }
-    }
-
     buildTypes {
         release {
             buildConfigField "Boolean", "REPORT_CRASH", 'true'
-            useProguard true
             minifyEnabled true
-            signingConfig signingConfigs.release
+            shrinkResources true
             proguardFiles 'proguard-rules.pro', getDefaultProguardFile('proguard-android-optimize.txt')
         }
 
@@ -64,11 +52,10 @@ android {
 }
 
 dependencies {
-    compile fileTree(include: ['*.jar'], dir: 'libs')
-    compile 'com.android.support:appcompat-v7:26.+'
-    compile 'me.xuender:unidecode:0.0.7'
-    compile 'com.github.geecko86:kuromoji:fix_issue_96-SNAPSHOT'
-    testCompile 'junit:junit:4.12'
-    compile 'com.cybozu.labs:langdetect:+'
-    compile 'ch.acra:acra:4.9.2'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'me.xuender:unidecode:0.0.7'
+    implementation 'com.github.geecko86:kuromoji:fix_issue_96-SNAPSHOT'
+    testImplementation 'junit:junit:4.13'
+    implementation 'com.cybozu.labs:langdetect:+'
+    implementation 'ch.acra:acra:4.9.2'
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a64c221..f59f3b4 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,7 +1,9 @@
 <manifest package="com.quicklyric.romanizer"
           xmlns:android="http://schemas.android.com/apk/res/android"
-          xmlns:tools="http://schemas.android.com/tools">
+          xmlns:tools="http://schemas.android.com/tools"
+    xmlns:dist="http://schemas.android.com/apk/distribution">
 
+    <dist:module dist:instant="true" />
     <uses-permission android:name="android.permission.INTERNET"/>
 
     <application
@@ -9,8 +11,11 @@
         android:allowBackup="true"
         android:fullBackupContent="false"
         android:icon="@mipmap/ic_launcher"
+        android:usesCleartextTraffic="true"
+        android:requestLegacyExternalStorage="true"
         android:label="@string/app_name"
-        tools:ignore="GoogleAppIndexingWarning">
+        tools:ignore="GoogleAppIndexingWarning"
+        android:supportsRtl="true">
 
         <receiver
             android:name=".RomanisationBroadcastReceiver"
diff --git a/build.gradle b/build.gradle
index d0aa704..7d34715 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.2'
+        classpath 'com.android.tools.build:gradle:4.0.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index aac7c9b..9e6fce1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,6 +9,8 @@
 
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
+android.enableJetifier=true
+android.useAndroidX=true
 org.gradle.jvmargs=-Xmx1536m
 
 # When configured, Gradle will run in incubating parallel mode.
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e3e6b2e..008c29d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sat Jul 01 02:39:55 CEST 2017
+#Thu Jun 11 17:28:23 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/local.properties b/local.properties
index 350511d..1649c52 100644
--- a/local.properties
+++ b/local.properties
@@ -7,4 +7,4 @@
 # Location of the SDK. This is only used by Gradle.
 # For customization when using a Version Control System, please read the
 # header note.
-sdk.dir=/opt/android-sdk
\ No newline at end of file
+sdk.dir=/opt/android-sdk