diff --git a/build.gradle b/build.gradle
index 3659416..d133052 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,17 +2,19 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
-        classpath 'com.novoda:bintray-release:0.4.0'
+        classpath 'com.android.tools.build:gradle:3.6.2'
+        classpath 'com.novoda:bintray-release:0.5.0'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle.properties b/gradle.properties
index ae91f6f..65ff7f4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,6 +10,8 @@
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
 # Default value: -Xmx10248m -XX:MaxPermSize=256m
+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.jar b/gradle/wrapper/gradle-wrapper.jar
index fb7acee..f6b961f 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 415e33f..1ad03af 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Feb 07 17:19:02 SGT 2017
+#Mon Mar 02 08:02:37 SGT 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-5.6.4-all.zip
diff --git a/ratethisapp/build.gradle b/ratethisapp/build.gradle
index 929dc8d..afd9a70 100644
--- a/ratethisapp/build.gradle
+++ b/ratethisapp/build.gradle
@@ -2,12 +2,12 @@ apply plugin: "com.android.library"
 apply plugin: 'com.novoda.bintray-release'
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.3"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
 
     defaultConfig {
-        minSdkVersion 9
-        targetSdkVersion 25
+        minSdkVersion 14
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0"
     }
@@ -20,9 +20,9 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    testCompile 'junit:junit:4.12'
-    testCompile "org.robolectric:robolectric:3.3.2"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    testImplementation "org.robolectric:robolectric:3.3.2"
 }
 
 publish {
diff --git a/ratethisapp/src/main/java/com/kobakei/ratethisapp/RateThisApp.java b/ratethisapp/src/main/java/com/kobakei/ratethisapp/RateThisApp.java
index bd00812..647f485 100644
--- a/ratethisapp/src/main/java/com/kobakei/ratethisapp/RateThisApp.java
+++ b/ratethisapp/src/main/java/com/kobakei/ratethisapp/RateThisApp.java
@@ -30,8 +30,8 @@
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Build;
-import android.support.annotation.StringRes;
-import android.support.v7.app.AlertDialog;
+import androidx.annotation.StringRes;
+import androidx.appcompat.app.AlertDialog;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
diff --git a/sample/build.gradle b/sample/build.gradle
index 00e1ad7..e580c4c 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: "com.android.application"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion "25.0.3"
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
 
     defaultConfig {
-        minSdkVersion 9
-        targetSdkVersion 25
+        minSdkVersion 14
+        targetSdkVersion 29
         versionCode 1
         versionName "1.0.0"
     }
@@ -19,7 +19,7 @@ android {
 }
 
 dependencies {
-    compile project(':ratethisapp')
-    compile 'com.android.support:support-v4:25.3.1'
-    compile 'com.android.support:appcompat-v7:25.3.1'
+    implementation project(':ratethisapp')
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.0'
 }
diff --git a/sample/src/main/java/com/kobakei/ratethisapp/sample/MainActivity.java b/sample/src/main/java/com/kobakei/ratethisapp/sample/MainActivity.java
index 41f92be..9e8516c 100644
--- a/sample/src/main/java/com/kobakei/ratethisapp/sample/MainActivity.java
+++ b/sample/src/main/java/com/kobakei/ratethisapp/sample/MainActivity.java
@@ -16,7 +16,7 @@
 package com.kobakei.ratethisapp.sample;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
+import androidx.appcompat.app.AppCompatActivity;
 import android.view.View;
 import android.widget.Button;
 import android.widget.Toast;