diff --git a/app/build.gradle b/app/build.gradle
index 8aadcea..3af6d52 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,15 +1,14 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 24
-    buildToolsVersion '24.0.3'
-
+    compileSdkVersion 27
     defaultConfig {
-        applicationId 'com.antonioleiva.androidmvp'
-        minSdkVersion 16
-        targetSdkVersion 24
+        applicationId "antonioleiva.com.test"
+        minSdkVersion 21
+        targetSdkVersion 27
         versionCode 1
-        versionName '1.0'
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
         release {
@@ -20,6 +19,6 @@ android {
 }
 
 dependencies {
-    testCompile 'junit:junit:4.12'
-    testCompile 'org.mockito:mockito-core:2.0.90-beta'
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.mockito:mockito-core:2.15.0'
 }
diff --git a/app/src/main/java/com/antonioleiva/mvpexample/app/Login/LoginActivity.java b/app/src/main/java/com/antonioleiva/mvpexample/app/Login/LoginActivity.java
index e618bb1..e07a53f 100644
--- a/app/src/main/java/com/antonioleiva/mvpexample/app/Login/LoginActivity.java
+++ b/app/src/main/java/com/antonioleiva/mvpexample/app/Login/LoginActivity.java
@@ -39,9 +39,9 @@ public class LoginActivity extends Activity implements LoginView, View.OnClickLi
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_login);
 
-        progressBar = (ProgressBar) findViewById(R.id.progress);
-        username = (EditText) findViewById(R.id.username);
-        password = (EditText) findViewById(R.id.password);
+        progressBar = findViewById(R.id.progress);
+        username = findViewById(R.id.username);
+        password = findViewById(R.id.password);
         findViewById(R.id.button).setOnClickListener(this);
 
         presenter = new LoginPresenterImpl(this,new LoginInteractorImpl());
diff --git a/app/src/main/java/com/antonioleiva/mvpexample/app/main/MainActivity.java b/app/src/main/java/com/antonioleiva/mvpexample/app/main/MainActivity.java
index d647d72..27e37dd 100644
--- a/app/src/main/java/com/antonioleiva/mvpexample/app/main/MainActivity.java
+++ b/app/src/main/java/com/antonioleiva/mvpexample/app/main/MainActivity.java
@@ -42,9 +42,9 @@ public class MainActivity extends Activity implements MainView, AdapterView.OnIt
     @Override protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        listView = (ListView) findViewById(R.id.list);
+        listView = findViewById(R.id.list);
         listView.setOnItemClickListener(this);
-        progressBar = (ProgressBar) findViewById(R.id.progress);
+        progressBar = findViewById(R.id.progress);
         presenter = new MainPresenterImpl(this, new FindItemsInteractorImpl());
     }
 
diff --git a/build.gradle b/build.gradle
index 6f8f324..b92e5f5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,14 +1,23 @@
 buildscript {
     repositories {
-        mavenCentral()
+        google()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.2'
+        classpath 'com.android.tools.build:gradle:3.1.3'
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
     }
 }
 
 allprojects {
     repositories {
-        mavenCentral()
+        google()
+        jcenter()
     }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 7830870..e9a61d8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sat Jun 28 10:58:27 CEST 2014
+#Sat Jan 13 09:12:34 PST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4.1-all.zip
\ No newline at end of file