diff --git a/build.gradle b/build.gradle
index 5f27a57..2fb660d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,9 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
   repositories {
     jcenter()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:0.12.+'
-    // NOTE: Do not place your application dependencies here; they belong
-    // in the individual module build.gradle files
+    classpath 'com.android.tools.build:gradle:1.0.0-rc2'
   }
 }
 
diff --git a/data/build.gradle b/data/build.gradle
index d24b36f..3be035b 100644
--- a/data/build.gradle
+++ b/data/build.gradle
@@ -2,10 +2,9 @@ apply plugin: 'com.android.library'
 
 android {
   compileSdkVersion 19
-  buildToolsVersion '19.1.0'
+  buildToolsVersion '21.1.1'
 
   defaultConfig {
-    applicationId "com.fernandocejas.android10.sample.data"
     minSdkVersion 15
     targetSdkVersion 19
   }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c1874b5..f13b9f2 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Aug 21 01:26:05 CEST 2014
+#Thu Dec 04 23:59:18 CET 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-1.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
diff --git a/presentation/build.gradle b/presentation/build.gradle
index 0ef3452..6a92e38 100644
--- a/presentation/build.gradle
+++ b/presentation/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
   compileSdkVersion 19
-  buildToolsVersion '19.1.0'
+  buildToolsVersion '21.1.1'
 
   defaultConfig {
     applicationId "com.fernandocejas.android10.sample.presentation"
@@ -30,7 +30,6 @@ android {
 
   buildTypes {
     release {
-      runProguard false
       proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
     }
   }