diff --git a/.idea/libraries/support_v4_21_0_0.xml b/.idea/libraries/support_v4_21_0_0.xml
index ee37424..e2011bd 100755
--- a/.idea/libraries/support_v4_21_0_0.xml
+++ b/.idea/libraries/support_v4_21_0_0.xml
@@ -6,6 +6,8 @@
       <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.0/classes.jar!/" />
     </CLASSES>
     <JAVADOC />
-    <SOURCES />
+    <SOURCES>
+      <root url="jar://C:/Program Files (x86)/Android/android-sdk/extras/android/m2repository/com/android/support/support-v4/21.0.0/support-v4-21.0.0-sources.jar!/" />
+    </SOURCES>
   </library>
 </component>
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index adccfcd..30122c6 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,9 +13,9 @@ android {
     }
     buildTypes {
         release {
-            runProguard false
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            zipAlign true
+            zipAlignEnabled true
         }
     }
     packagingOptions {
diff --git a/build.gradle b/build.gradle
index 6b5ba30..50e899c 100755
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.14.2'
+        classpath 'com.android.tools.build:gradle:1.0.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2c54620..1f67dce 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Dec 17 16:42:48 CET 2014
+#Thu Jan 29 15:23:07 CET 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip