diff --git a/build.gradle b/build.gradle
index ed7a1cd..fac3787 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,51 +1,51 @@
+import com.android.builder.core.BuilderConstants
+import org.gradle.api.tasks.wrapper.Wrapper
+
+
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
     }
+
     dependencies {
-        classpath 'com.android.tools.build:gradle:0.12.2'
+        classpath 'com.android.tools.build:gradle:1.0.1'
     }
 }
 
-apply plugin: 'android-library'
-
-repositories {
-}
+apply plugin: 'com.android.library'
 
 android {
     compileSdkVersion 19
     buildToolsVersion "20.0.0"
 
     defaultConfig {
-        applicationId "com.shortcutBadger"
         minSdkVersion 8
-        targetSdkVersion 19
+        targetSdkVersion 21
         versionCode 1
         versionName "1.0"
-    }
-    buildTypes {
-        release {
-            runProguard false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        buildTypes {
+            release {
+                minifyEnabled true
+                proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+            }
         }
     }
-
 }
 
 android.libraryVariants.all { variant ->
-  def name = variant.buildType.name
-  if (name.equals(com.android.builder.core.BuilderConstants.DEBUG)) {
-    return; // Skip debug builds.
-  }
-  def task = project.tasks.create "jar${name.capitalize()}", Jar
-  task.dependsOn variant.javaCompile
-  task.from variant.javaCompile.destinationDir
-  artifacts.add('archives', task);
+    def name = variant.buildType.name
+    if (name.equals(BuilderConstants.DEBUG)) {
+        return; // Skip debug builds.
+    }
+    def task = project.tasks.create "jar${name.capitalize()}", Jar
+    task.dependsOn variant.javaCompile
+    task.from variant.javaCompile.destinationDir
+    artifacts.add('archives', task);
 }
 
 dependencies {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.12'
+    gradleVersion = '2.1.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 0087cd3..2322723 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 f00b444..564e3e6 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Oct 09 19:10:28 MSK 2014
+#Thu Jan 29 16:05:27 MSK 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-1.12-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.1.1-bin.zip
diff --git a/proguard-rules.pro b/proguard-rules.pro
new file mode 100644
index 0000000..9f2333c
--- /dev/null
+++ b/proguard-rules.pro
@@ -0,0 +1,19 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/mik/sdk/android-sdk-linux/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+-dontshrink
\ No newline at end of file