diff --git a/app/app-release.apk b/app/app-release.apk
index 2dbef06..c008e0b 100644
Binary files a/app/app-release.apk and b/app/app-release.apk differ
diff --git a/app/app.iml b/app/app.iml
index 5ee551c..9cf8f73 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -59,11 +59,12 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 19 Platform" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="appcompat-v7-19.0.0" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-21.0.2" level="project" />
+    <orderEntry type="library" exported="" name="support-v4-21.0.2" level="project" />
     <orderEntry type="library" exported="" name="androidasync-1.3.7" level="project" />
-    <orderEntry type="library" exported="" name="support-v4-19.0.0" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-21.0.2" level="project" />
   </component>
 </module>
 
diff --git a/app/build.gradle b/app/build.gradle
index 4abe0d8..6e69d86 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 19
-    buildToolsVersion '19.1.0'
+    compileSdkVersion 21
+    buildToolsVersion '21.1.1'
 
     defaultConfig {
         applicationId "com.kaiserapps.benkaiser.nodemusicsyncforandroid"
         minSdkVersion 8
-        targetSdkVersion 19
+        targetSdkVersion 21
         versionCode 1
         versionName "1.0"
     }
@@ -22,5 +22,5 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile files('libs/androidasync-1.3.7.jar')
-    compile 'com.android.support:appcompat-v7:19.+'
+    compile 'com.android.support:appcompat-v7:21.+'
 }