diff --git a/app/app.iml b/app/app.iml
index 97016bb..4bffb70 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -81,7 +81,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 14 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="support-annotations-21.0.2" level="project" />
     <orderEntry type="library" exported="" name="support-v4-21.0.2" level="project" />
diff --git a/app/build.gradle b/app/build.gradle
index 36864f0..5b92431 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 14
+    compileSdkVersion 21
     buildToolsVersion "21.1.1"
 
     defaultConfig {
         applicationId "me.datenknoten.tueroeffner"
-        minSdkVersion 14
-        targetSdkVersion 14
+        minSdkVersion 10
+        targetSdkVersion 21
         versionCode 1
         versionName "1.0"
     }