diff --git a/Android/app/app.iml b/Android/app/app.iml
index 94d75a40..efa5b85e 100644
--- a/Android/app/app.iml
+++ b/Android/app/app.iml
@@ -71,8 +71,8 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.0.0/jars" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/23.0.0/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/21.0.0/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.0/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
@@ -88,10 +88,10 @@
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 23 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-v7-23.0.0" level="project" />
-    <orderEntry type="library" exported="" name="support-v4-23.0.0" level="project" />
-    <orderEntry type="library" exported="" name="support-annotations-23.0.0" level="project" />
+    <orderEntry type="library" exported="" name="support-annotations-21.0.0" level="project" />
+    <orderEntry type="library" exported="" name="support-v4-21.0.0" level="project" />
+    <orderEntry type="library" exported="" name="appcompat-v7-21.0.0" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/Android/app/build.gradle b/Android/app/build.gradle
index 8a477395..6c756df2 100644
--- a/Android/app/build.gradle
+++ b/Android/app/build.gradle
@@ -1,8 +1,8 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.0"
+    compileSdkVersion 21
+    buildToolsVersion "21.0.0"
     signingConfigs {
         release {
             storeFile file("release2.keystore")
@@ -26,7 +26,7 @@ android {
     defaultConfig {
         applicationId "org.deadc0de.apple2ix.basic"
         minSdkVersion 10
-        targetSdkVersion 23
+        targetSdkVersion 21
         versionCode 1
         versionName "0.9.2"
         ndk {
@@ -37,5 +37,5 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.0.0'
+    compile 'com.android.support:appcompat-v7:21.0.0'
 }
diff --git a/Android/jni/Application.mk b/Android/jni/Application.mk
index 6e8972fb..268046fc 100644
--- a/Android/jni/Application.mk
+++ b/Android/jni/Application.mk
@@ -1,3 +1,3 @@
 APP_ABI := armeabi armeabi-v7a ## TODO : x86
-APP_PLATFORM := android-23
+APP_PLATFORM := android-21
 APP_STL := gnustl_static
diff --git a/Android/project.properties b/Android/project.properties
index 1625bcca..188dd70b 100644
--- a/Android/project.properties
+++ b/Android/project.properties
@@ -16,4 +16,4 @@ android.library.reference.1=../../../../Android/Sdk/extras/android/support/v7/ap
 
 # Project target.
 ##target=android-10
-target=android-23
+target=android-21