diff --git a/libs/android-support-v4.jar b/libs/android-support-v4.jar
index 187bdf48b..ac4181fca 100644
Binary files a/libs/android-support-v4.jar and b/libs/android-support-v4.jar differ
diff --git a/libs/android-support-v4.jar.README b/libs/android-support-v4.jar.README
index f1fb7995c..bcdfce018 100644
--- a/libs/android-support-v4.jar.README
+++ b/libs/android-support-v4.jar.README
@@ -1,5 +1,5 @@
-The Android support library v4 is currently at *revision 19.1* from the Android SDK.
-This reversion was released on March 2014.
+The Android support library v4 is currently at *revision 21.0.1* from the Android SDK.
+This reversion was released on October 2014.
 
 See NOTICE.android-support-v4.txt for license.
 See http://developer.android.com/tools/extras/support-library.html for further info.