diff --git a/libs/README.android-support-v4.txt b/libs/README.android-support-v4.txt
index 466a018c0..795c12276 100644
--- a/libs/README.android-support-v4.txt
+++ b/libs/README.android-support-v4.txt
@@ -1,5 +1,5 @@
-The Android support library v4 is currently at *revision 12* from the Android SDK.
-This reversion was released February 2013.
+The Android support library v4 is currently at *revision 13* from the Android SDK.
+This reversion was released on May 2013.
 
 See NOTICE.android-support-v4.txt for license.
-See http://developer.android.com/tools/extras/support-library.html for further info.
\ No newline at end of file
+See http://developer.android.com/tools/extras/support-library.html for further info.
diff --git a/libs/android-support-v4.jar b/libs/android-support-v4.jar
index 65ebaf8dc..428bdbc02 100644
Binary files a/libs/android-support-v4.jar and b/libs/android-support-v4.jar differ