diff --git a/default.xml b/default.xml
index a85e30b..5501097 100644
--- a/default.xml
+++ b/default.xml
@@ -3,7 +3,7 @@
 
   <remote  name="aosp"
            fetch=".." />
-  <default revision="refs/tags/android-5.1.1_r3"
+  <default revision="refs/tags/android-5.1.1_r4"
            remote="aosp"
            sync-j="4" />