diff --git a/update_engine.rc b/update_engine.rc
index 62bbcc7..88cf120 100644
--- a/update_engine.rc
+++ b/update_engine.rc
@@ -1,5 +1,5 @@
 service update_engine /system/bin/update_engine --logtostderr --foreground
     class late_start
     user root
-    group root system wakelock dbus inet
+    group root system wakelock dbus inet cache
     writepid /dev/cpuset/system-background/tasks