diff --git a/private/property_contexts b/private/property_contexts
index 3407560..a27b756 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -59,6 +59,8 @@
 persist.vendor.overlay.  u:object_r:overlay_prop:s0
 ro.boot.vendor.overlay.  u:object_r:overlay_prop:s0
 ro.boottime.             u:object_r:boottime_prop:s0
+ro.serialno             u:object_r:serialno_prop:s0
+ro.boot.serialno        u:object_r:serialno_prop:s0
 
 # Boolean property set by system server upon boot indicating
 # if device owner is provisioned.