diff --git a/config b/config
index cffe0ac..7a9d25d 100755
--- a/config
+++ b/config
@@ -33,6 +33,8 @@ size="4098"
 #filesystem="xfs"
 filesystem="ext4"
 
+TAR_STAGE4=true
+
 extra_packages+=(
 
 	# application space
diff --git a/vm-sdk b/vm-sdk
index 2fa5fed..53e62e9 160000
--- a/vm-sdk
+++ b/vm-sdk
@@ -1 +1 @@
-Subproject commit 2fa5fed6c20a5aaef3989ed0738822050f1cff1a
+Subproject commit 53e62e9cc6669d595167dbc15dbb797e2ab95656