diff --git a/Makefile b/Makefile
index eba9766938f..80c4908ccb0 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@ USE_DBUS = false
 
 
 ROOT =		udev
-VERSION =	013
+VERSION =	013_bk
 INSTALL_DIR =	/usr/local/bin
 RELEASE_NAME =	$(ROOT)-$(VERSION)
 LOCAL_CFG_DIR =	etc/udev
diff --git a/udev.spec b/udev.spec
index f76ccaa134c..07331807ef7 100644
--- a/udev.spec
+++ b/udev.spec
@@ -23,7 +23,7 @@
 
 Summary: A userspace implementation of devfs
 Name: udev
-Version: 013
+Version: 013_bk
 Release: 1
 License: GPL
 Group: Utilities/System