diff --git a/configure.ac b/configure.ac
index f31bb48b22..117dd91866 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,8 +4,9 @@ dnl The NM version number
 m4_define([nm_major_version], [0])
 m4_define([nm_minor_version], [9])
 m4_define([nm_micro_version], [1])
+m4_define([nm_nano_version],  [90])
 m4_define([nm_version],
-          [nm_major_version.nm_minor_version.nm_micro_version])
+          [nm_major_version.nm_minor_version.nm_micro_version.nm_nano_version])
 
 AC_INIT([NetworkManager], [nm_version],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=NetworkManager],