diff --git a/lustre/autoconf/lustre-version.ac b/lustre/autoconf/lustre-version.ac
index 190c61e31b6ccb90566326e1b67c6b1f3d96cc1d..29d09c20d83a2feed1ddb8cf703b6209e6573e5e 100644
--- a/lustre/autoconf/lustre-version.ac
+++ b/lustre/autoconf/lustre-version.ac
@@ -1,7 +1,7 @@
 m4_define([LUSTRE_MAJOR],[1])
 m4_define([LUSTRE_MINOR],[6])
-m4_define([LUSTRE_PATCH],[3])
-m4_define([LUSTRE_FIX],[50])
+m4_define([LUSTRE_PATCH],[4])
+m4_define([LUSTRE_FIX],[0])
 # Note: we're starting prerelease versions at 50 this time.
 
 dnl # liblustre delta is 0.0.1.32 , next version with fixes is ok, but