diff --git a/lustre/autoconf/lustre-version.ac b/lustre/autoconf/lustre-version.ac
index cc91f176f40e00bf133ce524a8fb0e947a6b93cd..556fb9dd07052155be5290658ccee9a999909dce 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],[7])
-m4_define([LUSTRE_PATCH],[90])
-m4_define([LUSTRE_FIX],[1])
+m4_define([LUSTRE_PATCH],[91])
+m4_define([LUSTRE_FIX],[0])
 
 dnl # liblustre delta is 0.0.1.32 , next version with fixes is ok, but
 dnl # after following release candidate/beta would spill this warning already.