Upstream-Status: Inappropriate [configuration]

diff --git a/configure.in b/configure.in
index f5d54fb..c105988 100644
--- a/configure.in
+++ b/configure.in
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.66])
+AC_PREREQ([2.65])
 AC_INIT([libnfsidmap],[0.24],[linux-nfs@vger.kernel.org])
 AC_CONFIG_SRCDIR([nfsidmap.h])
 AC_CONFIG_MACRO_DIR([m4])