diff --git a/slurm.spec b/slurm.spec
index 918815ed3854262cc60329cd26ef1071389cbc3e..abe87240b9a8b90d002a6f2826f9f592b3a84ff9 100644
--- a/slurm.spec
+++ b/slurm.spec
@@ -1,6 +1,6 @@
 Name:		slurm
 Version:	21.08.8
-%define rel	4
+%define rel	5
 Release:	%{rel}%{?dist}
 Summary:	Slurm Workload Manager
 
@@ -345,9 +345,9 @@ notifies slurm about failed nodes.
 %prep
 # when the rel number is one, the tarball filename does not include it
 %autosetup -n %{slurm_source_dir} -p1
-autoreconf -ivf
 
 %build
+autoreconf -ivf
 %configure \
 	%{?_without_debug:--disable-debug} \
 	%{?_with_pam_dir} \
@@ -710,6 +710,9 @@ rm -rf %{buildroot}
 %systemd_postun_with_restart slurmdbd.service
 
 %changelog
+* Thu Apr 25 2024 Xing Liu <liu.xingb@h3c.com> - 21.08.8-5
+- move autoreconf command from %prep to %build
+
 * Fri Apr 19 2024 Xing Liu <liu.xingb@h3c.com> - 21.08.8-4
 - add pgsql plugin.
 - add BuildRequires: gtk2-devel glib2-devel for autoreconf