diff --git a/libidn2.spec b/libidn2.spec
index 7cbd63770e87a4f02c25d2c190b37ab92253a261..4b5cf6d489052dcb5b178e0e9fecc3f9e178aaad 100644
--- a/libidn2.spec
+++ b/libidn2.spec
@@ -1,6 +1,6 @@
 Name:           libidn2
 Version:        2.3.2
-Release:        1
+Release:        2
 Summary:        GNU IDN Library
 License:        (GPLv2+ or LGPLv3+) and GPLv3+
 URL:            https://www.gnu.org/software/libidn/#libidn2
@@ -9,7 +9,7 @@ Source0:        https://ftp.gnu.org/gnu/libidn/%{name}-%{version}.tar.gz
 Patch0:         bugfix-libidn2-change-rpath.patch
 
 #Dependency
-BuildRequires:  gcc gettext libunistring-devel autoconf texinfo automake
+BuildRequires:  gcc gettext-devel libunistring-devel autoconf texinfo automake libtool gtk-doc
 Provides:       bundled(gnulib)
 Provides:       idn2
 Obsoletes:      idn2
@@ -33,7 +33,7 @@ Files for %{name} development
 %autosetup -n %{name}-%{version} -p1
 
 %build
-autoreconf
+autoreconf -fi
 %configure --disable-static
 %make_build
 %make_build -C doc html
@@ -75,6 +75,12 @@ make %{?_smp_mflags} -C tests check
 %{_datadir}/gtk-doc/
 
 %changelog
+* Fri Jan 7 2022 wangchen <wangchen137@huawei.com> - 2.3.2-2
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:fix build failure
+
 * Wed Dec 1 2021 wangchen <wangchen137@huawei.com> - 2.3.2-1
 - Type:enhancement
 - ID:NA