diff --git a/rpm.spec b/rpm.spec
index 9c0b3dd..0b1dc0f 100644
--- a/rpm.spec
+++ b/rpm.spec
@@ -1,6 +1,6 @@
 Name:          rpm
 Version:       4.15.1
-Release:       32
+Release:       33
 Summary:       RPM Package Manager
 License:       GPLv2+
 URL:           http://www.rpm.org/
@@ -91,12 +91,12 @@ Patch77: backport-0001-CVE-2021-3521.patch
 Patch78: backport-0002-CVE-2021-3521.patch
 Patch79: backport-0003-CVE-2021-3521.patch
 
-BuildRequires: gcc autoconf automake libtool make gawk popt-devel openssl-devel readline-devel 
+BuildRequires: gcc autoconf automake libtool make gawk popt-devel openssl-devel readline-devel libdb-devel
 BuildRequires: zlib-devel libzstd-devel xz-devel bzip2-devel libarchive-devel ima-evm-utils-devel
 BuildRequires: dbus-devel fakechroot elfutils-devel elfutils-libelf-devel ima-evm-utils
 BuildRequires: lua-devel libcap-devel libacl-devel libselinux-devel file-devel gettext-devel ncurses-devel
 BuildRequires: system-rpm-config gdb dwz setup
-Requires:      coreutils popt curl zstd libcap gnupg2 crontabs logrotate
+Requires:      coreutils popt curl zstd libcap gnupg2 crontabs logrotate libdb-utils
 Obsoletes:     %{name}-build-libs %{name}-sign-libs %{name}-sign %{name}-cron
 Provides:      %{name}-build-libs %{name}-sign-libs %{name}-sign %{name}-cron
 Obsoletes:     %{name}-plugin-selinux %{name}-plugin-syslog %{name}-plugin-systemd-inhibit < 4.15.1-28 %{name}-plugin-ima %{name}-plugin-prioreset
@@ -183,7 +183,6 @@ Obsoletes: apidocs
 %autosetup -n %{name}-%{version} -p1
 
 sed -ie 's:^python test:python2 test:g' tests/rpmtests tests/local.at
-sed -i -e "/_db_backend/ s/ bdb/ ndb/g" macros.in
 
 %build
 CPPFLAGS="$CPPFLAGS -DLUA_COMPAT_APIINTCASTS"
@@ -211,9 +210,6 @@ done;
     --with-selinux \
     --with-cap \
     --with-acl \
-    --enable-ndb \
-    --enable-bdb-ro \
-    --enable-bdb=no \
     --with-imaevm \
     --enable-zstd \
     --enable-python \
@@ -247,8 +243,14 @@ mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/rpm
 mkdir -p $RPM_BUILD_ROOT%{_rpmconfigdir}/macros.d
 mkdir -p $RPM_BUILD_ROOT/var/lib/rpm
 
-./rpmdb --define "_db_backend ndb" --dbpath=${PWD}/ndb --initdb
-cp -va ndb/. $RPM_BUILD_ROOT/var/lib/rpm/
+for dbi in \
+    Basenames Conflictname Dirnames Group Installtid Name Obsoletename \
+    Packages Providename Requirename Triggername Sha1header Sigmd5 \
+    __db.001 __db.002 __db.003 __db.004 __db.005 __db.006 __db.007 \
+    __db.008 __db.009
+do
+    touch $RPM_BUILD_ROOT/var/lib/rpm/$dbi
+done
 
 #./rpmdb --dbpath=$RPM_BUILD_ROOT/var/lib/rpm --initdb
 
@@ -276,19 +278,6 @@ make check || (cat tests/rpmtests.log; exit 0)
 
 %postun libs -p /sbin/ldconfig
 
-%posttrans
-{
-    dbpath=$(rpm -E %{_dbpath})
-    while [ -e ${dbpath}/Packages ]; do
-        date >> /var/log/rebuilddb.log 2>&1
-        rpmdb -vvv --rebuilddb >> /var/log/rebuilddb.log 2>&1
-        if [ $? -ne 0 ];then
-            echo "Automatic conversion db failed. Please run 'rpmdb --rebuilddb' manually." >> /var/log/rebuilddb.log
-            exit 1
-        fi
-    done
-} &
-
 %files -f %{name}.lang
 %defattr(-,root,root)
 %license COPYING
@@ -298,8 +287,7 @@ make check || (cat tests/rpmtests.log; exit 0)
 %config(noreplace) %{_sysconfdir}/logrotate.d/rpm
 %dir %{_sysconfdir}/rpm
 %dir /var/lib/rpm
-%attr(0644, root, root) %ghost %config(missingok,noreplace) /var/lib/rpm/*
-%attr(0644, root, root) %ghost /var/lib/rpm/.*.lock
+%attr(0644, root, root) %verify(not md5 size mtime) %ghost %config(missingok,noreplace) /var/lib/rpm/*
 %lang(fr) %{_mandir}/fr/man[18]/*.[18]*
 %lang(ko) %{_mandir}/ko/man[18]/*.[18]*
 %lang(ja) %{_mandir}/ja/man[18]/*.[18]*
@@ -385,6 +373,12 @@ make check || (cat tests/rpmtests.log; exit 0)
 %{_mandir}/man1/gendiff.1*
 
 %changelog
+* Wed Nov 24 2021 licunlong <licunlong1@huawei.com> - 4.15.1-33
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:use bdb as backend db.
+
 * Sat Nov 20 2021 renhongxun <renhongxun@huawei.com> - 4.15.1-32
 - Type:bugfix
 - ID:NA