diff --git a/git.spec b/git.spec
index 1abb7e52f88d3e428eed7c9454f205d39aacf5bc..76db3b29501525942eb9d7c8c52a3b9853231941 100644
--- a/git.spec
+++ b/git.spec
@@ -1,7 +1,7 @@
 %global gitexecdir          %{_libexecdir}/git-core
 Name:       git
 Version:    2.27.0
-Release:    16
+Release:    17
 Summary:    A popular and widely used Version Control System
 License:    GPLv2+ or LGPLv2.1
 URL:        https://git-scm.com/
@@ -65,7 +65,7 @@ Patch50:    backport-CVE-2023-29007.patch
 Patch51:    backport-CVE-2023-25815-gettext-avoid-using-gettext-if-the-locale-dir-is-not.patch
 
 BuildRequires: gcc gettext
-BuildRequires: openssl-devel libcurl-devel expat-devel systemd asciidoc xmlto glib2-devel libsecret-devel pcre-devel desktop-file-utils
+BuildRequires: openssl-devel libcurl-devel expat-devel systemd asciidoc xmlto glib2-devel libsecret-devel pcre2-devel desktop-file-utils
 BuildRequires: python3-devel perl-generators perl-interpreter perl-Error perl(Test::More) perl-MailTools perl(Test) gdb
 Requires:      less zlib openssh-clients perl(Term::ReadKey) perl-Git
 Obsoletes:     %{name}-core %{name}-core-doc %{name}-subtree %{name}-p4 git-cvs < %{version}-%{release}
@@ -199,9 +199,9 @@ sed -i '1s@#![ ]*/usr/bin/env python@#!%{__python3}@' \
 %make_build -C contrib/diff-highlight/
 
 %install
-%make_install install-doc
-%make_install -C contrib/subtree/ install-doc
-%make_install -C contrib/contacts/ install-doc
+%make_install %{_smp_mflags} install-doc
+%make_install %{_smp_mflags} -C contrib/subtree/ install-doc
+%make_install %{_smp_mflags} -C contrib/contacts/ install-doc
 
 install -p -m 644 README.md %{buildroot}%{_pkgdocdir}
 install -p -m 644 gitweb/INSTALL %{buildroot}%{_pkgdocdir}/INSTALL.gitweb
@@ -299,6 +299,7 @@ make %{?_smp_mflags} test
 %{gitexecdir}/*email*
 
 %files -n perl-Git -f perl-git-files
+%{_mandir}/man3/Git.*
 
 %files -n perl-Git-SVN -f perl-git-svn-files
 
@@ -307,11 +308,18 @@ make %{?_smp_mflags} test
 %exclude %{_pkgdocdir}/{README.md,*.gitweb}
 %{_pkgdocdir}/*
 %{_mandir}/man1/git*.1.*
-%{_mandir}/man3/Git.*
 %{_mandir}/man5/git*.5.*
 %{_mandir}/man7/git*.7.*
 
 %changelog
+* Thu Apr 27 2023 fuanan <fuanan3@h-partners.com> - 2.27.0-17
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:enable multithreading compilation and installation,
+       move Git.3pm.gz to perl-Git,avoid installation conflicts,
+       change BuildRequires from pcre-devel to pcre2-devel.
+
 * Wed Apr 26 2023 fuanan <fuanan3@h-partners.com> - 2.27.0-16
 - Type:CVE
 - ID:CVE-2023-25652 CVE-2023-29007 CVE-2023-25815