diff --git a/sgml-common.spec b/sgml-common.spec
index f2923d7..b9ea865 100644
--- a/sgml-common.spec
+++ b/sgml-common.spec
@@ -2,7 +2,7 @@
 
 Name: sgml-common
 Version: 0.6.3
-Release: 55%{?dist}
+Release: 56%{?dist}
 
 Summary: Common SGML catalog and DTD files
 
@@ -13,9 +13,9 @@ BuildArch: noarch
 #Actually - there is no homepage of this project, on that URL
 #page you could get complete ISO 8879 listing as was on the
 #old page - only part of it is included in sgml-common package.
-URL: http://www.w3.org/2003/entities/
+URL: https://www.w3.org/2003/entities/
 
-Source0: ftp://sources.redhat.com/pub/docbook-tools/new-trials/SOURCES/%{name}-%{version}.tgz
+Source0: https://www.sourceware.org/pub/docbook-tools/new-trials/SOURCES/%{name}-%{version}.tgz
 # Following 4 from openjade/pubtext - same maintainer as in SGML-common, so up2date:
 Source1: xml.dcl
 Source2: xml.soc
@@ -32,6 +32,7 @@ Patch0: sgml-common-umask.patch
 Patch1: sgml-common-xmldir.patch
 Patch2: sgml-common-quotes.patch
 
+BuildRequires: make
 BuildRequires: libxml2
 BuildRequires: automake
 Requires: %{_bindir}/basename
@@ -69,8 +70,7 @@ done
 %configure
 
 %install
-rm -rf $RPM_BUILD_ROOT
-make install DESTDIR="$RPM_BUILD_ROOT" htmldir='%{_datadir}/doc' INSTALL='install -p'
+%make_install htmldir='%{_datadir}/doc'
 mkdir $RPM_BUILD_ROOT%{_sysconfdir}/xml
 mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/sgml/docbook
 mkdir -p $RPM_BUILD_ROOT%{_datadir}/sgml/docbook
@@ -195,6 +195,9 @@ fi
 %{_datadir}/xml/datatypes.dtd
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.3-56
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Wed Jul 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.6.3-55
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild