diff --git a/cups-filters.spec b/cups-filters.spec
index 1fdc619..7bcaa2e 100644
--- a/cups-filters.spec
+++ b/cups-filters.spec
@@ -1,12 +1,12 @@
 Name:          cups-filters
-Version:       1.28.7
+Version:       1.28.8
 Release:       1mamba
 Summary:       Backends, filters, and other software for the CUPS printing system
 Group:         System/Spooling
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.openprinting.org
+URL:           https://www.openprinting.org
 Source:        http://www.openprinting.org/download/cups-filters/cups-filters-%{version}.tar.xz
 Patch0:        cups-filters-1.10.0-cups-browsed-timeout-stop.patch
 Patch1:        cups-browsed-1.25.5-service-org-cups.patch
@@ -52,7 +52,6 @@ Provides:      foomatic-filters
 Obsoletes:     foomatic-filters
 Requires:      cups >= 2.3.0-2mamba
 %systemd_requires
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 cups-filters contains backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc. In addition it contains additional filters developed independently of Apple, especially filters for the PDF-centric printing workflow introduced by OpenPrinting.
@@ -180,6 +179,9 @@ install -D -m0644 utils/cups-browsed.service %{buildroot}%{_unitdir}/cups-browse
 %{_datadir}/doc/cups-filters/README
 
 %changelog
+* Sat Mar 27 2021 Automatic Build System <autodist@mambasoft.it> 1.28.8-1mamba
+- automatic version update by autodist
+
 * Fri Jan 08 2021 Automatic Build System <autodist@mambasoft.it> 1.28.7-1mamba
 - automatic version update by autodist