diff --git a/deco.spec b/deco.spec
index 5175daa..c76f626 100644
--- a/deco.spec
+++ b/deco.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package deco
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
@@ -20,9 +20,8 @@ Name:           deco
 Version:        1.6.4
 Release:        0
 Summary:        Deco Archive File Extractor
-License:        GPL-3.0
-Group:          Productivity/Archiving/Compression
-Url:            https://github.com/peha/deco
+License:        GPL-3.0-only
+URL:            https://github.com/peha/deco
 Source:         https://github.com/peha/deco/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
 Requires:       bzip2
 Requires:       gzip
@@ -55,17 +54,17 @@ strange permissions. 33 archive file extensions are supported out of the box,
 and adding support for others requires very little work.
 
 %prep
-%setup -q
+%autosetup
 
 %build
-make %{?_smp_mflags} CC="cc" CFLAGS="%{optflags}"
+%make_build CC="cc" CFLAGS="%{optflags}"
 
 %install
 %make_install PREFIX="%{_prefix}"
 
 %files
-%defattr(-,root,root)
-%doc LICENSE NEWS README.md
+%license LICENSE
+%doc NEWS README.md
 %{_bindir}/deco
 
 %changelog