diff --git a/arping-2.20.tar.gz b/arping-2.20.tar.gz
deleted file mode 100644
index 3b80d40..0000000
--- a/arping-2.20.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:34e108923cb601ebdc954062d3ff0bdd44d6eff087895af48994398f08025785
-size 179007
diff --git a/arping-2.20.tar.gz.asc b/arping-2.20.tar.gz.asc
deleted file mode 100644
index 7d0ed5e..0000000
--- a/arping-2.20.tar.gz.asc
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEEmQeGmIok9S8cLof2OaSe6kYKAWkFAl1ZM8AACgkQOaSe6kYK
-AWm/tw//aPtF2TyUntDhuA3rHpeELU6EKuN3tddOKbAHiRLzGZNDmc9h4xTy9eRi
-ooRp1rdyKKdkEqTxr6HO9PTGWQD1TvwsVJh7Is4LNQAJPTOAxHsG8eXz2RBYkyKx
-BNE5D0h4Hg0MTLfbdhyUdcBbYIib0pftvmsa161JQPtz++nvHQVLD+E/9g0uqkmM
-Bfznycm5pkXir0m2ADrpPtiRc9X75pRS+rrMc6Onqvg2mR3n1qo7s/LeYQpUXRyQ
-0JK043wP53/TtjvlbXTchlwRNM1XFpSAXIarrtqOel7DOgizDXxqFFUj5lto0/R+
-6uEFnFSa0GWupU9h1fi3UML219gQ0umU5+LdJelcg/G4d07FKAfaBFZ9KJ0OdlMx
-q/zq7h9SjImxxztFZsxdikhaLlLxxS9yopgrh3acqTTdzdJdrjEMk34ESnGUiNj8
-jQ8b0P08IYwrt++Te75/t0Znp5+7Uis0mZyMwl9pEr3Et/imqS60zjF2t3qOFNut
-Y+fzpXlhz1uKDMVM9oNBxEkLxHxoccKB/Q3liNwfNh8oyJYwrD5Dl5SlQ9lQCF1g
-iamhmKDSreTx/2B66LyWs38u7u/ySJbTQyW9lxkDOdB/zH6v9mrR2MlfqImKOGlG
-AMFHQa7g9A+v2VDFvNSHwz4BS8Z6TDjmmklYFfmx32QxmdGXriI=
-=5zuC
------END PGP SIGNATURE-----
diff --git a/arping-2.21.tar.gz b/arping-2.21.tar.gz
new file mode 100644
index 0000000..c41ccf8
--- /dev/null
+++ b/arping-2.21.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b6566d838c5b68d6929620057dff63cf0ec9d40b04a2d842818cb94d7e209b0
+size 181039
diff --git a/arping-2.21.tar.gz.asc b/arping-2.21.tar.gz.asc
new file mode 100644
index 0000000..5a2a5b2
--- /dev/null
+++ b/arping-2.21.tar.gz.asc
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=7It6
+-----END PGP SIGNATURE-----
diff --git a/arping2.changes b/arping2.changes
index a97b08e..1f1618c 100644
--- a/arping2.changes
+++ b/arping2.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu Jul 30 21:02:18 UTC 2020 - Matthias Eliasson <elimat@opensuse.org>
+
+- Update to version 2.21 
+  * Use more modern pcap API calls, when available
+  * Add payload data to mac ping
+  * chdir(/) after chroot()
+  * Misc minor cleanup
+- Run spec-cleaner
+
 -------------------------------------------------------------------
 Wed Aug 21 20:23:50 UTC 2019 - Benoît Monin <benoit.monin@gmx.fr>
 
diff --git a/arping2.spec b/arping2.spec
index f1338d5..3599979 100644
--- a/arping2.spec
+++ b/arping2.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package arping2
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,19 +17,17 @@
 
 
 Name:           arping2
-Version:        2.20
+Version:        2.21
 Release:        0
 Summary:        Layer-2 Ethernet pinger
 License:        GPL-2.0-or-later
 Group:          Productivity/Networking/Diagnostic
-Url:            http://www.habets.pp.se/synscan/programs.php?prog=arping
-
+URL:            http://www.habets.pp.se/synscan/programs.php?prog=arping
 #Git-Clone:	git://github.com/ThomasHabets/arping
 Source0:        http://www.habets.pp.se/synscan/files/arping-%version.tar.gz
 Source1:        http://www.habets.pp.se/synscan/files/arping-%version.tar.gz.asc
 Source2:        %name.keyring
 Patch1:         arping-setgroups.diff
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  libnet-devel
 BuildRequires:  libpcap-devel
 
@@ -39,22 +37,20 @@ Arping is a util to find out it a specific IP address on the LAN is
 unrouted networks and with ICMP-blocking hosts.
 
 %prep
-%setup -n arping-%version
-%patch -P 1 -p1
+%autosetup -n arping-%version -p1
 
 %build
 %configure
-make %{?_smp_mflags}
+%make_build
 
 %install
-b="%buildroot";
+b="%buildroot"
 %make_install
 # Avoid collision with iputils's inferior arping.
-mv "$b/%_sbindir"/{arping,%name};
-mv "$b/%_mandir/man8"/{arping.8,%name.8};
+mv "$b/%_sbindir/arping" "$b/%_sbindir/%name"
+mv "$b/%_mandir/man8/arping.8" "$b/%_mandir/man8/arping2.8"
 
 %files
-%defattr(-,root,root)
 %_sbindir/arping2
 %_mandir/man8/arping2.8*
 %doc README