diff --git a/cflow-1.5.tar.xz b/cflow-1.5.tar.xz
deleted file mode 100644
index 06d5d94..0000000
--- a/cflow-1.5.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a33a89303b4cfbf7135589f15123f451ee79f69260f0c7f32d387b40e4967dfe
-size 637172
diff --git a/cflow-1.5.tar.xz.sig b/cflow-1.5.tar.xz.sig
deleted file mode 100644
index d75bc80..0000000
--- a/cflow-1.5.tar.xz.sig
+++ /dev/null
@@ -1,7 +0,0 @@
------BEGIN PGP SIGNATURE-----
-Version: GnuPG v1.4.15 (GNU/Linux)
-
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-GwYAn0xBE1JTw60iKzvuaegJGwIP9nM9
-=w3+x
------END PGP SIGNATURE-----
diff --git a/cflow-1.6.tar.xz b/cflow-1.6.tar.xz
new file mode 100644
index 0000000..9f60f99
--- /dev/null
+++ b/cflow-1.6.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d5392a6d8a63ba2f41df9f88b51f97bc0452c5262762a3c27e0412a6c03c06db
+size 679760
diff --git a/cflow-1.6.tar.xz.sig b/cflow-1.6.tar.xz.sig
new file mode 100644
index 0000000..eed3090
--- /dev/null
+++ b/cflow-1.6.tar.xz.sig
@@ -0,0 +1,7 @@
+-----BEGIN PGP SIGNATURE-----
+
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+Yl3v9eYZU8I1F29ytw2UeQ==
+=XWT/
+-----END PGP SIGNATURE-----
diff --git a/cflow.changes b/cflow.changes
index 5b8fbbf..1914b04 100644
--- a/cflow.changes
+++ b/cflow.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Wed Jun 19 09:26:16 UTC 2019 - Martin Pluskal <mpluskal@suse.com>
+
+- Update license information
+
+-------------------------------------------------------------------
+Mon Feb 25 08:05:15 UTC 2019 - Martin Pluskal <mpluskal@suse.com>
+
+- Modernise spec file with spec-cleaner
+
+-------------------------------------------------------------------
+Sat Feb 23 19:41:30 UTC 2019 - seanlew@opensuse.org
+
+- Update to version 1.6:
+  * New option --all (-A)
+  * New option --no-main
+
 -------------------------------------------------------------------
 Wed May 18 17:35:02 UTC 2016 - mpluskal@suse.com
 
diff --git a/cflow.spec b/cflow.spec
index a199059..0b428f0 100644
--- a/cflow.spec
+++ b/cflow.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package cflow
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -12,25 +12,23 @@
 # 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/
 #
 
 
 Name:           cflow
-Version:        1.5
+Version:        1.6
 Release:        0
 Summary:        Tool to generate flowcharts for C sources
-License:        GPL-3.0
+License:        GPL-3.0-or-later
 Group:          Development/Tools/Other
-Url:            http://www.gnu.org/software/cflow
-Source0:        https://ftp.gnu.org/gnu/cflow/cflow-1.5.tar.xz
-Source1:        https://ftp.gnu.org/gnu/cflow/cflow-1.5.tar.xz.sig
+URL:            http://www.gnu.org/software/cflow
+Source0:        https://ftp.gnu.org/gnu/cflow/cflow-1.6.tar.xz
+Source1:        https://ftp.gnu.org/gnu/cflow/cflow-1.6.tar.xz.sig
 Source2:        %{name}.keyring
 BuildRequires:  flex
-BuildRequires:  xz
 Requires(post): %{install_info_prereq}
 Requires(preun): %{install_info_prereq}
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 GNU cflow analyzes a collection of C source files and prints a graph, charting
@@ -61,10 +59,10 @@ make %{?_smp_mflags} check
 %install_info_delete --info-dir=%{_infodir} %{_infodir}/%{name}.info%{ext_info}
 
 %files -f %{name}.lang
-%defattr(-,root,root)
-%doc NEWS README COPYING AUTHORS
+%license COPYING
+%doc NEWS README AUTHORS
 %{_bindir}/%{name}
-%{_infodir}/%{name}.info%{ext_info}
-%{_mandir}/man1/%{name}.1%{ext_man}
+%{_infodir}/%{name}.info%{?ext_info}
+%{_mandir}/man1/%{name}.1%{?ext_man}
 
 %changelog