diff --git a/less-429-shell.patch b/less-429-shell.patch
index e8eabb4..5631163 100644
--- a/less-429-shell.patch
+++ b/less-429-shell.patch
@@ -2,20 +2,20 @@ Index: filename.c
 ===================================================================
 --- filename.c.orig
 +++ filename.c
-@@ -585,7 +585,7 @@ shellcmd(cmd)
+@@ -574,7 +574,7 @@ shellcmd(cmd)
  #if HAVE_SHELL
  	char *shell;
  
 -	shell = lgetenv("SHELL");
 +	shell = lgetenv("LESSSHELL");
- 	if (shell != NULL && *shell != '\0')
+ 	if (!isnullenv(shell))
  	{
  		char *scmd;
 Index: less.hlp
 ===================================================================
 --- less.hlp.orig
 +++ less.hlp
-@@ -99,7 +99,7 @@
+@@ -101,7 +101,7 @@
    ___<_n_a_m_e_>             Display the setting of an option, by name.
    +_c_m_d                 Execute the less cmd each time a new file is examined.
  
@@ -28,7 +28,7 @@ Index: less.nro
 ===================================================================
 --- less.nro.orig
 +++ less.nro
-@@ -411,7 +411,7 @@ current file.
+@@ -419,7 +419,7 @@ current file.
  A pound sign (#) is replaced by the name of the previously examined file.
  "!!" repeats the last shell command.
  "!" with no shell command simply invokes a shell.
@@ -37,7 +37,7 @@ Index: less.nro
  or defaults to "sh".
  On MS-DOS and OS/2 systems, the shell is the normal command processor.
  .IP "| <m> shell-command"
-@@ -1732,7 +1732,7 @@ compatible mode.
+@@ -1790,7 +1790,7 @@ compatible mode.
  .IP PATH
  User's search path (used to find a lesskey file
  on MS-DOS and OS/2 systems).
@@ -50,7 +50,7 @@ Index: lsystem.c
 ===================================================================
 --- lsystem.c.orig
 +++ lsystem.c
-@@ -128,7 +128,7 @@ lsystem(cmd, donemsg)
+@@ -133,7 +133,7 @@ lsystem(cmd, donemsg)
  	 */
  #if HAVE_SHELL
  	p = NULL;
diff --git a/less-530.sig b/less-530.sig
deleted file mode 100644
index ca8bc75..0000000
Binary files a/less-530.sig and /dev/null differ
diff --git a/less-530.tar.gz b/less-530.tar.gz
deleted file mode 100644
index 35388d4..0000000
--- a/less-530.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:503f91ab0af4846f34f0444ab71c4b286123f0044a4964f1ae781486c617f2e2
-size 339723
diff --git a/less-551.sig b/less-551.sig
new file mode 100644
index 0000000..7e725fb
Binary files /dev/null and b/less-551.sig differ
diff --git a/less-551.tar.gz b/less-551.tar.gz
new file mode 100644
index 0000000..3d69eaf
--- /dev/null
+++ b/less-551.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ff165275859381a63f19135a8f1f6c5a194d53ec3187f94121ecd8ef0795fe3d
+size 347007
diff --git a/less.changes b/less.changes
index 1716bd3..b39e0e8 100644
--- a/less.changes
+++ b/less.changes
@@ -1,3 +1,20 @@
+-------------------------------------------------------------------
+Sat Sep 21 18:59:37 UTC 2019 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- less 551:
+  * Add --mouse option
+  * Add --wheel-lines option
+  * Add --no-histdups option
+  * Add --save-marks option
+  * Support PCRE2 regular expression library
+  * Redraw screen on SIGWINCH even if screen size doesn't change
+  * Shell-escape filenames in history so they can be used again
+  * Ring bell if user enters invalid long option name
+  * Use PCRE_UTF8 flag for pcre regular expressions when in UTF-8 mode
+  * Don't count lines in initial screen if using -X with -F
+  * Fix bug in v command on empty file
+  * Fix bug in v command when filename contains shell metacharacters
+
 -------------------------------------------------------------------
 Sun Apr 29 09:04:21 UTC 2018 - kstreitova@suse.com
 
diff --git a/less.spec b/less.spec
index f9cd5c9..2d0bb28 100644
--- a/less.spec
+++ b/less.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package less
 #
-# Copyright (c) 2018 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
@@ -12,17 +12,17 @@
 # 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:           less
-Version:        530
+Version:        551
 Release:        0
 Summary:        Text File Browser and Pager Similar to more
 License:        GPL-3.0-or-later OR BSD-2-Clause
 Group:          Productivity/Text/Utilities
-Url:            http://www.greenwoodsoftware.com/less/
+URL:            http://www.greenwoodsoftware.com/less/
 Source:         http://www.greenwoodsoftware.com/less/less-%{version}.tar.gz
 Source1:        README.SUSE
 Source2:        lessopen.sh
@@ -35,8 +35,8 @@ Patch1:         less-429-save_line_position.patch
 Patch2:         less-429-more.patch
 BuildRequires:  automake
 BuildRequires:  ncurses-devel
+BuildRequires:  pkgconfig
 Requires:       file
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 less is a text file browser and pager similar to more. It allows
@@ -81,7 +81,6 @@ install -m 755 lessopen.sh lessclose.sh %{buildroot}/%{_bindir}
 chmod -x LICENSE COPYING NEWS README.SUSE
 
 %files
-%defattr(-, root, root)
 %license LICENSE COPYING
 %doc NEWS README.SUSE
 %{_mandir}/*/*