diff --git a/lyx-1.5.1.tar.bz2 b/lyx-1.5.1.tar.bz2
deleted file mode 100644
index 20c40ac..0000000
--- a/lyx-1.5.1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d720ff082ed29d385c52e7ad370499d23275e595e9d7a321b383609f68acf23e
-size 7823886
diff --git a/lyx-1.5.3.diff b/lyx-1.5.3.diff
new file mode 100644
index 0000000..52a4542
--- /dev/null
+++ b/lyx-1.5.3.diff
@@ -0,0 +1,10 @@
+--- src/support/lyxsum.cpp.orig	2008-01-12 18:10:41.000000000 +0100
++++ src/support/lyxsum.cpp	2008-01-12 18:11:17.000000000 +0100
+@@ -41,6 +41,7 @@ template struct boost::detail::crc_table
+ 
+ // Make sure we get modern version of mmap and friends with void*,
+ // not `compatibility' version with caddr_t.
++#undef _POSIX_C_SOURCE
+ #define _POSIX_C_SOURCE 199506L
+ 
+ #ifdef HAVE_SYS_TYPES_H
diff --git a/lyx-1.5.3.tar.bz2 b/lyx-1.5.3.tar.bz2
new file mode 100644
index 0000000..346a9f1
--- /dev/null
+++ b/lyx-1.5.3.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b6d051f243e5595bf8fb56a57ece1b77049d4745bfc3473e2f120b933a41de0
+size 8743035
diff --git a/lyx.changes b/lyx.changes
index 76c11ae..f970acd 100644
--- a/lyx.changes
+++ b/lyx.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Jan 12 18:39:52 CET 2008 - coolo@suse.de
+
+- update to 1.5.3 release: various UI improvements
+  * see http://www.lyx.org/announce/1_5_3.txt
+
 -------------------------------------------------------------------
 Sun Aug  5 05:31:37 CEST 2007 - stbinner@suse.de
 
diff --git a/lyx.spec b/lyx.spec
index a2cab7b..b826571 100644
--- a/lyx.spec
+++ b/lyx.spec
@@ -1,7 +1,7 @@
 #
-# spec file for package lyx (Version 1.5.1)
+# spec file for package lyx (Version 1.5.3)
 #
-# Copyright (c) 2007 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2008 SUSE LINUX Products GmbH, Nuernberg, Germany.
 # This file and all modifications and additions to the pristine
 # package are under the same license as the package itself.
 #
@@ -18,18 +18,19 @@ BuildRequires:  texlive-devel texlive-latex
 %else
 BuildRequires:  te_latex tetex
 %endif
-License:        LGPL v2 or later
+License:        LGPL v2.1 or later
 Group:          Productivity/Publishing/TeX/Frontends
 Requires:       texlive-latex ImageMagick free-ttf-fonts
-Autoreqprov:    on
-Version:        1.5.1
+AutoReqProv:    on
+Version:        1.5.3
 Release:        1
 Summary:        LaTeX-Based WYSIWYG Editor
-URL:            http://www.lyx.org/
+Url:            http://www.lyx.org/
 Source:         lyx-%{version}.tar.bz2
 Source1:        lyx.desktop
 Source2:        lyx.png
 Patch:          strict-aliasing-punning.diff
+Patch1:         lyx-1.5.3.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -48,6 +49,7 @@ Authors:
 %prep
 %setup -q -n %{name}-%{version}
 %patch
+%patch1
 
 %build
 %{?suse_update_config:%{suse_update_config -f config}}
@@ -104,6 +106,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc %{_mandir}/man1/tex2lyx.1.gz
 
 %changelog
+* Sat Jan 12 2008 - coolo@suse.de
+- update to 1.5.3 release: various UI improvements
+  * see http://www.lyx.org/announce/1_5_3.txt
 * Sun Aug 05 2007 - stbinner@suse.de
 - update to 1.5.1 release: several bugs and crashes fixed
 * Sat Aug 04 2007 - stbinner@suse.de