diff --git a/lzlib-1.4.tar.lz b/lzlib-1.4.tar.lz
deleted file mode 100644
index 6420c4e..0000000
--- a/lzlib-1.4.tar.lz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a6e7c5e84b49f66fa794867f6839f69cbd908816a12ec154849c4a70b02fdf30
-size 80397
diff --git a/lzlib-1.4.tar.lz.sig b/lzlib-1.4.tar.lz.sig
deleted file mode 100644
index 45a403e..0000000
Binary files a/lzlib-1.4.tar.lz.sig and /dev/null differ
diff --git a/lzlib-1.5.tar.lz b/lzlib-1.5.tar.lz
new file mode 100644
index 0000000..db35a54
--- /dev/null
+++ b/lzlib-1.5.tar.lz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b9614eae1448107ec0a16c3c77ab172b815d2c07532c7231155679947419a1c
+size 80651
diff --git a/lzlib-1.5.tar.lz.sig b/lzlib-1.5.tar.lz.sig
new file mode 100644
index 0000000..8444c88
Binary files /dev/null and b/lzlib-1.5.tar.lz.sig differ
diff --git a/lzlib.changes b/lzlib.changes
index 2507f76..e8362f5 100644
--- a/lzlib.changes
+++ b/lzlib.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Sun Sep 29 20:41:45 UTC 2013 - jengelh@inai.de
+
+- Update to new upstream release 1.5
+* Decompression support for deprecated version 0 files has been
+  removed.
+* A bug has been fixed that would make an instance of
+  "struct LZ_Encoder" unresponsive if "LZ_compress_sync_flush" were
+  called at the wrong moment.
+
 -------------------------------------------------------------------
 Wed Jun  5 21:42:17 UTC 2013 - jengelh@inai.de
 
diff --git a/lzlib.spec b/lzlib.spec
index 56b3e80..80da620 100644
--- a/lzlib.spec
+++ b/lzlib.spec
@@ -1,5 +1,8 @@
 # vim: set ts=4 sw=4 et:
-
+#
+# spec file for package lzlib
+#
+# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
 # Copyright (c) 2012 Pascal Bleser <pascal.bleser@opensuse.org>
 #
 # All modifications and additions to the file contributed by third parties
@@ -11,23 +14,30 @@
 # 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 http://bugs.opensuse.org/
 
 Name:           lzlib
-Version:        1.4
-%define soname 1
+Version:        1.5
 Release:        0
+%define soname 1
 Summary:        LZMA Compression and Decompression Library
-URL:            http://www.nongnu.org/lzip/lzlib.html
-Group:          Development/Libraries/C and C++
 License:        GPL-3.0+
+Group:          Development/Libraries/C and C++
+Url:            http://www.nongnu.org/lzip/lzlib.html
 
 #Freecode-URL:	http://freecode.com/projects/lzlib
 Source:         http://download-mirror.savannah.gnu.org/releases/lzip/%name-%version.tar.lz
 Source2:        http://download-mirror.savannah.gnu.org/releases/lzip/%name-%version.tar.lz.sig
 Source3:        %name.keyring
-BuildRoot:      %{_tmppath}/build-%{name}-%{version}
-BuildRequires:  gcc make glibc-devel lzip
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  gcc
+BuildRequires:  glibc-devel
+BuildRequires:  lzip
+BuildRequires:  make
 %if 0%{?suse_version} >= 1230
 BuildRequires:  gpg-offline
 %endif
@@ -53,8 +63,8 @@ the lzip format.
 Summary:        LZMA Compression and Decompression Library
 Group:          Development/Libraries/C and C++
 Requires:       liblz%{soname} = %{version}
-Obsoletes:	lzlib-devel < %version-%release
-Provides:	lzlib-devel = %version-%release
+Obsoletes:      lzlib-devel < %version-%release
+Provides:       lzlib-devel = %version-%release
 
 %description devel
 The lzlib compression library provides in-memory LZMA compression and