diff --git a/plzip-0.9.tar.gz b/plzip-0.9.tar.gz
deleted file mode 100644
index 31b0644..0000000
--- a/plzip-0.9.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:59cd75bbbd4e5f0372b115d99383158279402dc56dfc7db0b6640ef23e16a1a6
-size 66257
diff --git a/plzip-1.0.tar.lz b/plzip-1.0.tar.lz
new file mode 100644
index 0000000..6572fd7
--- /dev/null
+++ b/plzip-1.0.tar.lz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fe930b704facda9ed551e4270cf80dc2977f848ff7020b74ddb61b02cdfd5beb
+size 53127
diff --git a/plzip-1.0.tar.lz.sig b/plzip-1.0.tar.lz.sig
new file mode 100644
index 0000000..9738555
Binary files /dev/null and b/plzip-1.0.tar.lz.sig differ
diff --git a/plzip.changes b/plzip.changes
index c67c07a..8134b34 100644
--- a/plzip.changes
+++ b/plzip.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Wed Jun  5 21:57:22 UTC 2013 - jengelh@inai.de
+
+- Update to new upstream release 1.0
+* Scalability of compression (max number of useful worker threads)
+  has been increased. Scalability when decompressing from/to
+  regular files has been increased.
+* The number of worker threads is now limited to the number of
+  members in the input file when decompressing from a regular file.
+- Do signature verification
+- Wrap description at 70 cols
+- Remove redundant %clean section
+
 -------------------------------------------------------------------
 Thu Apr 19 00:13:44 UTC 2012 - pascal.bleser@opensuse.org
 
diff --git a/plzip.keyring b/plzip.keyring
new file mode 100644
index 0000000..0aa43e9
--- /dev/null
+++ b/plzip.keyring
@@ -0,0 +1,32 @@
+pub   1024D/132D7742 2003-09-17
+uid                  Antonio Diaz Diaz <antonio@gnu.org>
+uid                  Antonio Diaz <ant_diaz@teleline.es>
+sub   1024g/754578DA 2003-09-17
+
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v2.0.19 (GNU/Linux)
+
+mQGiBD9odIARBADkRI3Qc2qWpoxOFBlD8L5JaQlIEAaPI/19Y/z4ORHESY6s2Tfm
+EtC51vlu8V/hXX8Sh4OZC3CrBIwhvSyIVIXbas+GR09B+8GRsfekRUS7jiwz/FsZ
+Rnb0AjV1zNjJZazjyOUQjBou3Mo1MwiQXzeMQzqLC1xW+ABkAbQnAnZZIwCgvquq
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+FP5oVIETdhQjsxj7/8F8yOONGgnL5Vn1+6sldd0LQ9il4MiZ36VFOec2xAeyYoB1
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+RG/RBe2octjFEFlNAKCMIurPIOzYo20sBAq7kIR9x8qvwQ==
+=pg7M
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/plzip.spec b/plzip.spec
index 6c47218..3a8b8e5 100644
--- a/plzip.spec
+++ b/plzip.spec
@@ -13,30 +13,45 @@
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
 
 Name:           plzip
-Version:        0.9
+Version:        1.0
 Release:        0
 Summary:        Parallel LZMA Data Compressor
-Source:         http://mirrors.zerg.biz/nongnu/lzip/plzip-%{version}.tar.gz
 URL:            http://www.nongnu.org/lzip/plzip.html
 Group:          Productivity/Archiving/Compression
 License:        GPL-3.0+
+
+#Freecode-URL:	http://freecode.com/projects/plzip
+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:  liblz-devel
+BuildRequires:  lzlib-devel lzip
 BuildRequires:  gcc-c++ libstdc++-devel make glibc-devel
+%if 0%{?suse_version} >= 1230
+BuildRequires:  gpg-offline
+%endif
 PreReq:         %install_info_prereq
 
 %description
-Plzip is a parallel version of the lzip data compressor. The files produced by
-plzip are fully compatible with lzip-1.4 or newer. Plzip is intended for faster
-compression/decompression of big files on multiprocessor machines.
+Plzip is a parallel version of the lzip data compressor. The files
+produced by plzip are fully compatible with lzip-1.4 or newer. Plzip
+is intended for faster compression/decompression of big files on
+multiprocessor machines.
 
-Lzip is a lossless data compressor based on the LZMA algorithm, with very safe
-integrity checking and a user interface similar to the one of gzip or bzip2.
-Lzip decompresses almost as fast as gzip and compresses better than bzip2,
-which makes it well suited for software distribution and data archiving. 
+Lzip is a lossless data compressor based on the LZMA algorithm, with
+very safe integrity checking and a user interface similar to the one
+of gzip or bzip2. Lzip decompresses almost as fast as gzip and
+compresses better than bzip2, which makes it well suited for software
+distribution and data archiving.
 
 %prep
+%{?gpg_verify: %gpg_verify %{S:2}}
+%if 0%{?__lzip:1}
 %setup -q
+%else
+tar --use=lzip -xf "%{S:0}"
+%setup -DTq
+%endif
 
 %build
 ./configure \
@@ -61,9 +76,6 @@ which makes it well suited for software distribution and data archiving.
 %check
 %__make check
 
-%clean
-%{?buildroot:%__rm -rf "%{buildroot}"}
-
 %post
 %install_info --info-dir="%{_infodir}" "%{_infodir}/%{name}".info%{ext_info}