diff --git a/libm4rie.changes b/libm4rie.changes
index 682b427..0a90cdb 100644
--- a/libm4rie.changes
+++ b/libm4rie.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Nov 20 08:02:54 UTC 2011 - werner.ho@gmx.de
+
+- new version 20111004
+
 -------------------------------------------------------------------
 Tue Sep 27 22:16:42 UTC 2011 - jengelh@medozas.de
 
diff --git a/libm4rie.spec b/libm4rie.spec
index c31d6e9..3656e30 100644
--- a/libm4rie.spec
+++ b/libm4rie.spec
@@ -18,7 +18,7 @@
 Name:           libm4rie
 # Note that libm4rie is not always updated in lockstep with libm4ri,
 # and that is absolutely supported.
-%define date	20110715
+%define date	20111004
 %define lname	libm4rie-0_0_%date
 Version:        0.0.%date
 Release:        0
@@ -27,7 +27,7 @@ Summary:	Library for fast linear arithmetic over F_{2^e}
 License:        GPL-2.0+
 URL:            http://m4ri.sagemath.org/
 
-Source:		m4rie-%date.tar.xz
+Source:		m4rie-%date.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:	libm4ri-devel, xz
 
diff --git a/m4rie-20110715.tar.xz b/m4rie-20110715.tar.xz
deleted file mode 100644
index 141a590..0000000
--- a/m4rie-20110715.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4767e78679ff4c9455e2013c0529a5ed31c2f913ebb09048bdb4c8b248d1df4f
-size 241580
diff --git a/m4rie-20111004.tar.bz2 b/m4rie-20111004.tar.bz2
new file mode 100644
index 0000000..e7f846e
--- /dev/null
+++ b/m4rie-20111004.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:711d328f6ec7fcdaf66399417031006b9923c4d876c80a2f5733c44bb563475e
+size 321653