diff --git a/.gitignore b/.gitignore
index bec3ed2..8912f4b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/mpfr-3.1.0.tar.xz
+/mpfr-3.1.1.tar.xz
diff --git a/mpfr.spec b/mpfr.spec
index 797c428..85d2333 100644
--- a/mpfr.spec
+++ b/mpfr.spec
@@ -1,13 +1,12 @@
 Summary: A C library for multiple-precision floating-point computations
 Name: mpfr
-Version: 3.1.0
-Release: 3%{?dist}
+Version: 3.1.1
+Release: 1%{?dist}
 URL: http://www.mpfr.org/
 Source0: http://www.mpfr.org/mpfr-current/%{name}-%{version}.tar.xz
 # GFDL  (mpfr.texi, mpfr.info and fdl.texi)
 License: LGPLv3+ and GPLv3+ and GFDL
 Group: System Environment/Libraries
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: autoconf libtool gmp-devel
 Requires(post): /sbin/ldconfig
 Requires(postun): /sbin/ldconfig
@@ -40,12 +39,10 @@ install the mpfr package.
 %setup -q
 
 %build
-
 %configure --disable-assert
 make %{?_smp_mflags}
 
 %install
-rm -rf $RPM_BUILD_ROOT
 iconv  -f iso-8859-1 -t utf-8 doc/mpfr.info > doc/mpfr.info.aux
 mv doc/mpfr.info.aux doc/mpfr.info
 make install DESTDIR=$RPM_BUILD_ROOT
@@ -75,9 +72,6 @@ if [ "$1" = 0 ]; then
     fi
 fi
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 %files
 %defattr(-,root,root,-)
 %doc COPYING COPYING.LESSER NEWS README
@@ -90,6 +84,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_infodir}/mpfr.info*
 
 %changelog
+* Thu Jul 26 2012 Peter Schiffer <pschiffe@redhat.com> - 3.1.1-1
+- resolves: #837563
+  update to 3.1.1
+
 * Fri Jul 20 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.1.0-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
 
diff --git a/sources b/sources
index 0fdd134..08fcc48 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-6e495841bb026481567006cec0f821c3  mpfr-3.1.0.tar.xz
+91d51c41fcf2799e4ee7a7126fc95c17  mpfr-3.1.1.tar.xz