diff --git a/.gitignore b/.gitignore
index 7b4aecb..f795929 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /texmath-0.4.tar.gz
+/texmath-0.5.0.1.tar.gz
diff --git a/ghc-texmath.spec b/ghc-texmath.spec
index 2752543..8a1a014 100644
--- a/ghc-texmath.spec
+++ b/ghc-texmath.spec
@@ -6,11 +6,9 @@
 presentation MathML. It supports basic LaTeX and AMS extensions, and it can\
 parse and apply LaTeX macros.
 
-%global ghc_pkg_deps ghc-parsec-devel, ghc-syb-devel, ghc-xml-devel
-
 Name:           ghc-%{pkg_name}
-Version:        0.4
-Release:        6%{?dist}
+Version:        0.5.0.1
+Release:        1%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -18,11 +16,11 @@ License:        GPLv2+
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
 # fedora ghc archs:
-ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9
-BuildRequires:  ghc, ghc-doc, ghc-prof
-BuildRequires:  ghc-rpm-macros >= 0.7.3
+ExclusiveArch:  %{ix86} x86_64 ppc alpha sparcv9 ppc64
+BuildRequires:  ghc-prof
+BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
-%{?ghc_pkg_deps:BuildRequires:  %{ghc_pkg_deps}, %(echo %{ghc_pkg_deps} | sed -e "s/\(ghc-[^, ]\+\)-devel/\1-doc,\1-prof/g")}
+BuildRequires:  ghc-parsec-prof, ghc-syb-prof, ghc-xml-prof
 
 %description
 %{common_description}
@@ -47,6 +45,10 @@ rm -r $RPM_BUILD_ROOT%{_datadir}/%{pkg_name}-%{version}
 
 
 %changelog
+* Sat May 28 2011 Jens Petersen <petersen@redhat.com> - 0.5.0.1-1
+- update to 0.5.0.1
+- update to cabal2spec-0.23: add ppc64
+
 * Thu Mar 10 2011 Fabio M. Di Nitto <fdinitto@redhat.com> - 0.4-6
 - Enable build on sparcv9
 
diff --git a/sources b/sources
index 7f79710..4354a38 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-df56a9500db917b7e0648f24202e6493  texmath-0.4.tar.gz
+a678251586117a3153be03fe7d039cb5  texmath-0.5.0.1.tar.gz