diff --git a/ghc-bytestring-nums.spec b/ghc-bytestring-nums.spec
index 067590f..0305d87 100644
--- a/ghc-bytestring-nums.spec
+++ b/ghc-bytestring-nums.spec
@@ -10,19 +10,18 @@
 
 Name:           ghc-%{pkg_name}
 Version:        0.3.2
-Release:        6%{?dist}
+Release:        7%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
 License:        BSD
 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 ppc64
-BuildRequires:  ghc, ghc-doc, ghc-prof
-# macros for building haskell packages
-BuildRequires:  ghc-rpm-macros >= 0.7.3
+ExclusiveArch:  %{ghc_arches}
+BuildRequires:  ghc-Cabal-devel
+BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
+BuildRequires:  ghc-bytestring-nums, ghc-containers-prof
 
 %description
 %{common_description}
@@ -50,6 +49,9 @@ rm -vf %{buildroot}%{_bindir}/spoj-eugene
 
 
 %changelog
+* Fri Jun 24 2011 Jens Petersen <petersen@redhat.com> - 0.3.2-7
+- BR ghc-Cabal-devel instead of ghc-prof and use ghc_arches (cabal2spec-0.23.2)
+
 * Wed May 11 2011 Ben Boeckel <mathstuf@gmail.com> - 0.3.2-6
 - Update to cabal2spec-0.22.7