diff --git a/ghc-colour.spec b/ghc-colour.spec
index 17ba287..c0b864d 100644
--- a/ghc-colour.spec
+++ b/ghc-colour.spec
@@ -13,23 +13,39 @@ color spaces are supported. A module of color names \
 
 Name:           ghc-%{pkg_name}
 Version:        2.3.1
-Release:        9%{?dist}
+Release:        10%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
 License:        MIT
+# BEGIN: cabal2spec-0.24
 URL:            http://hackage.haskell.org/package/%{pkg_name}
 Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{version}/%{pkg_name}-%{version}.tar.gz
 ExclusiveArch:  %{ghc_arches}
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 BuildRequires:  hscolour
-BuildRequires:  ghc-base-prof
+# END: cabal2spec-0.24
 
 %description
 %{common_description}
 
 
+%package -n ghc-%{pkg_name}-devel
+Summary:        Development files for %{common_summary}
+Group:          Development/Libraries
+# BEGIN: cabal2spec-0.24
+%{?ghc_devel_requires}
+Obsoletes:      ghc-%{pkg_name}-prof < %{version}-%{release}
+Provides:       ghc-%{pkg_name}-prof = %{version}-%{release}
+# END: cabal2spec-0.24
+
+%description -n ghc-%{pkg_name}-devel
+%{common_description}
+
+This package contains the development files.
+
+
 %prep
 %setup -q -n %{pkg_name}-%{version}
 
@@ -40,15 +56,29 @@ BuildRequires:  ghc-base-prof
 
 %install
 %ghc_lib_install
-echo "%{_datadir}/%{pkg_name}-%{version}/" >> %{name}.files
 
 
-# define the devel and prof subpkgs, devel post[un] scripts, and filelists:
-# ghc-%%pkg_name{,devel,prof}.files
-%ghc_lib_package
+%post -n ghc-%{pkg_name}-devel
+%ghc_pkg_recache
+
+%postun -n ghc-%{pkg_name}-devel
+%ghc_pkg_recache
+
+
+%if %{undefined ghc_without_shared}
+%files -n ghc-%{pkg_name} -f ghc-%{pkg_name}.files
+%defattr(-,root,root,-)
+%{_datadir}/%{pkg_name}-%{version}/
+%endif
+
+%files -n ghc-%{pkg_name}-devel -f ghc-%{pkg_name}-devel.files
+%defattr(-,root,root,-)
 
 
 %changelog
+* Sat Jul 09 2011 Ben Boeckel <mathstuf@gmail.com> - 2.3.1-10
+- Update to cabal2spec-0.24
+
 * Fri Jun 24 2011 Jens Petersen <petersen@redhat.com> - 2.3.1-9
 - BR ghc-Cabal-devel instead of ghc-prof and use ghc_arches (cabal2spec-0.23.2)