diff --git a/ghc-colour.spec b/ghc-colour.spec
index b259945..65b029d 100644
--- a/ghc-colour.spec
+++ b/ghc-colour.spec
@@ -1,18 +1,11 @@
 # https://fedoraproject.org/wiki/Packaging:Haskell
-# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
 %global pkg_name colour
 
-%global common_summary A model for human color perception
-
-%global common_description This package provides a data type for colors and transparency.\
-Colors can be blended and composed. Various color spaces are supported.\
-A module of color names ("Data.Colour.Names") is provided.
-
 Name:           ghc-%{pkg_name}
 Version:        2.3.3
-Release:        5%{?dist}
-Summary:        %{common_summary}
+Release:        6%{?dist}
+Summary:        A model for human color perception
 
 License:        MIT
 URL:            http://hackage.haskell.org/package/%{pkg_name}
@@ -20,11 +13,22 @@ Source0:        http://hackage.haskell.org/packages/archive/%{pkg_name}/%{versio
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
-# Begin cabal-rpm deps:
-# End cabal-rpm deps
 
 %description
-%{common_description}
+This package provides a data type for colors and transparency.
+Colors can be blended and composed. Various color spaces are supported.
+A module of color names ("Data.Colour.Names") is provided.
+
+
+%package devel
+Summary:        Haskell %{pkg_name} library development files
+Requires:       ghc-compiler = %{ghc_version}
+Requires(post): ghc-compiler = %{ghc_version}
+Requires(postun): ghc-compiler = %{ghc_version}
+Requires:       %{name} = %{version}-%{release}
+
+%description devel
+This package provides the Haskell %{pkg_name} library development files.
 
 
 %prep
@@ -41,19 +45,26 @@ BuildRequires:  ghc-rpm-macros
 rm %{buildroot}%{_datadir}/%{pkg_name}-%{version}/{README,CHANGELOG}
 
 
-%ghc_devel_package
-
-%ghc_devel_description
+%post devel
+%ghc_pkg_recache
 
 
-%ghc_devel_post_postun
+%postun devel
+%ghc_pkg_recache
 
 
-%ghc_files LICENSE
+%files -f %{name}.files
+%doc LICENSE
+
+
+%files devel -f %{name}-devel.files
 %doc CHANGELOG README
 
 
 %changelog
+* Fri Jun 07 2013 Jens Petersen <petersen@redhat.com> - 2.3.3-6
+- update to new simplified Haskell Packaging Guidelines
+
 * Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.3.3-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild