diff --git a/ghc-dlist.spec b/ghc-dlist.spec
index b5b026e..91611cc 100644
--- a/ghc-dlist.spec
+++ b/ghc-dlist.spec
@@ -1,19 +1,11 @@
 # https://fedoraproject.org/wiki/Packaging:Haskell
-# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
 %global pkg_name dlist
 
-%global common_summary Haskell differences lists
-
-%global common_description Differences lists: a list-like type supporting O(1) append.\
-This is particularly useful for efficient logging and pretty\
-printing, (e.g. with the Writer monad), where list append\
-quickly becomes too expensive.
-
 Name:           ghc-%{pkg_name}
 Version:        0.5
-Release:        9%{?dist}
-Summary:        %{common_summary}
+Release:        10%{?dist}
+Summary:        Haskell differences lists
 
 License:        BSD
 URL:            http://hackage.haskell.org/package/%{pkg_name}
@@ -21,11 +13,23 @@ 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}
+Differences lists: a list-like type supporting O(1) append.
+This is particularly useful for efficient logging and pretty
+printing, (e.g. with the Writer monad), where list append
+quickly becomes too expensive.
+
+
+%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
@@ -40,18 +44,25 @@ BuildRequires:  ghc-rpm-macros
 %ghc_lib_install
 
 
-%ghc_devel_package
+%post devel
+%ghc_pkg_recache
 
-%ghc_devel_description
 
+%postun devel
+%ghc_pkg_recache
 
-%ghc_devel_post_postun
 
+%files -f %{name}.files
+%doc LICENSE
 
-%ghc_files LICENSE
+
+%files devel -f %{name}-devel.files
 
 
 %changelog
+* Fri Jun 07 2013 Jens Petersen <petersen@redhat.com> - 0.5-10
+- update to new simplified Haskell Packaging Guidelines
+
 * Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.5-9
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild