diff --git a/ghc-resourcet.spec b/ghc-resourcet.spec
index 24b07d3..f2651f4 100644
--- a/ghc-resourcet.spec
+++ b/ghc-resourcet.spec
@@ -1,18 +1,11 @@
 # https://fedoraproject.org/wiki/Packaging:Haskell
-# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
 %global pkg_name resourcet
 
-%global common_summary Deterministic allocation and freeing of scarce resources
-
-%global common_description Allocate resources which are guaranteed to be released.\
-All register cleanup actions live in the IO monad, not the main monad.\
-This allows both more efficient code, and for monads to be transformed.
-
 Name:           ghc-%{pkg_name}
 Version:        0.4.5
-Release:        1%{?dist}
-Summary:        %{common_summary}
+Release:        2%{?dist}
+Summary:        Deterministic allocation and freeing of scarce resources
 
 License:        BSD
 URL:            http://hackage.haskell.org/package/%{pkg_name}
@@ -30,7 +23,20 @@ BuildRequires:  ghc-transformers-base-devel
 # End cabal-rpm deps
 
 %description
-%{common_description}
+Allocate resources which are guaranteed to be released.
+All register cleanup actions live in the IO monad, not the main monad.
+This allows both more efficient code, and for monads to be transformed.
+
+
+%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
@@ -45,18 +51,25 @@ BuildRequires:  ghc-transformers-base-devel
 %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> - 0.4.5-2
+- update to new simplified Haskell Packaging Guidelines
+
 * Mon Mar 11 2013 Jens Petersen <petersen@redhat.com> - 0.4.5-1
 - update to 0.4.5