diff --git a/.gitignore b/.gitignore
index 3c5bbc5..7c5169b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /digest-0.0.0.9.tar.gz
 /digest-0.0.1.0.tar.gz
 /digest-0.0.1.1.tar.gz
+/digest-0.0.1.2.tar.gz
diff --git a/digest-0.0.1.1-bytestring-in-base.patch b/digest-0.0.1.1-bytestring-in-base.patch
deleted file mode 100644
index 4acd8e4..0000000
--- a/digest-0.0.1.1-bytestring-in-base.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- digest-0.0.1.1/digest.cabal~	2012-03-09 16:43:29.000000000 +0900
-+++ digest-0.0.1.1/digest.cabal	2012-11-17 22:43:34.027421368 +0900
-@@ -22,6 +22,7 @@
- flag bytestring-in-base
-   description: In the ghc-6.6 era the bytestring modules were
-                included in the base package.
-+  default: False
- 
- source-repository head
-   type: git
diff --git a/ghc-digest.spec b/ghc-digest.spec
index 7a8f20e..7b17145 100644
--- a/ghc-digest.spec
+++ b/ghc-digest.spec
@@ -1,38 +1,45 @@
 # https://fedoraproject.org/wiki/Packaging:Haskell
-# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
 %global pkg_name digest
 
-%global common_summary Cryptographic hashes for bytestrings
-
-%global common_description This package provides efficient cryptographic hash implementations for strict\
-and lazy bytestrings. For now, CRC32 and Adler32 are supported; they are\
-implemented as FFI bindings to efficient code from zlib.
-
 Name:           ghc-%{pkg_name}
-Version:        0.0.1.1
-Release:        5%{?dist}
-Summary:        %{common_summary}
+Version:        0.0.1.2
+Release:        1%{?dist}
+Summary:        Cryptographic hashes for bytestrings
 
 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
-Patch0:         digest-0.0.1.1-bytestring-in-base.patch
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
 # Begin cabal-rpm deps:
 BuildRequires:  ghc-bytestring-devel
-# End cabal-rpm deps
 BuildRequires:  zlib-devel%{?_isa}
+# End cabal-rpm deps
 
 %description
-%{common_description}
+This package provides efficient cryptographic hash implementations for
+strict and lazy bytestrings. For now, CRC32 and Adler32 are supported;
+they are implemented as FFI bindings to efficient code from zlib.
+
+
+%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}
+# Begin cabal-rpm deps:
+Requires:       zlib-devel%{?_isa}
+# End cabal-rpm deps
+
+%description devel
+This package provides the Haskell %{pkg_name} library development files.
 
 
 %prep
 %setup -q -n %{pkg_name}-%{version}
-%patch0 -p1 -b .orig
 
 
 %build
@@ -43,19 +50,26 @@ BuildRequires:  zlib-devel%{?_isa}
 %ghc_lib_install
 
 
-%ghc_devel_package
-Requires:  zlib-devel%{?_isa}
-
-%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
 
 
 %changelog
+* Fri Jun 07 2013 Jens Petersen <petersen@redhat.com> - 0.0.1.2-1
+- update to 0.0.1.2
+- update to new simplified Haskell Packaging Guidelines
+
 * Wed Feb 13 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.0.1.1-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
 
diff --git a/sources b/sources
index 60877bd..701df39 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ddc7586f4d5a44ffa03fe6ac7ae39f90  digest-0.0.1.1.tar.gz
+83ed3d8c10d24c88d5ddf4f3914507ac  digest-0.0.1.2.tar.gz