diff --git a/.gitignore b/.gitignore
index 680ecf8..e23d0b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /blaze-html-0.4.2.0.tar.gz
 /blaze-html-0.4.3.1.tar.gz
 /blaze-html-0.4.3.4.tar.gz
+/blaze-html-0.5.1.0.tar.gz
diff --git a/ghc-blaze-html.spec b/ghc-blaze-html.spec
index 8970b36..29103d7 100644
--- a/ghc-blaze-html.spec
+++ b/ghc-blaze-html.spec
@@ -1,4 +1,3 @@
-# cabal2spec-0.25.2
 # https://fedoraproject.org/wiki/Packaging:Haskell
 # https://fedoraproject.org/wiki/PackagingDrafts/Haskell
 
@@ -13,21 +12,23 @@ The project is aimed at those who seek to write web applications in Haskell\
  — it integrates well with all Haskell web frameworks.
 
 Name:           ghc-%{pkg_name}
-Version:        0.4.3.4
-Release:        3%{?dist}
+Version:        0.5.1.0
+Release:        1%{?dist}
 Summary:        %{common_summary}
 
-Group:          System Environment/Libraries
 License:        BSD
-# BEGIN cabal2spec
 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 %{!?without_hscolour:hscolour}
-# END cabal2spec
-BuildRequires:  ghc-blaze-builder-devel
-BuildRequires:  ghc-text-devel
+# Begin cabal-rpm deps:
+BuildRequires:  ghc-base-devel >= 4, ghc-base-devel < 5
+BuildRequires:  ghc-blaze-builder-devel >= 0.2, ghc-blaze-builder-devel < 0.4
+BuildRequires:  ghc-blaze-markup-devel >= 0.5.1, ghc-blaze-markup-devel < 0.6
+BuildRequires:  ghc-bytestring-devel >= 0.9, ghc-bytestring-devel < 0.11
+BuildRequires:  ghc-text-devel >= 0.10, ghc-text-devel < 0.12
+# End cabal-rpm deps
 
 %description
 %{common_description}
@@ -57,6 +58,10 @@ BuildRequires:  ghc-text-devel
 
 
 %changelog
+* Fri Oct 26 2012 Jens Petersen <petersen@redhat.com> - 0.5.1.0-1
+- update to 0.5.1.0
+- refresh BRs etc with cabal-rpm
+
 * Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.4.3.4-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild
 
diff --git a/sources b/sources
index fb5de9f..0bcc6d5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-069117ebfed04de77a948d0d9759f6ed  blaze-html-0.4.3.4.tar.gz
+5d52905fae72ec34952e45f5a264d846  blaze-html-0.5.1.0.tar.gz