diff --git a/.gitignore b/.gitignore
index 840d6f8..8db8ebc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 QuickCheck-2.1.1.1.tar.gz
 /QuickCheck-2.4.0.1.tar.gz
 /QuickCheck-2.4.1.1.tar.gz
+/QuickCheck-2.4.2.tar.gz
diff --git a/ghc-QuickCheck.spec b/ghc-QuickCheck.spec
index 0718f3a..c700d2a 100644
--- a/ghc-QuickCheck.spec
+++ b/ghc-QuickCheck.spec
@@ -1,8 +1,12 @@
+# cabal2spec-0.25
+# https://fedoraproject.org/wiki/Packaging:Haskell
+# https://fedoraproject.org/wiki/PackagingDrafts/Haskell
+
 %global pkg_name QuickCheck
 
 %global common_summary Automatic testing of Haskell programs
 
-%global common_description QuickCheck80 is a library for random testing of program properties.\
+%global common_description QuickCheck is a library for random testing of program properties.\
 \
 The programmer provides a specification of the program, in the form of\
 properties which functions should satisfy, and QuickCheck then tests that\
@@ -13,9 +17,9 @@ the QuickCheck library. QuickCheck provides combinators to define properties,\
 observe the distribution of test data, and define test data generators.
 
 Name:           ghc-%{pkg_name}
-# part of haskell-platform-2011.4.0.0
-Version:        2.4.1.1
-Release:        2%{?dist}
+# part of haskell-platform
+Version:        2.4.2
+Release:        1%{?dist}
 Summary:        %{common_summary}
 
 Group:          System Environment/Libraries
@@ -53,10 +57,25 @@ BuildRequires:  ghc-template-haskell-prof
 %ghc_lib_install
 
 
-%ghc_lib_package
+# devel subpackage
+%ghc_devel_package
+
+%ghc_devel_description
+
+
+%ghc_devel_post_postun
+
+
+%ghc_files LICENSE
 
 
 %changelog
+* Tue Mar 20 2012 Jens Petersen <petersen@redhat.com> - 2.4.2-1
+- update to 2.4.2
+
+* Sun Mar 18 2012 Jens Petersen <petersen@redhat.com> - 2.4.1.1-3
+- update to cabal2spec-0.25
+
 * Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.4.1.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild
 
diff --git a/sources b/sources
index 7e813e1..8369045 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-038c13d7d72942836ab4b13b61ac7c53  QuickCheck-2.4.1.1.tar.gz
+9e22f9741cbc7d9cd8d52d3928e57b67  QuickCheck-2.4.2.tar.gz