diff --git a/.gitignore b/.gitignore
index 7338f73..7ffa3e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /cereal-0.3.5.0.tar.gz
 /cereal-0.3.5.1.tar.gz
 /cereal-0.3.5.2.tar.gz
+/cereal-0.4.0.1.tar.gz
diff --git a/ghc-cereal.spec b/ghc-cereal.spec
index e18a267..d9ddbc3 100644
--- a/ghc-cereal.spec
+++ b/ghc-cereal.spec
@@ -2,14 +2,17 @@
 
 %global pkg_name cereal
 
+# no useful debuginfo for Haskell packages without C sources
+%global debug_package %{nil}
+
 Name:           ghc-%{pkg_name}
-Version:        0.3.5.2
-Release:        7%{?dist}
-Summary:        Binary serialization library
+Version:        0.4.0.1
+Release:        1%{?dist}
+Summary:        A binary serialization library
 
 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
+Source0:        http://hackage.haskell.org/package/%{pkg_name}-%{version}/%{pkg_name}-%{version}.tar.gz
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
@@ -29,10 +32,11 @@ operating on finite inputs.
 
 %package devel
 Summary:        Haskell %{pkg_name} library development files
+Provides:       %{name}-static = %{version}-%{release}
 Requires:       ghc-compiler = %{ghc_version}
 Requires(post): ghc-compiler = %{ghc_version}
 Requires(postun): ghc-compiler = %{ghc_version}
-Requires:       %{name} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
 
 %description devel
 This package provides the Haskell %{pkg_name} library development files.
@@ -66,6 +70,9 @@ This package provides the Haskell %{pkg_name} library development files.
 
 
 %changelog
+* Sat May 31 2014 Jens Petersen <petersen@redhat.com> - 0.4.0.1-1
+- update to 0.4.0.1
+
 * Sat Aug 03 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.3.5.2-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
 
diff --git a/sources b/sources
index 0403a52..2ce855a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-e657b840afe3d8b9c803362a106ffc8a  cereal-0.3.5.2.tar.gz
+05eec55cc71b11571d65b4d29ed001dd  cereal-0.4.0.1.tar.gz