diff --git a/.gitignore b/.gitignore
index 45a7221..87cb3fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /syb-0.3.3.tar.gz
 /syb-0.3.6.tar.gz
 /syb-0.4.0.tar.gz
+/syb-0.4.1.tar.gz
diff --git a/ghc-syb.spec b/ghc-syb.spec
index 5077a39..539bff0 100644
--- a/ghc-syb.spec
+++ b/ghc-syb.spec
@@ -2,24 +2,35 @@
 
 %global pkg_name syb
 
+%bcond_without tests
+
+# no useful debuginfo for Haskell packages without C sources
+%global debug_package %{nil}
+
 Name:           ghc-%{pkg_name}
 # part of haskell-platform
-Version:        0.4.0
-Release:        35%{?dist}
+Version:        0.4.1
+Release:        1%{?dist}
 Summary:        Scrap Your Boilerplate
 
 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
-BuildRequires:  dos2unix
+# Begin cabal-rpm deps:
+%if %{with tests}
+BuildRequires:  ghc-HUnit-devel
+BuildRequires:  ghc-containers-devel
+BuildRequires:  ghc-mtl-devel
+%endif
+# End cabal-rpm deps
 
 %description
 This package contains the generics system described in the "Scrap Your
 Boilerplate" papers (see <http://www.cs.uu.nl/wiki/GenericProgramming/SYB>).
-It defines the Data class of types permitting folding and unfolding of
+It defines the 'Data' class of types permitting folding and unfolding of
 constructor applications, instances of this class for primitive types, and
 a variety of traversals.
 
@@ -49,6 +60,12 @@ dos2unix LICENSE README
 %ghc_lib_install
 
 
+%check
+%if %{with tests}
+%cabal test
+%endif
+
+
 %post devel
 %ghc_pkg_recache
 
@@ -66,6 +83,9 @@ dos2unix LICENSE README
 
 
 %changelog
+* Wed Jun 04 2014 Jens Petersen <petersen@redhat.com> - 0.4.1-1
+- update to 0.4.1 with cblrpm-0.8.11
+
 * Fri Apr 18 2014 Jens Petersen <petersen@redhat.com> - 0.4.0-35
 - bump over haskell-platform
 
diff --git a/sources b/sources
index 1b31d80..a63a77d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ec2719d444a6561b2424dcef10b4fe34  syb-0.4.0.tar.gz
+28df3b70cef652fa6c04e6353c580a7a  syb-0.4.1.tar.gz