diff --git a/libsigc++20.spec b/libsigc++20.spec
index df71449..4f24f70 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -1,6 +1,6 @@
 Name:           libsigc++20
 Version:        2.2.8
-Release:        3%{?dist}.2
+Release:        3%{?dist}.3
 
 Summary:        Typesafe signal framework for C++
 
@@ -11,7 +11,6 @@ Source0:        http://ftp.gnome.org/pub/GNOME/sources/libsigc++/2.0/libsigc++-%
 # fix compilation with GCC 4.6 (upstream ticket: GNOME BZ #641471)
 Patch0:		%{name}-gcc46.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
-BuildRequires:  doxygen graphviz
 
 BuildRequires:  m4
 
@@ -46,6 +45,7 @@ needed for development with %name.
 Summary:        Documentation for %{name}, includes full API docs
 Group:          Documentation
 BuildArch:      noarch
+BuildRequires:  doxygen graphviz
 
 %description    doc
 This package contains the full API documentation for %{name}.