diff --git a/gnome-sudoku.changes b/gnome-sudoku.changes
index 481a77e..f9ef343 100644
--- a/gnome-sudoku.changes
+++ b/gnome-sudoku.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Apr 11 22:03:10 UTC 2013 - dimstar@opensuse.org
+
+- Add gobject-introspection BuildRequires: add automatic typelib()
+  requires to the package.
+- Add python-gobject-cairo Requires: needed to start the game.
+
 -------------------------------------------------------------------
 Thu Apr 11 18:05:27 UTC 2013 - dimstar@opensuse.org
 
diff --git a/gnome-sudoku.spec b/gnome-sudoku.spec
index 50fad7d..a62d9c6 100644
--- a/gnome-sudoku.spec
+++ b/gnome-sudoku.spec
@@ -26,11 +26,14 @@ Url:            https://live.gnome.org/GnomeSudoku
 Source:         http://download.gnome.org/sources/gnome-sudoku/3.8/%{name}-%{version}.tar.xz
 # PATCH-FIX-UPSTREAM gnome-sudoku-numberbox-events.patch bgo#693736 dimstar@opensuse.org -- Fix NumberBox envents configuration with latest pygobject
 Patch0:         gnome-sudoku-numberbox-events.patch
+# Needed for typelib() requires generator.
+BuildRequires:  gobject-introspection
 BuildRequires:  hicolor-icon-theme
 BuildRequires:  intltool >= 0.35.0
 BuildRequires:  update-desktop-files
 BuildRequires:  yelp-tools
 BuildRequires:  pkgconfig(pygobject-3.0) >= 2.28.3
+Requires:       python-gobject-cairo
 Recommends:     %{name}-lang
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 %glib2_gsettings_schema_requires