diff --git a/gnome-doc-utils.changes b/gnome-doc-utils.changes
index e41a25c..9b2147b 100644
--- a/gnome-doc-utils.changes
+++ b/gnome-doc-utils.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Fri May 27 16:50:30 CEST 2011 - vuntz@opensuse.org
+
+- Add docbook_4 Requires to devel subpackage: packages building
+  with gnome-doc-utils support will use xsltproc to validate files,
+  and we want ot use a local DTD instead of fetching one from the
+  internet.
+
 -------------------------------------------------------------------
 Tue Apr 26 16:02:51 UTC 2011 - fcrozat@novell.com
 
diff --git a/gnome-doc-utils.spec b/gnome-doc-utils.spec
index 1720a27..8d9185a 100644
--- a/gnome-doc-utils.spec
+++ b/gnome-doc-utils.spec
@@ -65,6 +65,8 @@ License:        GPLv2+ ; LGPLv2.1+
 Summary:        A Collection of Documentation Utilities for GNOME
 Group:          System/GUI/GNOME
 Requires:       %{name} = %{version}
+# For the validation with xsltproc to use a local DTD
+Requires:       docbook_4
 # Needed by packages being built with gnome-doc-utils, unless they
 # use --disable-scrollkeeper
 Requires:       scrollkeeper