diff --git a/rarian.spec b/rarian.spec
index 4a8480e..12b0efe 100644
--- a/rarian.spec
+++ b/rarian.spec
@@ -2,7 +2,7 @@
 
 Name: rarian
 Version: 0.7.1
-Release: 2%{?dist}
+Release: 3%{?dist}
 License: LGPLv2+
 Group: System Environment/Base
 Summary: Rarian is a documentation meta-data library
@@ -13,8 +13,10 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 ### Dependencies ###
 
-Requires: libxml2
+Requires(post): libxml2
+Requires(postun): libxml2
 # for /usr/bin/xmlcatalog
+
 Requires: libxslt
 # for /usr/bin/xsltproc
 Requires: coreutils, util-linux, gawk
@@ -120,6 +122,9 @@ fi
 %{_libdir}/pkgconfig/rarian.pc
 
 %changelog
+* Mon Feb 18 2008 Matthew Barnes <mbarnes@redhat.com> - 0.7.1-3
+- Require libxml2 in %%post and %%postun (RH bug #433268).
+
 * Sat Feb 09 2008 Matthew Barnes <mbarnes@redhat.com> - 0.7.1-2
 - Install XML DTD for scrollkeeper OMF files (RH bug #431088).