diff --git a/office/docbook/docbook-sgml4_5/actions.py b/office/docbook/docbook-sgml4_5/actions.py
index 1fdd49d504..77890583d8 100644
--- a/office/docbook/docbook-sgml4_5/actions.py
+++ b/office/docbook/docbook-sgml4_5/actions.py
@@ -5,11 +5,15 @@
 # See the file http://www.gnu.org/licenses/gpl.txt
 
 from pisi.actionsapi import pisitools
+from pisi.actionsapi import shelltools
 from pisi.actionsapi import get
 
 WorkDir="."
 
 def install():
+    shelltools.system("sed -i -e '/ISO 8879/d' \
+                                        -e '/gml/d' docbook.cat")
+
     pisitools.insinto("/usr/share/sgml/docbook/sgml-dtd-%s" % get.srcVERSION(), "*.dcl")
     pisitools.insinto("/usr/share/sgml/docbook/sgml-dtd-%s" % get.srcVERSION(), "*.dtd")
     pisitools.insinto("/usr/share/sgml/docbook/sgml-dtd-%s" % get.srcVERSION(), "*.mod")
diff --git a/office/docbook/docbook-sgml4_5/pspec.xml b/office/docbook/docbook-sgml4_5/pspec.xml
index d0ab28ee2a..ae53f61463 100644
--- a/office/docbook/docbook-sgml4_5/pspec.xml
+++ b/office/docbook/docbook-sgml4_5/pspec.xml
@@ -33,6 +33,13 @@
     </Package>
 
     <History>
+        <Update release="6">
+            <Date>2022-12-06</Date>
+            <Version>4.5</Version>
+            <Comment>Rebuild.</Comment>
+            <Name>Pisi Linux Community</Name>
+            <Email>admin@pisilinux.org</Email>
+        </Update>
         <Update release="5">
             <Date>2021-06-29</Date>
             <Version>4.5</Version>