diff --git a/docbook-dtds.spec b/docbook-dtds.spec
index a2f8759..9f0c6e1 100644
--- a/docbook-dtds.spec
+++ b/docbook-dtds.spec
@@ -3,7 +3,7 @@
 
 Name: docbook-dtds
 Version: 1.0
-Release: 54%{?dist}
+Release: 55%{?dist}
 Group: Applications/Text
 
 Summary: SGML and XML document type definitions for DocBook
@@ -404,6 +404,9 @@ do
 done
 
 %changelog
+* Tue May 17 2011 Ondrej Vasik <ovasik@redhat.com> - 1.0-55
+- fix typo in 4.5 xml dtd catalog
+
 * Tue Feb 08 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0-54
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild
 
diff --git a/docbook-sgml-systemrewrite.patch b/docbook-sgml-systemrewrite.patch
index 35b56d1..79dd0b7 100644
--- a/docbook-sgml-systemrewrite.patch
+++ b/docbook-sgml-systemrewrite.patch
@@ -201,7 +201,7 @@ diff -urNp docbook-dtds-1.0-orig/4.5-xml/docbook.cat docbook-dtds-1.0/4.5-xml/do
    -- ...................................................................... --
 +  -- SYSTEM rewrite of web URL .............. ............................. --
 +
-+SYSTEM "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd"
++SYSTEM "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"
 +       "docbookx.dtd"
 +
 +  -- ...................................................................... --