diff --git a/doc/kde_app_devel/index.docbook b/doc/kde_app_devel/index.docbook
index 3cc34883..54dd8a8b 100644
--- a/doc/kde_app_devel/index.docbook
+++ b/doc/kde_app_devel/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY tdevelop "<application>KDevelop</application>">
   <!ENTITY kappname "&tdevelop;">
   <!ENTITY % addindex "INCLUDE">
diff --git a/doc/kdearch/index.docbook b/doc/kdearch/index.docbook
index 7b5b45f1..8b3a2453 100644
--- a/doc/kdearch/index.docbook
+++ b/doc/kdearch/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY % addindex "INCLUDE">
   <!ENTITY % English "INCLUDE" > <!-- change language only here -->
 ]>
diff --git a/doc/tdevelop/index.docbook b/doc/tdevelop/index.docbook
index e3d800ec..a21a3b38 100644
--- a/doc/tdevelop/index.docbook
+++ b/doc/tdevelop/index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
 <!--   <!ENTITY tdevelop "<application>KDevelop</application>"> -->
   <!ENTITY tdevelop "KDevelop">
   <!ENTITY kdevrelease "3.3.91">
diff --git a/parts/appwizard/common/kde-index.docbook b/parts/appwizard/common/kde-index.docbook
index 332d3af3..adffb779 100644
--- a/parts/appwizard/common/kde-index.docbook
+++ b/parts/appwizard/common/kde-index.docbook
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.1.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
+<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!ENTITY %{APPNAMELC} "<application>%{APPNAME} %{VERSION}</application>">
   <!ENTITY kappname "&%{APPNAMELC};"><!-- Do *not* replace kappname-->
   <!ENTITY package "kde-module"><!-- tdebase, tdeadmin, etc -->