diff --git a/doc/de/index.docbook b/doc/de/index.docbook
index f1d96bb..17e5d9f 100644
--- a/doc/de/index.docbook
+++ b/doc/de/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 kvpnc "<application
 >kvpnc</application
 >">
diff --git a/doc/en/index.docbook b/doc/en/index.docbook
index 73620b0..ff9a7e2 100644
--- a/doc/en/index.docbook
+++ b/doc/en/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 kvpnc "<application>kvpnc</application>">
 <!ENTITY kappname "&kvpnc;"><!-- Do *not* replace kappname-->
 <!ENTITY package "kdenetwork"><!-- kdebase, kdeadmin, etc -->
diff --git a/doc/fr/index.docbook b/doc/fr/index.docbook
index 1e5e26b..824c7fc 100644
--- a/doc/fr/index.docbook
+++ b/doc/fr/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 kvpnc "<application
 >kvpnc</application
 >">
diff --git a/doc/sv/index.docbook b/doc/sv/index.docbook
index 04c09f8..b1d60cb 100644
--- a/doc/sv/index.docbook
+++ b/doc/sv/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 kvpnc "<application
 >kvpnc</application
 >">