diff --git a/doc/guide/preamble.sdf b/doc/guide/preamble.sdf
index 98b784ab55..cb33677466 100644
--- a/doc/guide/preamble.sdf
+++ b/doc/guide/preamble.sdf
@@ -6,14 +6,14 @@
 # Preamble for all OpenLDAP SDF documents
 #
 
-!default VERSION 2.3
+!default VERSION 2.4
 
 #
 # Paths are relative to the main subdirectories
 #
 
 !define DOC_AUTHOR	"The OpenLDAP Project <{{URL:http://www.openldap.org/}}>"
-!define DOC_NAME    "OpenLDAP Software 2.3"
+!define DOC_NAME    "OpenLDAP Software 2.4"
 !define DOC_TYPE    "Guide"
 
 !define DOC_LOGO	"../images/LDAPlogo.gif"