diff --git a/VOTable.xsd b/VOTable.xsd
index 0979a2a..e551a30 100644
--- a/VOTable.xsd
+++ b/VOTable.xsd
@@ -27,12 +27,13 @@
 .Version 1.5pre2: MD: vocabularising system attribute in COOSYS
 .Version 1.5pre3: TD: Undo the FIELDref/PARAMref addition to COOSYS
 .Version 1.5: TD: Update version to 1.5 for REC
+.Version 1.6: MT: Update version to 1.6pre
 -->
 <xs:schema
    xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
    xmlns="http://www.ivoa.net/xml/VOTable/v1.3"
    targetNamespace="http://www.ivoa.net/xml/VOTable/v1.3"
-   version="1.5"
+   version="1.6pre"
 >
 <xs:annotation><xs:documentation>
     VOTable is meant to serialize tabular documents in the
@@ -626,6 +627,7 @@
          <xs:enumeration value="1.3"/>
          <xs:enumeration value="1.4"/>
          <xs:enumeration value="1.5"/>
+         <xs:enumeration value="1.6"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:attribute>