diff --git a/resources/schema/inventory.xsd b/resources/schema/inventory.xsd
index ab1831e..8e8c2a2 100644
--- a/resources/schema/inventory.xsd
+++ b/resources/schema/inventory.xsd
@@ -222,6 +222,8 @@
         <xsd:attribute name="sense_id" type="xsd:int"/>
         <xsd:attribute name="senseKey" type="xsd:string"/>
         <xsd:attribute name="type" type="xsd:string"/>
+        <xsd:attribute name="synonymType" type="xsd:string"/>
+        <xsd:attribute name="synonymScore" type="xsd:decimal"/>
       </xsd:extension>
     </xsd:simpleContent>
   </xsd:complexType>