diff --git a/changes/src/plugin-resources/xsd/changes.xsd b/changes/src/plugin-resources/xsd/changes.xsd
index ae58183f..03170ba5 100644
--- a/changes/src/plugin-resources/xsd/changes.xsd
+++ b/changes/src/plugin-resources/xsd/changes.xsd
@@ -30,7 +30,7 @@
     <xs:complexType>
       <xs:sequence>
         <xs:element ref="title"/>
-        <xs:element ref="author" minOccurs="0"/>
+        <xs:element ref="author" minOccurs="0" maxOccurs="unbounded"/>
       </xs:sequence>
     </xs:complexType>
   </xs:element>