diff --git a/pom.xml b/pom.xml
index 6c1b1e4..2db4a95 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.findologic</groupId>
   <artifactId>xml-export</artifactId>
   <packaging>jar</packaging>
-  <version>1.4.0-SNAPSHOT</version>
+  <version>1.5.0-SNAPSHOT</version>
   <name>xml-export</name>
   <url>http://maven.apache.org</url>
   <dependencies>
diff --git a/src/main/resources/findologic.xsd b/src/main/resources/findologic.xsd
index bb19d2c..051c93f 100644
--- a/src/main/resources/findologic.xsd
+++ b/src/main/resources/findologic.xsd
@@ -129,7 +129,7 @@
     <!-- URLs -->
     <xs:complexType name="urlsType">
         <xs:sequence>
-            <xs:element name="url" minOccurs="0" maxOccurs="unbounded">
+            <xs:element name="url" minOccurs="1" maxOccurs="unbounded">
                 <xs:complexType>
                     <xs:simpleContent>
                         <xs:extension base="httpURI">