diff --git a/catalog/src/main/java/com/ning/billing/catalog/VersionedCatalog.java b/catalog/src/main/java/com/ning/billing/catalog/VersionedCatalog.java
index 747e481..6b43a4b 100644
--- a/catalog/src/main/java/com/ning/billing/catalog/VersionedCatalog.java
+++ b/catalog/src/main/java/com/ning/billing/catalog/VersionedCatalog.java
@@ -23,6 +23,11 @@ import java.util.Date;
import java.util.Iterator;
import java.util.List;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlRootElement;
+
import com.google.inject.Inject;
import com.ning.billing.catalog.api.ActionPolicy;
import com.ning.billing.catalog.api.BillingAlignment;
@@ -41,10 +46,13 @@ import com.ning.billing.catalog.api.PlanSpecifier;
import com.ning.billing.util.config.ValidatingConfig;
import com.ning.billing.util.config.ValidationErrors;
+@XmlRootElement(name="catalog")
+@XmlAccessorType(XmlAccessType.NONE)
public class VersionedCatalog extends ValidatingConfig<StandaloneCatalog> implements Catalog {
private StandaloneCatalog currentCatalog;
+ @XmlElement(name="catalogVersion", required=true)
private final List<StandaloneCatalog> versions = new ArrayList<StandaloneCatalog>();
@Inject
