diff --git a/core/src/main/java/org/openstack4j/model/storage/block/Volume.java b/core/src/main/java/org/openstack4j/model/storage/block/Volume.java
index 0a3099207..7589b0fda 100644
--- a/core/src/main/java/org/openstack4j/model/storage/block/Volume.java
+++ b/core/src/main/java/org/openstack4j/model/storage/block/Volume.java
@@ -26,7 +26,7 @@ public interface Volume extends ModelEntity, Buildable<VolumeBuilder> {
 	 *
 	 */
 	public enum Status {
-		AVAILABLE, ATTACHING, BACKING_UP, CREATING, DELETING, DOWNLOADING, UPLOADING, ERROR, ERROR_DELETING, ERROR_RESTORING, IN_USE, RESTORING_BACKUP, DETACHING, UNRECOGNIZED;
+		AVAILABLE, ATTACHING, BACKING_UP, CREATING, DELETING, DOWNLOADING, UPLOADING, ERROR, ERROR_DELETING, ERROR_RESTORING, IN_USE, RESTORING_BACKUP, DETACHING, EXTENDING, UNRECOGNIZED;
 
 		@JsonValue
 		public String value() {