diff --git a/src/javax/persistence/CachingType.java b/src/javax/persistence/CachingType.java
index 292676e..98de68f 100644
--- a/src/javax/persistence/CachingType.java
+++ b/src/javax/persistence/CachingType.java
@@ -36,5 +36,5 @@
  * @since Java Persistence 2.0
  */
 public enum CachingType {
-    ALL, NONE, ENABLE_SELECTIVE, DISABLE_SELECTIVE
+    ALL, NONE, ENABLE_SELECTIVE, DISABLE_SELECTIVE, UNSPECIFIED
 }