diff --git a/libqdmetadata/qdMetaData.h b/libqdmetadata/qdMetaData.h
index 195fdd2..3854843 100644
--- a/libqdmetadata/qdMetaData.h
+++ b/libqdmetadata/qdMetaData.h
@@ -68,6 +68,7 @@
     UBWC_UNUSED      = 0,
     UBWC_1_0         = 0x1,
     UBWC_2_0         = 0x2,
+    UBWC_3_0         = 0x3,
     UBWC_MAX_VERSION = 0xFF,
 };