diff --git a/source4/librpc/idl/drsuapi.idl b/source4/librpc/idl/drsuapi.idl
index e64686c425f..c03892d5dcd 100644
--- a/source4/librpc/idl/drsuapi.idl
+++ b/source4/librpc/idl/drsuapi.idl
@@ -391,6 +391,7 @@ interface drsuapi
 		DRSUAPI_ATTRIBUTE_serverReference		= 0x00090203,
 		DRSUAPI_ATTRIBUTE_objectCategory		= 0x0009030e,
 		DRSUAPI_ATTRIBUTE_msDS_Behavior_Version		= 0x000905b3,
+		DRSUAPI_ATTRIBUTE_msDS_KeyVersionNumber		= 0x000906f6,		
 		DRSUAPI_ATTRIBUTE_msDS_HasDomainNCs		= 0x0009071c,
 		DRSUAPI_ATTRIBUTE_msDS_hasMasterNCs		= 0x0009072c
 	} drsuapi_DsAttributeId;
diff --git a/source4/torture/rpc/dssync.c b/source4/torture/rpc/dssync.c
index 25c4c3d3cb4..9e9348283aa 100644
--- a/source4/torture/rpc/dssync.c
+++ b/source4/torture/rpc/dssync.c
@@ -334,6 +334,9 @@ static void test_analyse_objects(struct DsSyncTest *ctx,
 			case DRSUAPI_ATTRIBUTE_supplementalCredentials:
 				name	= "supplementalCredentials";
 				break;
+			case DRSUAPI_ATTRIBUTE_msDS_KeyVersionNumber:
+				name	= "msDS-KeyVersionNumber";
+				break;
 			default:
 				continue;
 			}