diff --git a/asterix-runtime/src/main/resources/adm.grammar b/asterix-runtime/src/main/resources/adm.grammar
index 06614d0..b9db2e7 100644
--- a/asterix-runtime/src/main/resources/adm.grammar
+++ b/asterix-runtime/src/main/resources/adm.grammar
@@ -30,7 +30,8 @@
 INTERVAL_DATE_CONS      = string(interval-date)
 INTERVAL_DATETIME_CONS  = string(interval-datetime)
 YEAR_MONTH_DURATION_CONS = string(year-month-duration)
-DAY_TIME_DURATION_CONS   = string(day-time-duration) 
+DAY_TIME_DURATION_CONS   = string(day-time-duration)
+UUID_CONS      = string(uuid)
 
 NULL_LITERAL   = string(null)
 TRUE_LITERAL   = string(true)