diff --git a/src/main/thrift/hive_metastore.thrift b/src/main/thrift/hive_metastore.thrift
index ca8d4c2..de914a7 100644
--- a/src/main/thrift/hive_metastore.thrift
+++ b/src/main/thrift/hive_metastore.thrift
@@ -529,6 +529,18 @@ struct DateColumnStatsData {
 5: optional binary bitVectors
 }
 
+struct Timestamp {
+1: required i64 secondsSinceEpoch
+}
+
+struct TimestampColumnStatsData {
+1: optional Timestamp lowValue,
+2: optional Timestamp highValue,
+3: required i64 numNulls,
+4: required i64 numDVs,
+5: optional binary bitVectors
+}
+
 union ColumnStatisticsData {
 1: BooleanColumnStatsData booleanStats,
 2: LongColumnStatsData longStats,
@@ -536,7 +548,8 @@ union ColumnStatisticsData {
 4: StringColumnStatsData stringStats,
 5: BinaryColumnStatsData binaryStats,
 6: DecimalColumnStatsData decimalStats,
-7: DateColumnStatsData dateStats
+7: DateColumnStatsData dateStats,
+8: TimestampColumnStatsData timestampStats
 }
 
 struct ColumnStatisticsObj {