diff --git a/metadata-models/src/main/pegasus/com/linkedin/dataset/DatasetProfile.pdl b/metadata-models/src/main/pegasus/com/linkedin/dataset/DatasetProfile.pdl
index 690ad9f8f4..d1acb70854 100644
--- a/metadata-models/src/main/pegasus/com/linkedin/dataset/DatasetProfile.pdl
+++ b/metadata-models/src/main/pegasus/com/linkedin/dataset/DatasetProfile.pdl
@@ -15,4 +15,9 @@ record DatasetProfile includes TimeseriesAspectBase {
 	columnCount: optional long
 
 	fieldProfiles: optional array[DatasetFieldProfile]
+
+	/**
+	* Storage size in bytes
+	*/
+	sizeInBytes: optional long
 }
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