diff --git a/Chart.yaml b/Chart.yaml
index bda368d50..7cc166d3a 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -1 +1 @@
-v4.0.2
+v4.0.3
diff --git a/src/resources/collections/collections.service.js b/src/resources/collections/collections.service.js
index 1c5c13edf..a6ed00928 100644
--- a/src/resources/collections/collections.service.js
+++ b/src/resources/collections/collections.service.js
@@ -253,7 +253,7 @@ export default class CollectionsService {
 				}
 			}
 
-			let relatedObject = { ...data[0], updated: Date.parse(updated) };
+			let relatedObject = { ...data[0], updated: new Date(Date.parse(updated)).toISOString() };
 			resolve(relatedObject);
 		});
 	}
diff --git a/src/resources/search/search.repository.js b/src/resources/search/search.repository.js
index 2cc2373b4..6361e2064 100644
--- a/src/resources/search/search.repository.js
+++ b/src/resources/search/search.repository.js
@@ -364,7 +364,7 @@ export async function getObjectResult(type, searchAll, searchQuery, startIndex,
 					'datasetfields.metadataquality.weighted_error_percent': 1,
 					'datasetfields.metadataquality.weighted_completeness_percent': 1,
 
-					latestUpdate: '$timestamps.updated',
+					latestUpdate: '$updatedAt',
 					relatedresources: {
 						$add: [
 							{