diff --git a/packages/backend/src/core/entities/InstanceEntityService.ts b/packages/backend/src/core/entities/InstanceEntityService.ts
index 8bba150ece..7d16a7a80e 100644
--- a/packages/backend/src/core/entities/InstanceEntityService.ts
+++ b/packages/backend/src/core/entities/InstanceEntityService.ts
@@ -47,6 +47,7 @@ export class InstanceEntityService {
 			faviconUrl: instance.faviconUrl,
 			themeColor: instance.themeColor,
 			infoUpdatedAt: instance.infoUpdatedAt ? instance.infoUpdatedAt.toISOString() : null,
+			latestRequestReceivedAt: instance.latestRequestReceivedAt ? instance.latestRequestReceivedAt.toISOString() : null,
 		};
 	}
 
diff --git a/packages/backend/src/models/json-schema/federation-instance.ts b/packages/backend/src/models/json-schema/federation-instance.ts
index 4ad84d02ff..442e1076f2 100644
--- a/packages/backend/src/models/json-schema/federation-instance.ts
+++ b/packages/backend/src/models/json-schema/federation-instance.ts
@@ -103,5 +103,10 @@ export const packedFederationInstanceSchema = {
 			optional: false, nullable: true,
 			format: 'date-time',
 		},
+		latestRequestReceivedAt: {
+			type: 'string',
+			optional: false, nullable: true,
+			format: 'date-time',
+		},
 	},
 } as const;
diff --git a/packages/frontend/src/pages/instance-info.vue b/packages/frontend/src/pages/instance-info.vue
index cb54069d1a..51e6939c2d 100644
--- a/packages/frontend/src/pages/instance-info.vue
+++ b/packages/frontend/src/pages/instance-info.vue
@@ -52,7 +52,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				</MkKeyValue>
 				<MkKeyValue oneline style="margin: 1em 0;">
 					<template #key>{{ i18n.ts.latestRequestReceivedAt }}</template>
-					<template #value><MkTime v-if="instance.latestRequestReceivedAt" :time="instance.latestRequestReceivedAt"/><span v-else>N/A</span></template>
+					<template #value><MkTime v-if="instance.latestRequestReceivedAt" mode="detail" :time="instance.latestRequestReceivedAt"/><span v-else>N/A</span></template>
 				</MkKeyValue>
 			</FormSection>