diff --git a/packages/twenty-server/src/database/commands/data-seed-dev-workspace.command.ts b/packages/twenty-server/src/database/commands/data-seed-dev-workspace.command.ts
index 7ecc6bbbc..ac4f24863 100644
--- a/packages/twenty-server/src/database/commands/data-seed-dev-workspace.command.ts
+++ b/packages/twenty-server/src/database/commands/data-seed-dev-workspace.command.ts
@@ -11,7 +11,6 @@ import { seedCoreSchema } from 'src/database/typeorm-seeds/core';
 import { ObjectMetadataService } from 'src/engine/metadata-modules/object-metadata/object-metadata.service';
 import { WorkspaceDataSourceService } from 'src/engine/workspace-datasource/workspace-datasource.service';
 import { WorkspaceSyncMetadataService } from 'src/engine/workspace-manager/workspace-sync-metadata/workspace-sync-metadata.service';
-import { seedCalendarEvents } from 'src/database/typeorm-seeds/workspace/calendar-events';
 import { EnvironmentService } from 'src/engine/integrations/environment/environment.service';
 import {
   SEED_APPLE_WORKSPACE_ID,
@@ -24,6 +23,10 @@ import { seedMessageChannelMessageAssociation } from 'src/database/typeorm-seeds
 import { seedMessageParticipant } from 'src/database/typeorm-seeds/workspace/message-participants';
 import { seedMessageThread } from 'src/database/typeorm-seeds/workspace/message-threads';
 import { viewPrefillData } from 'src/engine/workspace-manager/standard-objects-prefill-data/view';
+import { seedCalendarEvents } from 'src/database/typeorm-seeds/workspace/calendar-events';
+import { seedCalendarChannels } from 'src/database/typeorm-seeds/workspace/calendar-channel';
+import { seedCalendarChannelEventAssociations } from 'src/database/typeorm-seeds/workspace/calendar-channel-event-association';
+import { seedCalendarEventParticipants } from 'src/database/typeorm-seeds/workspace/calendar-event-participants';
 
 // TODO: implement dry-run
 @Command({
@@ -117,7 +120,6 @@ export class DataSeedWorkspaceCommand extends CommandRunner {
             await seedCompanies(entityManager, dataSourceMetadata.schema);
             await seedPeople(entityManager, dataSourceMetadata.schema);
             await seedOpportunity(entityManager, dataSourceMetadata.schema);
-            await seedCalendarEvents(entityManager, dataSourceMetadata.schema);
             await seedWorkspaceMember(
               entityManager,
               dataSourceMetadata.schema,
@@ -143,6 +145,23 @@ export class DataSeedWorkspaceCommand extends CommandRunner {
                 entityManager,
                 dataSourceMetadata.schema,
               );
+
+              await seedCalendarEvents(
+                entityManager,
+                dataSourceMetadata.schema,
+              );
+              await seedCalendarChannels(
+                entityManager,
+                dataSourceMetadata.schema,
+              );
+              await seedCalendarChannelEventAssociations(
+                entityManager,
+                dataSourceMetadata.schema,
+              );
+              await seedCalendarEventParticipants(
+                entityManager,
+                dataSourceMetadata.schema,
+              );
             }
 
             await viewPrefillData(
diff --git a/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel-event-association.ts b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel-event-association.ts
new file mode 100644
index 000000000..59530a45e
--- /dev/null
+++ b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel-event-association.ts
@@ -0,0 +1,28 @@
+import { EntityManager } from 'typeorm';
+
+const tableName = 'calendarChannelEventAssociation';
+
+export const seedCalendarChannelEventAssociations = async (
+  entityManager: EntityManager,
+  schemaName: string,
+) => {
+  await entityManager
+    .createQueryBuilder()
+    .insert()
+    .into(`${schemaName}.${tableName}`, [
+      'id',
+      'calendarChannelId',
+      'calendarEventId',
+      'eventExternalId',
+    ])
+    .orIgnore()
+    .values([
+      {
+        id: 'e1ab9e1b-df6e-438e-a788-11c96dcecdd3',
+        calendarChannelId: '59efdefe-a40f-4faf-bb9f-c6f9945b8203',
+        calendarEventId: '86083141-1c0e-494c-a1b6-85b1c6fefaa5',
+        eventExternalId: 'exampleExternalId',
+      },
+    ])
+    .execute();
+};
diff --git a/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel.ts b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel.ts
new file mode 100644
index 000000000..5235f5802
--- /dev/null
+++ b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-channel.ts
@@ -0,0 +1,34 @@
+import { EntityManager } from 'typeorm';
+
+import { DEV_SEED_CONNECTED_ACCOUNT_IDS } from 'src/database/typeorm-seeds/workspace/connected-account';
+
+const tableName = 'calendarChannel';
+
+export const seedCalendarChannels = async (
+  entityManager: EntityManager,
+  schemaName: string,
+) => {
+  await entityManager
+    .createQueryBuilder()
+    .insert()
+    .into(`${schemaName}.${tableName}`, [
+      'id',
+      'connectedAccountId',
+      'handle',
+      'visibility',
+      'isContactAutoCreationEnabled',
+      'isSyncEnabled',
+    ])
+    .orIgnore()
+    .values([
+      {
+        id: '59efdefe-a40f-4faf-bb9f-c6f9945b8203',
+        connectedAccountId: DEV_SEED_CONNECTED_ACCOUNT_IDS.TIM,
+        handle: 'tim@apple.com',
+        visibility: 'SHARE_EVERYTHING',
+        isContactAutoCreationEnabled: true,
+        isSyncEnabled: true,
+      },
+    ])
+    .execute();
+};
diff --git a/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-event-participants.ts b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-event-participants.ts
new file mode 100644
index 000000000..bcdaa33a1
--- /dev/null
+++ b/packages/twenty-server/src/database/typeorm-seeds/workspace/calendar-event-participants.ts
@@ -0,0 +1,50 @@
+import { EntityManager } from 'typeorm';
+
+import { DEV_SEED_PERSON_IDS } from 'src/database/typeorm-seeds/workspace/people';
+import { DEV_SEED_WORKSPACE_MEMBER_IDS } from 'src/database/typeorm-seeds/workspace/workspace-members';
+import { CalendarEventParticipantResponseStatus } from 'src/modules/calendar/standard-objects/calendar-event-participant.object-metadata';
+
+const tableName = 'calendarEventParticipant';
+
+export const seedCalendarEventParticipants = async (
+  entityManager: EntityManager,
+  schemaName: string,
+) => {
+  await entityManager
+    .createQueryBuilder()
+    .insert()
+    .into(`${schemaName}.${tableName}`, [
+      'id',
+      'calendarEventId',
+      'handle',
+      'displayName',
+      'isOrganizer',
+      'responseStatus',
+      'personId',
+      'workspaceMemberId',
+    ])
+    .orIgnore()
+    .values([
+      {
+        id: 'da8f47c3-8055-49ad-b7e4-9c9d5bbc1ecc',
+        calendarEventId: '86083141-1c0e-494c-a1b6-85b1c6fefaa5',
+        handle: 'christoph.calisto@linkedin.com',
+        displayName: 'Christoph Calisto',
+        isOrganizer: true,
+        responseStatus: CalendarEventParticipantResponseStatus.ACCEPTED,
+        personId: DEV_SEED_PERSON_IDS.CHRISTOPH,
+        workspaceMemberId: null,
+      },
+      {
+        id: 'e1ab9e1b-df6e-438e-a788-11c96dcecdd3',
+        calendarEventId: '86083141-1c0e-494c-a1b6-85b1c6fefaa5',
+        handle: 'tim@apple.com',
+        displayName: 'Tim Apple',
+        isOrganizer: false,
+        responseStatus: CalendarEventParticipantResponseStatus.ACCEPTED,
+        personId: null,
+        workspaceMemberId: DEV_SEED_WORKSPACE_MEMBER_IDS.TIM,
+      },
+    ])
+    .execute();
+};