diff --git a/.changeset/blue-books-wash.md b/.changeset/blue-books-wash.md
new file mode 100644
index 0000000000000..95f0b7e1f5867
--- /dev/null
+++ b/.changeset/blue-books-wash.md
@@ -0,0 +1,6 @@
+---
+"@rocket.chat/meteor": patch
+"@rocket.chat/rest-typings": patch
+---
+
+Fixes an issue that prevented the action of saving an agent when editing a department to work.
diff --git a/apps/meteor/tests/end-to-end/api/livechat/10-departments.ts b/apps/meteor/tests/end-to-end/api/livechat/10-departments.ts
index 3b4a191cd5120..99ca5591b25a4 100644
--- a/apps/meteor/tests/end-to-end/api/livechat/10-departments.ts
+++ b/apps/meteor/tests/end-to-end/api/livechat/10-departments.ts
@@ -907,7 +907,8 @@ import { IS_EE } from '../../../e2e/config/constants';
 			const res = await request
 				.post(api(`livechat/department/${dep._id}/agents`))
 				.set(credentials)
-				.send({ upsert: [{ agentId: agent._id, username: agent.username }], remove: [] })
+				// UI sends agent name as well. API doens't use it, but keeping here for avoid Breaking Changes
+				.send({ upsert: [{ agentId: agent._id, username: agent.username, name: agent.name }], remove: [] })
 				.expect(200);
 			expect(res.body).to.have.property('success', true);
 			await deleteDepartment(dep._id);
diff --git a/packages/rest-typings/src/v1/omnichannel.ts b/packages/rest-typings/src/v1/omnichannel.ts
index 1992e860bc037..7ab919ca9c6ac 100644
--- a/packages/rest-typings/src/v1/omnichannel.ts
+++ b/packages/rest-typings/src/v1/omnichannel.ts
@@ -165,8 +165,8 @@ export const isLivechatDepartmentDepartmentIdAgentsGETProps = ajv.compile<Livech
 );
 
 type LivechatDepartmentDepartmentIdAgentsPOST = {
-	upsert: { agentId: string; username: string; count?: number; order?: number }[];
-	remove: { agentId: string; username: string; count?: number; order?: number }[];
+	upsert: { agentId: string; username: string; name?: string; count?: number; order?: number }[];
+	remove: { agentId: string; username: string; name?: string; count?: number; order?: number }[];
 };
 
 const LivechatDepartmentDepartmentIdAgentsPOSTSchema = {
@@ -183,6 +183,7 @@ const LivechatDepartmentDepartmentIdAgentsPOSTSchema = {
 					username: {
 						type: 'string',
 					},
+					name: { type: 'string' },
 					count: {
 						type: 'number',
 					},
@@ -205,6 +206,9 @@ const LivechatDepartmentDepartmentIdAgentsPOSTSchema = {
 					username: {
 						type: 'string',
 					},
+					name: {
+						type: 'string',
+					},
 					count: {
 						type: 'number',
 					},