diff --git a/source/commands/api/users/list.tsx b/source/commands/api/users/list.tsx
index e4757e6b..5ae762d5 100644
--- a/source/commands/api/users/list.tsx
+++ b/source/commands/api/users/list.tsx
@@ -78,6 +78,15 @@ export const options = object({
 				alias: 'a',
 			}),
 		),
+	includeResourceInstanceRoles: boolean()
+		.optional()
+		.default(false)
+		.describe(
+			option({
+				description: 'Include resource instance roles in the response',
+				alias: 'i',
+			}),
+		),
 });
 
 type Props = {
diff --git a/source/components/api/PermitUsersListComponent.tsx b/source/components/api/PermitUsersListComponent.tsx
index f7ccac2a..4982dc92 100644
--- a/source/components/api/PermitUsersListComponent.tsx
+++ b/source/components/api/PermitUsersListComponent.tsx
@@ -8,7 +8,9 @@ import Spinner from 'ink-spinner';
 import { usersApi, type UserData } from '../../utils/permitApi.js';
 
 type Props = {
-	options: zInfer<typeof options>;
+	options: zInfer<typeof options> & {
+		includeResourceInstanceRoles?: boolean;
+	};
 };
 
 // Transforms API data into table-friendly format while preserving type safety
@@ -79,6 +81,7 @@ export default function PermitUsersListComponent({ options }: Props) {
 					perPage: options.perPage,
 					role: options.role,
 					tenant: options.tenant,
+					include_resource_instance_roles: options.includeResourceInstanceRoles,
 				});
 
 				if (!response.success) {
diff --git a/source/utils/permitApi.ts b/source/utils/permitApi.ts
index 60c3700f..433f13a7 100644
--- a/source/utils/permitApi.ts
+++ b/source/utils/permitApi.ts
@@ -64,6 +64,7 @@ export interface ListUsersRequest extends PermitApiOptions {
 	perPage?: number;
 	role?: string;
 	tenant?: string;
+	include_resource_instance_roles?: boolean;
 }
 
 export interface RoleAssignmentRequest extends PermitApiOptions {
@@ -88,6 +89,11 @@ export const usersApi = {
 				page: String(options.page || 1),
 				per_page: String(options.perPage || 50),
 				...(options.role && { role: options.role }),
+				...(options.include_resource_instance_roles !== undefined && {
+					include_resource_instance_roles: String(
+						options.include_resource_instance_roles,
+					),
+				}),
 			},
 		);
 	},
diff --git a/tests/api-users.test.tsx b/tests/api-users.test.tsx
index c3d0f552..ecbec31b 100644
--- a/tests/api-users.test.tsx
+++ b/tests/api-users.test.tsx
@@ -162,6 +162,56 @@ describe('API Users List Command', () => {
 		await delay(100);
 		expect(lastFrame()?.toString()).toMatch(/Error/);
 	});
+
+	it('should include resource instance roles when option is set', async () => {
+		(fetch as any).mockResolvedValue({
+			ok: true,
+			json: async () => ({
+				success: true,
+				data: [
+					{
+						key: 'user1',
+						email: 'test@test.com',
+						first_name: 'Test',
+						last_name: 'User',
+						roles: [
+							{
+								role: 'admin',
+								tenant: 'tenant1',
+								resource_instance: {
+									type: 'project',
+									key: 'proj1',
+								},
+							},
+						],
+					},
+				],
+				total_count: 1,
+				page: 1,
+			}),
+		});
+
+		const options = {
+			apiKey: demoPermitKey,
+			page: 1,
+			perPage: 10,
+			all: false,
+			expandKey: false,
+			includeResourceInstanceRoles: true,
+		};
+
+		const { lastFrame } = render(<List options={options} />);
+		expect(lastFrame()?.toString()).toMatch(/Loading Token/);
+
+		await delay(100);
+		expect(lastFrame()).toMatch(/Showing 1 items/);
+
+		// Verify the API was called with the correct parameter
+		expect(fetch).toHaveBeenCalledWith(
+			expect.stringContaining('include_resource_instance_roles=true'),
+			expect.any(Object),
+		);
+	});
 });
 
 describe('API Users Commands', () => {