diff --git a/backend/src/modules/ai/prompts/ai-prompts.module.ts b/backend/src/modules/ai/prompts/ai-prompts.module.ts
index f1c784dc..9aedc724 100644
--- a/backend/src/modules/ai/prompts/ai-prompts.module.ts
+++ b/backend/src/modules/ai/prompts/ai-prompts.module.ts
@@ -1,6 +1,7 @@
 // File: backend/src/modules/ai/prompts/ai-prompts.module.ts
 // Change Log
 // - 2026-05-25: Created AiPromptsModule for prompt versioning system (ADR-029)
+// - 2026-05-26: Import UserModule to resolve RbacGuard dependency (UserService)
 
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
@@ -8,12 +9,13 @@ import { AiPrompt } from './ai-prompts.entity';
 import { AuditLog } from '../../../common/entities/audit-log.entity';
 import { AiPromptsService } from './ai-prompts.service';
 import { AiPromptsController } from './ai-prompts.controller';
+import { UserModule } from '../../user/user.module';
 
 /**
  * Module สำหรับการจัดการเวอร์ชันของ AI Prompts ใน OCR Pipeline
  */
 @Module({
-  imports: [TypeOrmModule.forFeature([AiPrompt, AuditLog])],
+  imports: [TypeOrmModule.forFeature([AiPrompt, AuditLog]), UserModule],
   controllers: [AiPromptsController],
   providers: [AiPromptsService],
   exports: [AiPromptsService],