diff --git a/app/Models/User.php b/app/Models/User.php
index f8786e18..9240da23 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -195,6 +195,14 @@ public function currentTenant()
         return $this->tenants()->find($tenantId);
     }
 
+    /**
+     * 관계: 테넌트별 프로필 (tenant_user_profiles 테이블)
+     */
+    public function tenantProfiles(): HasMany
+    {
+        return $this->hasMany(\App\Models\HR\Employee::class, 'user_id');
+    }
+
     /**
      * 관계: 사용자-역할 (user_roles 테이블, 테넌트별)
      */
diff --git a/app/Services/HR/AttendanceRequestService.php b/app/Services/HR/AttendanceRequestService.php
index 0ec06757..8bfc534a 100644
--- a/app/Services/HR/AttendanceRequestService.php
+++ b/app/Services/HR/AttendanceRequestService.php
@@ -18,7 +18,7 @@ public function getRequests(array $filters = [], int $perPage = 20): LengthAware
         $tenantId = session('selected_tenant_id');
 
         $query = AttendanceRequest::query()
-            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId), 'approver'])
+            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId), 'user.tenantProfiles.department', 'approver'])
             ->forTenant($tenantId)
             ->orderByRaw("FIELD(status, 'pending', 'approved', 'rejected')")
             ->orderBy('created_at', 'desc');
diff --git a/app/Services/HR/AttendanceService.php b/app/Services/HR/AttendanceService.php
index ceff5bd9..d5f66d22 100644
--- a/app/Services/HR/AttendanceService.php
+++ b/app/Services/HR/AttendanceService.php
@@ -21,7 +21,7 @@ private function buildFilteredQuery(array $filters = [])
         $tenantId = session('selected_tenant_id');
 
         $query = Attendance::query()
-            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId)])
+            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId), 'user.tenantProfiles.department'])
             ->forTenant($tenantId);
 
         if (! empty($filters['q'])) {
@@ -327,7 +327,7 @@ public function getMonthlyCalendarData(int $year, int $month, ?int $userId = nul
         $endDate = Carbon::create($year, $month, 1)->endOfMonth()->toDateString();
 
         $query = Attendance::query()
-            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId)])
+            ->with(['user', 'user.tenantProfiles' => fn ($q) => $q->where('tenant_id', $tenantId), 'user.tenantProfiles.department'])
             ->forTenant($tenantId)
             ->betweenDates($startDate, $endDate)
             ->orderBy('base_date')