diff --git a/app/Services/HR/EmployeeService.php b/app/Services/HR/EmployeeService.php
index e33bee4b..cb2602e6 100644
--- a/app/Services/HR/EmployeeService.php
+++ b/app/Services/HR/EmployeeService.php
@@ -226,6 +226,12 @@ public function createEmployee(array $data): Employee
                 $dependents = array_values(array_filter($data['dependents'], function ($dep) {
                     return ! empty($dep['name']);
                 }));
+                $dependents = array_map(function ($dep) {
+                    $dep['is_disabled'] = filter_var($dep['is_disabled'] ?? false, FILTER_VALIDATE_BOOLEAN);
+                    $dep['is_dependent'] = filter_var($dep['is_dependent'] ?? false, FILTER_VALIDATE_BOOLEAN);
+
+                    return $dep;
+                }, $dependents);
                 if (! empty($dependents)) {
                     $jsonExtra['dependents'] = $dependents;
                 }
@@ -305,6 +311,12 @@ public function updateEmployee(int $id, array $data): ?Employee
                 $dependents = array_values(array_filter($data['dependents'], function ($dep) {
                     return ! empty($dep['name']);
                 }));
+                $dependents = array_map(function ($dep) {
+                    $dep['is_disabled'] = filter_var($dep['is_disabled'] ?? false, FILTER_VALIDATE_BOOLEAN);
+                    $dep['is_dependent'] = filter_var($dep['is_dependent'] ?? false, FILTER_VALIDATE_BOOLEAN);
+
+                    return $dep;
+                }, $dependents);
                 if (! empty($dependents)) {
                     $extra['dependents'] = $dependents;
                 } else {
diff --git a/resources/views/hr/employees/edit.blade.php b/resources/views/hr/employees/edit.blade.php
index 649a64e5..cb0387d8 100644
--- a/resources/views/hr/employees/edit.blade.php
+++ b/resources/views/hr/employees/edit.blade.php
@@ -265,14 +265,14 @@ class="w-full px-2 py-1.5 border border-gray-300 rounded text-sm focus:ring-1 fo
                                 </select>
                             </div>
                             <label class="inline-flex items-center gap-1 text-sm text-gray-600 cursor-pointer">
-                                <input type="hidden" :name="'dependents['+index+'][is_disabled]'" value="0">
-                                <input type="checkbox" :name="'dependents['+index+'][is_disabled]'" x-model="dep.is_disabled" value="1"
+                                <input type="hidden" :name="'dependents['+index+'][is_disabled]'" :value="dep.is_disabled ? '1' : '0'">
+                                <input type="checkbox" x-model="dep.is_disabled"
                                        class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                 장애인
                             </label>
                             <label class="inline-flex items-center gap-1 text-sm text-gray-600 cursor-pointer">
-                                <input type="hidden" :name="'dependents['+index+'][is_dependent]'" value="0">
-                                <input type="checkbox" :name="'dependents['+index+'][is_dependent]'" x-model="dep.is_dependent" value="1"
+                                <input type="hidden" :name="'dependents['+index+'][is_dependent]'" :value="dep.is_dependent ? '1' : '0'">
+                                <input type="checkbox" x-model="dep.is_dependent"
                                        class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                 피부양자적용
                             </label>
@@ -360,7 +360,11 @@ class="text-red-400 hover:text-red-600 shrink-0 ml-2" title="삭제">
 <script>
     function dependentsManager() {
         return {
-            dependents: @json($employee->dependents ?? []),
+            dependents: (@json($employee->dependents ?? [])).map(dep => ({
+                ...dep,
+                is_disabled: !!(dep.is_disabled && dep.is_disabled !== '0' && dep.is_disabled !== 0),
+                is_dependent: !!(dep.is_dependent && dep.is_dependent !== '0' && dep.is_dependent !== 0),
+            })),
             addDependent() {
                 this.dependents.push({
                     name: '', nationality: 'korean', resident_number: '',
diff --git a/resources/views/hr/employees/show.blade.php b/resources/views/hr/employees/show.blade.php
index 9fe264cd..136e618b 100644
--- a/resources/views/hr/employees/show.blade.php
+++ b/resources/views/hr/employees/show.blade.php
@@ -213,8 +213,8 @@ class="inline-flex items-center gap-2 px-4 py-2 bg-blue-600 hover:bg-blue-700 te
                                                 @default - @break
                                             @endswitch
                                         </td>
-                                        <td class="py-2 pr-3">{{ !empty($dep['is_disabled']) ? 'Y' : 'N' }}</td>
-                                        <td class="py-2">{{ !empty($dep['is_dependent']) ? 'Y' : 'N' }}</td>
+                                        <td class="py-2 pr-3">{{ filter_var($dep['is_disabled'] ?? false, FILTER_VALIDATE_BOOLEAN) ? 'Y' : 'N' }}</td>
+                                        <td class="py-2">{{ filter_var($dep['is_dependent'] ?? false, FILTER_VALIDATE_BOOLEAN) ? 'Y' : 'N' }}</td>
                                     </tr>
                                 @endforeach
                             </tbody>