diff --git a/app/Http/Requests/Repuve/ModuleStoreRequest.php b/app/Http/Requests/Repuve/ModuleStoreRequest.php
index d3e3220..0bf80ac 100644
--- a/app/Http/Requests/Repuve/ModuleStoreRequest.php
+++ b/app/Http/Requests/Repuve/ModuleStoreRequest.php
@@ -3,6 +3,7 @@
 namespace App\Http\Requests\Repuve;
 
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
 
 class ModuleStoreRequest extends FormRequest
 {
@@ -14,7 +15,7 @@ public function authorize(): bool
     public function rules(): array
     {
         return [
-            'name' => ['required', 'string', 'max:255'],
+            'name' => ['required', 'string', 'max:255', Rule::unique('modules', 'name')],
             'responsible_id' => ['required', 'exists:users,id'],
             'municipality_id' => 'required|exists:municipalities,id',
             'address' => ['required', 'string', 'max:255'],
@@ -31,7 +32,8 @@ public function messages(): array
         return [
             'name.required' => 'El nombre del módulo es requerido',
             'name.string' => 'El nombre debe ser una cadena de texto',
-            'name.max' => 'El nombre no debe superar los 255 caracteres',
+            'name.max'    => 'El nombre no debe superar los 255 caracteres',
+            'name.unique' => 'Ya existe un módulo con ese nombre.',
             'municipality_id.required' => 'El municipio es requerido',
             'address.required' => 'La dirección es requerida',
             'address.string' => 'La dirección debe ser una cadena de texto',
diff --git a/app/Http/Requests/Repuve/ModuleUpdateRequest.php b/app/Http/Requests/Repuve/ModuleUpdateRequest.php
index 4db2511..0a14a4e 100644
--- a/app/Http/Requests/Repuve/ModuleUpdateRequest.php
+++ b/app/Http/Requests/Repuve/ModuleUpdateRequest.php
@@ -3,6 +3,7 @@
 namespace App\Http\Requests\Repuve;
 
 use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
 
 class ModuleUpdateRequest extends FormRequest
 {
@@ -14,7 +15,7 @@ public function authorize(): bool
     public function rules(): array
     {
         return [
-            'name' => ['nullable', 'string', 'max:50'],
+            'name' => ['nullable', 'string', 'max:50', Rule::unique('modules', 'name')->ignore($this->route('module'))],
             'municipality_id' => ['nullable', 'integer', 'exists:municipalities,id'],
             'responsible_id' => ['nullable', 'integer', 'exists:users,id'],
             'address' => ['nullable', 'string', 'max:50'],
@@ -30,6 +31,7 @@ public function messages(): array
     {
         return [
             'name.string' => 'El nombre debe ser texto',
+            'name.unique' => 'Ya existe un módulo con ese nombre.',
             'name.max' => 'El nombre no debe superar los 50 caracteres',
             'municipality_id.integer' => 'El municipio debe ser un número entero',
             'municipality_id.exists' => 'El municipio seleccionado no existe',
diff --git a/lang/es/validation.php b/lang/es/validation.php
index 40f04a3..f69833c 100644
--- a/lang/es/validation.php
+++ b/lang/es/validation.php
@@ -156,6 +156,7 @@
         'maternal' => 'apellido materno',
         'email' => 'correo',
         'phone' => 'teléfono',
+        'responsible_id' => 'responsable',
         'box_number' => 'número de caja',
         'lot' => 'lote',
         'starting_page' => 'página inicial',