diff --git a/composer.lock b/composer.lock
index 0e912d4..0095894 100644
--- a/composer.lock
+++ b/composer.lock
@@ -8966,5 +8966,5 @@
         "php": "^8.0.2"
     },
     "platform-dev": [],
-    "plugin-api-version": "2.3.0"
+    "plugin-api-version": "2.2.0"
 }
diff --git a/database/migrations/2022_09_22_152240_create_personas.php b/database/migrations/2022_09_22_152240_create_personas.php
index 6ff4148..d20801c 100644
--- a/database/migrations/2022_09_22_152240_create_personas.php
+++ b/database/migrations/2022_09_22_152240_create_personas.php
@@ -24,7 +24,7 @@ public function up()
             $table->boolean('donante');
             $table->date('fecha_nac');
             $table->Integer('id_tipo_sangre')->unsigned();
-            $table->foreign('id_tipo_sangre')->references('id_tipo_sangre')->on('tipo_sangre');
+            $table->foreign('id_tipo_sangre')->references('id_tipo_sangre')->on('tipos_sangre');
             $table->timestamps();
         });
     }
diff --git a/database/migrations/2022_09_26_151715_create_citas.php b/database/migrations/2022_09_26_151715_create_citas.php
index e40b078..a031b81 100644
--- a/database/migrations/2022_09_26_151715_create_citas.php
+++ b/database/migrations/2022_09_26_151715_create_citas.php
@@ -17,9 +17,10 @@ public function up()
             $table->increments('id_cita');
             $table->dateTime('fecha_cita');
             $table->string('detalles_cita');
-            $table->Integer('id_secretaria')->unsigned();
+            //TODO: arreglar el nullable
+            $table->Integer('id_secretaria')->unsigned()->nullable();
             $table->foreign('id_secretaria')->references('id')->on('users');
-            $table->Integer('id_paciente')->unsigned();
+            $table->Integer('id_paciente')->unsigned()->nullable();
             $table->foreign('id_paciente')->references('id')->on('users');
             $table->timestamps();
         });