diff --git a/infotech/students/migrations/0012_alter_student_schedules.py b/infotech/students/migrations/0012_alter_student_schedules.py
new file mode 100644
index 0000000..740dd09
--- /dev/null
+++ b/infotech/students/migrations/0012_alter_student_schedules.py
@@ -0,0 +1,19 @@
+# Generated by Django 4.2 on 2023-04-22 08:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('schedules', '0007_schedule_semester'),
+        ('students', '0011_student_schedules'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='student',
+            name='schedules',
+            field=models.ManyToManyField(null=True, related_name='StudentSchedule_subject', through='schedules.StudentSchedule', to='schedules.schedule'),
+        ),
+    ]
diff --git a/infotech/students/serializers.py b/infotech/students/serializers.py
index a45f88e..49a1368 100644
--- a/infotech/students/serializers.py
+++ b/infotech/students/serializers.py
@@ -8,7 +8,7 @@ from subjects.models import Subject
 
 class StudentSerializer(serializers.HyperlinkedModelSerializer):
     schedules = serializers.SlugRelatedField(
-        queryset=Subject.objects.all(), many=True, slug_field='name', allow_null=True)
+        queryset=Subject.objects.all(), many=True, slug_field='name', allow_null=True, required=False)
 
     class Meta:
         model = Student