diff --git a/smap_app/smap/migrations/0004_sumari_created_at.py b/smap_app/smap/migrations/0004_sumari_created_at.py
new file mode 100644
index 0000000..5520af3
--- /dev/null
+++ b/smap_app/smap/migrations/0004_sumari_created_at.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-02-19 04:51
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('smap', '0003_auto_20170115_0336'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sumari',
+            name='created_at',
+            field=models.DateTimeField(auto_created=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+    ]
diff --git a/smap_app/smap/migrations/0005_sumari_updated_at.py b/smap_app/smap/migrations/0005_sumari_updated_at.py
new file mode 100644
index 0000000..c10dbfa
--- /dev/null
+++ b/smap_app/smap/migrations/0005_sumari_updated_at.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-02-19 04:52
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('smap', '0004_sumari_created_at'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='sumari',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]
diff --git a/smap_app/smap/models.py b/smap_app/smap/models.py
index 954e4ac..be25de0 100644
--- a/smap_app/smap/models.py
+++ b/smap_app/smap/models.py
@@ -18,6 +18,8 @@ def __str__(self):
 
 
 class Sumari(models.Model):
+    created_at = models.DateTimeField(auto_created=True)
+    updated_at = models.DateTimeField(auto_now=True)
     tags = models.ManyToManyField(Tag)
     name = models.CharField(max_length=32)
     message = models.CharField(max_length=140)