diff --git a/sapl/base/search_indexes.py b/sapl/base/search_indexes.py
index bee7a54e3..e614a2f79 100644
--- a/sapl/base/search_indexes.py
+++ b/sapl/base/search_indexes.py
@@ -28,6 +28,9 @@ class DocumentoAcessorioIndex(indexes.SearchIndex, indexes.Indexable):
     def index_queryset(self, using=None):
         return self.get_model().objects.all()
 
+    def get_updated_field(self):
+        return 'data_ultima_atualizacao'
+
     def solr_extraction(self, arquivo):
         extracted_data = self._get_backend(None).extract_file_contents(
             arquivo)['contents']
@@ -111,6 +114,9 @@ class MateriaLegislativaIndex(DocumentoAcessorioIndex):
     model = MateriaLegislativa
     template_name = 'materia/materialegislativa_text.txt'
 
+    def get_updated_field(self):
+        return 'data_ultima_atualizacao'
+
 
 class NormaJuridicaIndex(DocumentoAcessorioIndex):
     text = indexes.CharField(document=True, use_template=True)
@@ -118,3 +124,6 @@ class NormaJuridicaIndex(DocumentoAcessorioIndex):
     filename = 'texto_integral'
     model = NormaJuridica
     template_name = 'norma/normajuridica_text.txt'
+
+    def get_updated_field(self):
+        return 'data_ultima_atualizacao'    
diff --git a/sapl/materia/migrations/0009_auto_20170712_0951.py b/sapl/materia/migrations/0009_auto_20170712_0951.py
new file mode 100644
index 000000000..ecec298a9
--- /dev/null
+++ b/sapl/materia/migrations/0009_auto_20170712_0951.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.11 on 2017-07-12 09:51
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('materia', '0008_auto_20170622_1527'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='documentoacessorio',
+            name='data_ultima_atualizacao',
+            field=models.DateTimeField(auto_now=True, null=True, verbose_name='Data'),
+        ),
+        migrations.AddField(
+            model_name='materialegislativa',
+            name='data_ultima_atualizacao',
+            field=models.DateTimeField(auto_now=True, null=True, verbose_name='Data'),
+        ),
+    ]
diff --git a/sapl/materia/models.py b/sapl/materia/models.py
index ec17e1ded..8d9eae4f5 100644
--- a/sapl/materia/models.py
+++ b/sapl/materia/models.py
@@ -225,6 +225,11 @@ class MateriaLegislativa(models.Model):
         through_fields=('materia', 'autor'),
         symmetrical=False,)
 
+    data_ultima_atualizacao = models.DateTimeField(
+        blank=True, null=True,
+        auto_now=True,
+        verbose_name=_('Data'))
+
     class Meta:
         verbose_name = _('Matéria Legislativa')
         verbose_name_plural = _('Matérias Legislativas')
@@ -421,6 +426,11 @@ class DocumentoAcessorio(models.Model):
     proposicao = GenericRelation(
         'Proposicao', related_query_name='proposicao')
 
+    data_ultima_atualizacao = models.DateTimeField(
+        blank=True, null=True,
+        auto_now=True,
+        verbose_name=_('Data'))
+
     class Meta:
         verbose_name = _('Documento Acessório')
         verbose_name_plural = _('Documentos Acessórios')
diff --git a/sapl/norma/migrations/0006_normajuridica_data_ultima_atualizacao.py b/sapl/norma/migrations/0006_normajuridica_data_ultima_atualizacao.py
new file mode 100644
index 000000000..9f5d5faba
--- /dev/null
+++ b/sapl/norma/migrations/0006_normajuridica_data_ultima_atualizacao.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.11 on 2017-07-12 09:51
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('norma', '0005_merge'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='normajuridica',
+            name='data_ultima_atualizacao',
+            field=models.DateTimeField(auto_now=True, null=True, verbose_name='Data'),
+        ),
+    ]
diff --git a/sapl/norma/models.py b/sapl/norma/models.py
index 20166e7f5..a80f5a564 100644
--- a/sapl/norma/models.py
+++ b/sapl/norma/models.py
@@ -69,7 +69,7 @@ class NormaJuridica(models.Model):
         ('F', 'federal', _('Federal')),
         ('M', 'municipal', _('Municipal')),
     )
-    
+
     texto_integral = models.FileField(
         blank=True,
         null=True,
@@ -121,6 +121,11 @@ class NormaJuridica(models.Model):
     texto_articulado = GenericRelation(
         TextoArticulado, related_query_name='texto_articulado')
 
+    data_ultima_atualizacao = models.DateTimeField(
+        blank=True, null=True,
+        auto_now=True,
+        verbose_name=_('Data'))
+
     class Meta:
         verbose_name = _('Norma Jurídica')
         verbose_name_plural = _('Normas Jurídicas')