diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index c35a0f04..798266a7 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,6 +1,6 @@
 [bumpversion]
 commit = True
-current_version = 5.1.4
+current_version = 5.1.5
 files = mixer/__init__.py
 tag = True
 tag_name = {new_version}
diff --git a/.gitignore b/.gitignore
index f6c0d678..42c0b4b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,5 @@
 dist
 docs/_build
 /*.egg-info
+/.coverage
+/.ropeproject
diff --git a/mixer/__init__.py b/mixer/__init__.py
index 256c568c..c63eeb42 100644
--- a/mixer/__init__.py
+++ b/mixer/__init__.py
@@ -14,7 +14,7 @@
 # Module information
 # ==================
 
-__version__ = "5.1.4"
+__version__ = "5.1.5"
 __project__ = "mixer"
 __author__ = "horneds <horneds@gmail.com>"
 __license__ = "BSD"
diff --git a/mixer/_faker.py b/mixer/_faker.py
index d4f5bbcc..a6c04497 100644
--- a/mixer/_faker.py
+++ b/mixer/_faker.py
@@ -177,6 +177,9 @@ def nickname(self):
         ))
         return self.bothify(self.generator.parse(template))
 
+    def pybytes(self, size=20):
+        return bytes(self.pystr(size))
+
 
 class MixerGenerator(Generator):
 
diff --git a/mixer/backend/django.py b/mixer/backend/django.py
index 79c1546f..bdceec21 100644
--- a/mixer/backend/django.py
+++ b/mixer/backend/django.py
@@ -78,17 +78,18 @@ class GenFactory(BaseFactory):
     """ Map a django classes to simple types. """
 
     types = {
-        models.IntegerField: int,
-        (models.CharField, models.SlugField): str,
+        (models.AutoField, models.PositiveIntegerField): t.PositiveInteger,
         models.BigIntegerField: t.BigInteger,
+        models.BinaryField: bytes,
         models.BooleanField: bool,
+        (models.CharField, models.SlugField): str,
         models.DateField: datetime.date,
         models.DecimalField: decimal.Decimal,
         models.EmailField: t.EmailString,
         models.FloatField: float,
-        models.IPAddressField: t.IP4String,
         models.GenericIPAddressField: t.IPString,
-        (models.AutoField, models.PositiveIntegerField): t.PositiveInteger,
+        models.IPAddressField: t.IP4String,
+        models.IntegerField: int,
         models.PositiveSmallIntegerField: t.PositiveSmallInteger,
         models.SmallIntegerField: t.SmallInteger,
         models.TextField: t.Text,
diff --git a/mixer/factory.py b/mixer/factory.py
index 0af7e020..aea00f9c 100644
--- a/mixer/factory.py
+++ b/mixer/factory.py
@@ -61,6 +61,7 @@ class GenFactory(_.with_metaclass(GenFactoryMeta)):
         float: faker.pyfloat,
         int: faker.random_int,
         str: faker.pystr,
+        bytes: faker.pybytes,
         list: faker.pylist,
         set: faker.pyset,
         tuple: faker.pytuple,
diff --git a/tests/django_app/migrations/0001_initial.py b/tests/django_app/migrations/0001_initial.py
index 46f40e09..5f609f2a 100644
--- a/tests/django_app/migrations/0001_initial.py
+++ b/tests/django_app/migrations/0001_initial.py
@@ -149,6 +149,7 @@ class Migration(migrations.Migration):
                 ('error_code', models.PositiveSmallIntegerField()),
                 ('custom', CustomField(max_length=24)),
                 ('content_type', models.ForeignKey(to='contenttypes.ContentType')),
+                ('binary', models.BinaryField()),
             ],
             options={
             },
diff --git a/tests/django_app/models.py b/tests/django_app/models.py
index 4eb61a95..013fddac 100644
--- a/tests/django_app/models.py
+++ b/tests/django_app/models.py
@@ -48,6 +48,8 @@ class Rabbit(models.Model):
     custom = CustomField(max_length=24)
     content_object = generic.GenericForeignKey('content_type', 'object_id')
 
+    binary = models.BinaryField()
+
     one2one = models.OneToOneField('django_app.Simple')
 
     def save(self, **kwargs):
diff --git a/tests/test_faker.py b/tests/test_faker.py
index 4a91d925..97b03837 100644
--- a/tests/test_faker.py
+++ b/tests/test_faker.py
@@ -43,3 +43,5 @@ def test_faker():
     assert faker.env is env
 
     assert faker.email()
+
+    assert faker.pybytes()
diff --git a/tests/test_main.py b/tests/test_main.py
index 30b7b180..3c18d8b2 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -240,9 +240,6 @@ def test_ctx():
         phone = mixer.faker.phone_number()
         assert phone.startswith('+7')
 
-    phone = mixer.faker.phone_number()
-    assert not phone.startswith('+7')
-
     assert LOGGER.level == level