diff --git a/binder/models.py b/binder/models.py
index 53a95639..4e2c9966 100644
--- a/binder/models.py
+++ b/binder/models.py
@@ -239,11 +239,14 @@ class IntegerFieldFilter(FieldFilter):
 		models.ManyToManyField,
 		models.ManyToManyRel,
 	]
-	allowed_qualifiers = [None, 'in', 'gt', 'gte', 'lt', 'lte', 'range', 'isnull']
+	allowed_qualifiers = [None, 'in', 'gt', 'gte', 'lt', 'lte', 'range', 'isnull', 'icontains']
 
 	def clean_value(self, qualifier, v):
 		try:
-			return int(v)
+			if qualifier == 'icontains':
+				return str(v)
+			else:
+				return int(v)
 		except ValueError:
 			raise ValidationError('Invalid value {{{}}} for {}.'.format(v, self.field_description()))
 
diff --git a/docker-compose.yml b/docker-compose.yml
index b0aeb0c7..d489fdf6 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,11 @@
 services:
   db:
-    image: postgres:11.5
+    restart: always
+    image: postgres:12
+    environment: 
+      - POSTGRES_HOST_AUTH_METHOD=trust
   binder:
+    restart: always
     build: .
     command: tail -f /dev/null
     volumes:
diff --git a/tests/filters/test_integer_icontains.py b/tests/filters/test_integer_icontains.py
new file mode 100644
index 00000000..2761c50d
--- /dev/null
+++ b/tests/filters/test_integer_icontains.py
@@ -0,0 +1,63 @@
+import unittest, os
+
+from django.test import TestCase, Client
+from django.contrib.auth.models import User
+
+from binder.json import jsonloads
+
+from ..testapp.models import Zoo, ZooEmployee
+
+
+@unittest.skipIf(
+	os.environ.get('BINDER_TEST_MYSQL', '0') != '0',
+	"Only available with PostgreSQL"
+)
+class IntegerIcontainsTest(TestCase):
+
+    def setUp(self):
+        super().setUp()
+        u = User(username='testuser', is_active=True, is_superuser=True)
+        u.set_password('test')
+        u.save()
+
+        self.client = Client()
+        r = self.client.login(username='testuser', password='test')
+        self.assertTrue(r)
+
+        zoo = Zoo(name='Yes')
+        zoo.save()
+
+        ZooEmployee(name='Small Number Fan', favorite_number='3', zoo=zoo).save()
+        ZooEmployee(name='Big Number Enjoyer', favorite_number='100023', zoo=zoo).save()
+        ZooEmployee(name='Bob', favorite_number='101', zoo=zoo).save()
+
+    def test_filter_partial_match(self):
+        response = self.client.get('/zoo_employee/', data={'.favorite_number:icontains': '3'})
+
+        self.assertEqual(response.status_code, 200)
+
+        result = jsonloads(response.content)
+        self.assertEqual(2, len(result['data']))
+        self.assertEqual('Small Number Fan', result['data'][0]['name'])
+        self.assertEqual('Big Number Enjoyer', result['data'][1]['name'])
+
+        response = self.client.get('/zoo_employee/', data={'.favorite_number:icontains': '100'})
+
+        result = jsonloads(response.content)
+        self.assertEqual(1, len(result['data']))
+        self.assertEqual('Big Number Enjoyer', result['data'][0]['name'])
+
+    def test_filter_exact_match(self):
+        response = self.client.get('/zoo_employee/', data={'.favorite_number': '3'})
+
+        self.assertEqual(response.status_code, 200)
+
+        result = jsonloads(response.content)
+        self.assertEqual(1, len(result['data']))
+        self.assertEqual('Small Number Fan', result['data'][0]['name'])
+
+        response = self.client.get('/zoo_employee/', data={'.favorite_number': '101'})
+
+        result = jsonloads(response.content)
+        self.assertEqual(1, len(result['data']))
+        self.assertEqual('Bob', result['data'][0]['name'])
diff --git a/tests/testapp/models/zoo_employee.py b/tests/testapp/models/zoo_employee.py
index 12ec8abc..9dd6939b 100644
--- a/tests/testapp/models/zoo_employee.py
+++ b/tests/testapp/models/zoo_employee.py
@@ -7,6 +7,7 @@ class ZooEmployee(LoadedValuesMixin, BinderModel):
 	name = models.TextField(max_length=64)
 	zoo = models.ForeignKey('Zoo', on_delete=models.CASCADE, related_name='zoo_employees')
 	hourly_wage = models.DecimalField(max_digits=4, decimal_places=2, null=True, blank=True)
+	favorite_number = models.IntegerField(null=True, blank=True)
 	deleted = models.BooleanField(default=False)  # Softdelete
 
 	def __str__(self):