diff --git a/agate/data_types/number.py b/agate/data_types/number.py
index d5fdc158..9c4c9328 100644
--- a/agate/data_types/number.py
+++ b/agate/data_types/number.py
@@ -70,6 +70,10 @@ def cast(self, d):
             return Decimal(d)
         elif t is float:
             return Decimal(repr(d))
+        elif d == False:
+            return Decimal(0)
+        elif d == True:
+            return Decimal(1)
         elif not isinstance(d, six.string_types):
             raise CastError('Can not parse value "%s" as Decimal.' % d)
 
diff --git a/tests/test_data_types.py b/tests/test_data_types.py
index ab0c7de7..3d05033c 100644
--- a/tests/test_data_types.py
+++ b/tests/test_data_types.py
@@ -124,7 +124,7 @@ def setUp(self):
     def test_test(self):
         self.assertEqual(self.type.test(None), True)
         self.assertEqual(self.type.test('N/A'), True)
-        self.assertEqual(self.type.test(True), False)
+        self.assertEqual(self.type.test(True), True)
         self.assertEqual(self.type.test('True'), False)
         self.assertEqual(self.type.test(1), True)
         self.assertEqual(self.type.test(Decimal('1')), True)
@@ -156,6 +156,11 @@ def test_cast_long(self):
         self.assertEqual(self.type.test(long('141414')), True)
         self.assertEqual(self.type.cast(long('141414')), Decimal('141414'))
 
+    def test_boolean_cast(self):
+        values = (True, False)
+        casted = tuple(self.type.cast(v) for v in values)
+        self.assertSequenceEqual(casted, (Decimal('1'), Decimal('0')))
+
     def test_currency_cast(self):
         values = ('$2.70', '-$0.70', u'€14', u'50¢', u'-75¢', u'-$1,287')
         casted = tuple(self.type.cast(v) for v in values)