diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py
index 94c37321f..c414010cf 100644
--- a/rest_framework/serializers.py
+++ b/rest_framework/serializers.py
@@ -55,8 +55,8 @@ from rest_framework.fields import (  # NOQA # isort:skip
     BooleanField, CharField, ChoiceField, DateField, DateTimeField, DecimalField,
     DictField, DurationField, EmailField, Field, FileField, FilePathField, FloatField,
     HiddenField, IPAddressField, ImageField, IntegerField, JSONField, ListField,
-    ModelField, MultipleChoiceField, NullBooleanField, ReadOnlyField, RegexField,
-    SerializerMethodField, SlugField, TimeField, URLField, UUIDField,
+    ModelField, MultipleChoiceField, NullBooleanField, NumberField, ReadOnlyField,
+    RegexField, SerializerMethodField, SlugField, TimeField, URLField, UUIDField,
 )
 from rest_framework.relations import (  # NOQA # isort:skip
     HyperlinkedIdentityField, HyperlinkedRelatedField, ManyRelatedField,