diff --git a/disposable_email_checker/fields.py b/disposable_email_checker/fields.py
index 56cdfca..a670552 100644
--- a/disposable_email_checker/fields.py
+++ b/disposable_email_checker/fields.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from django.core import validators
 
 from .validators import validate_disposable_email
diff --git a/disposable_email_checker/validators.py b/disposable_email_checker/validators.py
index e8a9dc4..b2771c6 100644
--- a/disposable_email_checker/validators.py
+++ b/disposable_email_checker/validators.py
@@ -3,10 +3,10 @@
 import re
 from six.moves import range
 from django.conf import settings
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 from django.core import validators
 from django.core.exceptions import ValidationError
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 
 from bdea.client import BDEAClient
 from django.urls import get_callable
@@ -36,7 +36,7 @@ def __init__(self, message=None, code=None, whitelist=None):
         self.BDEA_TIMEOUT = getattr(settings, 'BDEA_TIMEOUT', 5)
 
     def __call__(self, value):
-        value = force_text(value)
+        value = force_str(value)
 
         # Catch invalid emails before we check if they're disposable
         try: