diff --git a/dbtemplates/admin.py b/dbtemplates/admin.py
index 9bfefa7..1c9095f 100644
--- a/dbtemplates/admin.py
+++ b/dbtemplates/admin.py
@@ -3,15 +3,18 @@ from django import forms
 from django.contrib import admin
 from django.core.exceptions import ImproperlyConfigured
 try:
-    from django.utils.translation import ungettext, ugettext_lazy as _
+    # Django 4.0
+    from django.utils.translation import gettext_lazy as _
+    from django.utils.translation import ngettext
 except ImportError:
-    from django.utils.translation import ngettext as ungettext, \
-        gettext_lazy as _
+    # Before Django 4.0
+    from django.utils.translation import ugettext_lazy as _
+    from django.utils.translation import ungettext as ngettext
+
 from django.utils.safestring import mark_safe
 
 from dbtemplates.conf import settings
-from dbtemplates.models import (Template, remove_cached_template,
-                                add_template_to_cache)
+from dbtemplates.models import Template, add_template_to_cache, remove_cached_template
 from dbtemplates.utils.template import check_template_syntax
 
 # Check if either django-reversion-compare or django-reversion is installed and
@@ -125,7 +128,7 @@ class TemplateAdmin(TemplateModelAdmin):
         for template in queryset:
             remove_cached_template(template)
         count = queryset.count()
-        message = ungettext(
+        message = ngettext(
             "Cache of one template successfully invalidated.",
             "Cache of %(count)d templates successfully invalidated.",
             count)
@@ -137,7 +140,7 @@ class TemplateAdmin(TemplateModelAdmin):
         for template in queryset:
             add_template_to_cache(template)
         count = queryset.count()
-        message = ungettext(
+        message = ngettext(
             "Cache successfully repopulated with one template.",
             "Cache successfully repopulated with %(count)d templates.",
             count)
@@ -153,7 +156,7 @@ class TemplateAdmin(TemplateModelAdmin):
                 errors.append(f'{template.name}: {error}')
         if errors:
             count = len(errors)
-            message = ungettext(
+            message = ngettext(
                 "Template syntax check FAILED for %(names)s.",
                 "Template syntax check FAILED for "
                 "%(count)d templates: %(names)s.",
@@ -162,7 +165,7 @@ class TemplateAdmin(TemplateModelAdmin):
                               {'count': count, 'names': ', '.join(errors)})
         else:
             count = queryset.count()
-            message = ungettext(
+            message = ngettext(
                 "Template syntax OK.",
                 "Template syntax OK for %(count)d templates.", count)
             self.message_user(request, message % {'count': count})