diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7ab7f78..6e3adf3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,3 +29,8 @@ repos:
           - "--line-length"
           - "119"
         exclude: ^django_fsm_log/migrations|^docs/
+  - repo: https://github.com/adamchainz/django-upgrade
+    rev: "1.13.0"
+    hooks:
+    -   id: django-upgrade
+        args: [--target-version, "3.2"]
diff --git a/tests/admin.py b/tests/admin.py
index ec0c9de..1fd30dd 100644
--- a/tests/admin.py
+++ b/tests/admin.py
@@ -5,8 +5,8 @@
 from .models import Article
 
 
+@admin.register(Article)
 class ArticleAdmin(admin.ModelAdmin):
     inlines = [StateLogInline]
 
 
-admin.site.register(Article, ArticleAdmin)
diff --git a/tests/urls.py b/tests/urls.py
index 57271b6..610d2e8 100644
--- a/tests/urls.py
+++ b/tests/urls.py
@@ -5,7 +5,7 @@
     urlpatterns = [path("admin", admin.site.urls)]
 except ImportError:
     # django < 2.0
-    from django.conf.urls import include, url
+    from django.urls import include, path
     from django.contrib import admin
 
-    urlpatterns = [url(r"^admin/", include(admin.site.urls))]
+    urlpatterns = [path("admin/", include(admin.site.urls))]