diff --git a/djangosample/asgi.py b/djangosample/asgi.py
new file mode 100644
index 0000000..489cfcd
--- /dev/null
+++ b/djangosample/asgi.py
@@ -0,0 +1,16 @@
+"""
+ASGI config for djangosample project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/4.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'djangosample.settings')
+
+application = get_asgi_application()
diff --git a/djangosample/settings.py b/djangosample/settings.py
index 172def6..14df2de 100644
--- a/djangosample/settings.py
+++ b/djangosample/settings.py
@@ -1,13 +1,13 @@
 """
 Django settings for djangosample project.
 
-Generated by 'django-admin startproject' using Django 1.10.6.
+Generated by 'django-admin startproject' using Django 4.0.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.10/topics/settings/
+https://docs.djangoproject.com/en/4.0/topics/settings/
 
 For the full list of settings and their values, see
-https://docs.djangoproject.com/en/1.10/ref/settings/
+https://docs.djangoproject.com/en/4.0/ref/settings/
 """
 
 import os
@@ -17,7 +17,7 @@
 
 
 # Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+# See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', '7ngkdjajhzi2oi+6izsv+!hg5lhdhzb0(d8d(qv11$i=)14n*)')
@@ -71,7 +71,7 @@
 
 
 # Database
-# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+# https://docs.djangoproject.com/en/4.0/ref/settings/#databases
 
 DATABASES = {
     'default': {
@@ -86,7 +86,7 @@
 
 
 # Password validation
-# https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
+# https://docs.djangoproject.com/en/4.0/ref/settings/#auth-password-validators
 
 AUTH_PASSWORD_VALIDATORS = [
     {
@@ -105,7 +105,7 @@
 
 
 # Internationalization
-# https://docs.djangoproject.com/en/1.10/topics/i18n/
+# https://docs.djangoproject.com/en/4.0/topics/i18n/
 
 LANGUAGE_CODE = 'en-us'
 
@@ -119,10 +119,15 @@
 
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/1.10/howto/static-files/
+# https://docs.djangoproject.com/en/4.0/howto/static-files/
 
 STATIC_URL = '/static/'
 STATIC_ROOT = '/app/static/'
 
+# Default primary key field type
+# https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
 if DEBUG:
     ALLOWED_HOSTS += ['*', ]
diff --git a/djangosample/urls.py b/djangosample/urls.py
index c48d247..300e138 100644
--- a/djangosample/urls.py
+++ b/djangosample/urls.py
@@ -1,21 +1,21 @@
 """djangosample URL Configuration
 
 The `urlpatterns` list routes URLs to views. For more information please see:
-    https://docs.djangoproject.com/en/1.10/topics/http/urls/
+    https://docs.djangoproject.com/en/4.0/topics/http/urls/
 Examples:
 Function views
     1. Add an import:  from my_app import views
-    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
 Class-based views
     1. Add an import:  from other_app.views import Home
-    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
 Including another URLconf
-    1. Import the include() function: from django.conf.urls import url, include
-    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
-from django.conf.urls import url
+from django.urls import re_path
 from django.contrib import admin
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
+    re_path(r'^admin/', admin.site.urls),
 ]
diff --git a/djangosample/wsgi.py b/djangosample/wsgi.py
index 03f854f..aa1e698 100644
--- a/djangosample/wsgi.py
+++ b/djangosample/wsgi.py
@@ -4,7 +4,7 @@
 It exposes the WSGI callable as a module-level variable named ``application``.
 
 For more information on this file, see
-https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
+https://docs.djangoproject.com/en/4.0/howto/deployment/wsgi/
 """
 
 import os
diff --git a/manage.py b/manage.py
index 398a3f0..07c80e2 100755
--- a/manage.py
+++ b/manage.py
@@ -6,17 +6,10 @@
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "djangosample.settings")
     try:
         from django.core.management import execute_from_command_line
-    except ImportError:
-        # The above import may fail for some other reason. Ensure that the
-        # issue is really that Django is missing to avoid masking other
-        # exceptions on Python 2.
-        try:
-            import django
-        except ImportError:
-            raise ImportError(
-                "Couldn't import Django. Are you sure it's installed and "
-                "available on your PYTHONPATH environment variable? Did you "
-                "forget to activate a virtual environment?"
-            )
-        raise
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
     execute_from_command_line(sys.argv)