diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 99265390..b51bf600 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ '3.8', '3.9', '3.10', '3.11', '3.12' ]
+        python-version: [ '3.10', '3.11', '3.12' ]
     steps:
       - uses: actions/checkout@v3
       - uses: ./.github/actions/setup
diff --git a/Pipfile b/Pipfile
index cdc3835c..391f45c0 100644
--- a/Pipfile
+++ b/Pipfile
@@ -6,7 +6,7 @@ name = "pypi"
 [packages]
 boto3 = "*"
 dj-database-url = "*"
-django = "~=4.0"
+django = "~=5.0"
 django-axes = "*"
 django-filter = "*"
 django-imagekit = "*"
diff --git a/api/tests.py b/api/tests.py
index c6a5d6b9..f707e49b 100644
--- a/api/tests.py
+++ b/api/tests.py
@@ -316,8 +316,8 @@ class FeedingAPITestCase(TestBase.BabyBuddyAPITestCaseBase):
             {
                 "id": 3,
                 "child": 1,
-                "start": "2017-11-18T19:00:00-05:00",
-                "end": "2017-11-18T19:15:00-05:00",
+                "start": "2017-11-18T09:00:00-05:00",
+                "end": "2017-11-18T09:15:00-05:00",
                 "duration": "00:15:00",
                 "type": "formula",
                 "method": "bottle",
@@ -335,7 +335,7 @@ class FeedingAPITestCase(TestBase.BabyBuddyAPITestCaseBase):
 
     def test_get_with_iso_filter(self):
         response = self.client.get(
-            self.endpoint, {"start_min": "2017-11-18T11:30:00-05:00"}
+            self.endpoint, {"start_min": "2017-11-18T04:00:00-05:00"}
         )
         self.assertEqual(response.status_code, status.HTTP_200_OK)
         self.assertEqual(response.data["count"], 3)
diff --git a/babybuddy/fixtures/tests.json b/babybuddy/fixtures/tests.json
index 2be23b30..f3fc938b 100644
--- a/babybuddy/fixtures/tests.json
+++ b/babybuddy/fixtures/tests.json
@@ -249,8 +249,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-18T14:00:00-05:00",
-      "end": "2017-11-18T14:30:00-05:00",
+      "start": "2017-11-18T09:00:00Z",
+      "end": "2017-11-18T09:30:00Z",
       "duration": "00:30:00",
       "type": "breast milk",
       "method": "left breast",
@@ -263,8 +263,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-18T16:30:00-05:00",
-      "end": "2017-11-18T17:00:00-05:00",
+      "start": "2017-11-18T11:30:00Z",
+      "end": "2017-11-18T12:00:00Z",
       "duration": "00:30:00",
       "type": "breast milk",
       "method": "right breast",
@@ -277,8 +277,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-18T19:00:00-05:00",
-      "end": "2017-11-18T19:15:00-05:00",
+      "start": "2017-11-18T14:00:00Z",
+      "end": "2017-11-18T14:15:00Z",
       "duration": "00:15:00",
       "type": "formula",
       "method": "bottle",
@@ -292,8 +292,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-17T19:00:00-05:00",
-      "end": "2017-11-17T19:15:00-05:00",
+      "start": "2017-11-17T14:00:00Z",
+      "end": "2017-11-17T14:15:00Z",
       "duration": "00:15:00",
       "type": "formula",
       "method": "bottle",
@@ -307,8 +307,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-11T19:00:00-05:00",
-      "end": "2017-11-11T19:15:00-05:00",
+      "start": "2017-11-11T14:00:00Z",
+      "end": "2017-11-11T14:15:00Z",
       "duration": "00:15:00",
       "type": "formula",
       "method": "bottle",
@@ -322,8 +322,8 @@
     "fields":
     {
       "child": 1,
-      "start": "2017-11-11T00:00:00-05:00",
-      "end": "2017-11-11T00:15:00-05:00",
+      "start": "2017-11-11T05:00:00Z",
+      "end": "2017-11-11T05:15:00Z",
       "duration": "00:15:00",
       "type": "formula",
       "method": "bottle",
diff --git a/babybuddy/middleware.py b/babybuddy/middleware.py
index 924952b7..e07039eb 100644
--- a/babybuddy/middleware.py
+++ b/babybuddy/middleware.py
@@ -2,7 +2,6 @@ from os import getenv
 from time import time
 from functools import wraps
 
-import pytz
 from urllib.parse import urlunsplit, urlsplit
 
 from django.conf import settings
@@ -55,8 +54,8 @@ class UserTimezoneMiddleware:
         user = request.user
         if hasattr(user, "settings") and user.settings.timezone:
             try:
-                timezone.activate(pytz.timezone(user.settings.timezone))
-            except pytz.UnknownTimeZoneError:
+                timezone.activate(user.settings.timezone)
+            except ValueError:
                 pass
         return self.get_response(request)
 
diff --git a/babybuddy/models.py b/babybuddy/models.py
index 6ca19159..8e9a461a 100644
--- a/babybuddy/models.py
+++ b/babybuddy/models.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-import pytz
+import zoneinfo
 
 from django.conf import settings
 from django.contrib.auth import get_user_model
@@ -63,7 +63,9 @@ class Settings(models.Model):
         verbose_name=_("Language"),
     )
     timezone = models.CharField(
-        choices=tuple(zip(pytz.common_timezones, pytz.common_timezones)),
+        choices=sorted(
+            tuple(zip(zoneinfo.available_timezones(), zoneinfo.available_timezones()))
+        ),
         default=timezone.get_default_timezone_name(),
         max_length=100,
         verbose_name=_("Timezone"),
diff --git a/babybuddy/settings/base.py b/babybuddy/settings/base.py
index a517c435..93ad7c59 100644
--- a/babybuddy/settings/base.py
+++ b/babybuddy/settings/base.py
@@ -20,7 +20,7 @@ DEBUG = bool(strtobool(os.environ.get("DEBUG") or "False"))
 
 
 # Applications
-# https://docs.djangoproject.com/en/4.0/ref/applications/
+# https://docs.djangoproject.com/en/5.0/ref/applications/
 
 INSTALLED_APPS = [
     "api",
@@ -48,7 +48,7 @@ INSTALLED_APPS = [
 ]
 
 # Middleware
-# https://docs.djangoproject.com/en/4.0/ref/middleware/
+# https://docs.djangoproject.com/en/5.0/ref/middleware/
 
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",
@@ -69,13 +69,13 @@ MIDDLEWARE = [
 
 
 # URL dispatcher
-# https://docs.djangoproject.com/en/4.0/topics/http/urls/
+# https://docs.djangoproject.com/en/5.0/topics/http/urls/
 
 ROOT_URLCONF = "babybuddy.urls"
 
 
 # Templates
-# https://docs.djangoproject.com/en/4.0/ref/settings/#std:setting-TEMPLATES
+# https://docs.djangoproject.com/en/5.0/ref/settings/#std:setting-TEMPLATES
 
 TEMPLATES = [
     {
@@ -95,7 +95,7 @@ TEMPLATES = [
 
 
 # Database
-# https://docs.djangoproject.com/en/4.0/ref/settings/#databases
+# https://docs.djangoproject.com/en/5.0/ref/settings/#databases
 
 config = {
     "ENGINE": os.getenv("DB_ENGINE") or "django.db.backends.sqlite3",
@@ -118,7 +118,7 @@ DATABASES = {"default": config}
 
 
 # Cache
-# https://docs.djangoproject.com/en/4.0/topics/cache/
+# https://docs.djangoproject.com/en/5.0/topics/cache/
 
 CACHES = {
     "default": {
@@ -129,13 +129,13 @@ CACHES = {
 
 
 # WGSI
-# https://docs.djangoproject.com/en/4.0/howto/deployment/wsgi/
+# https://docs.djangoproject.com/en/5.0/howto/deployment/wsgi/
 
 WSGI_APPLICATION = "babybuddy.wsgi.application"
 
 
 # Authentication
-# https://docs.djangoproject.com/en/4.0/topics/auth/default/
+# https://docs.djangoproject.com/en/5.0/topics/auth/default/
 
 AUTHENTICATION_BACKENDS = [
     "axes.backends.AxesBackend",
@@ -158,14 +158,14 @@ if REVERSE_PROXY_AUTH:
 
 
 # Timezone
-# https://docs.djangoproject.com/en/4.0/topics/i18n/timezones/
+# https://docs.djangoproject.com/en/5.0/topics/i18n/timezones/
 
 USE_TZ = True
 
 TIME_ZONE = "UTC"
 
 # Internationalization
-# https://docs.djangoproject.com/en/4.0/topics/i18n/
+# https://docs.djangoproject.com/en/5.0/topics/i18n/
 
 USE_I18N = True
 
@@ -199,18 +199,26 @@ LANGUAGES = [
 
 
 # Format localization
-# https://docs.djangoproject.com/en/4.0/topics/i18n/formatting/
-
-USE_L10N = True
+# https://docs.djangoproject.com/en/5.0/topics/i18n/formatting/
 
 FORMAT_MODULE_PATH = ["babybuddy.formats"]
 
 
-# Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/4.0/howto/static-files/
-# http://whitenoise.evans.io/en/stable/django.html
+# Storage
+# https://docs.djangoproject.com/en/5.0/ref/files/storage/
+# https://docs.djangoproject.com/en/5.0/ref/settings/#std-setting-STORAGES
 
-STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
+STORAGES = {
+    "default": {"BACKEND": "django.core.files.storage.FileSystemStorage"},
+    "staticfiles": {
+        "BACKEND": "whitenoise.storage.CompressedManifestStaticFilesStorage",
+    },
+}
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/5.0/howto/static-files/
+# http://whitenoise.evans.io/en/stable/django.html
 
 STATICFILES_FINDERS = [
     "django.contrib.staticfiles.finders.FileSystemFinder",
@@ -225,7 +233,7 @@ WHITENOISE_ROOT = os.path.join(BASE_DIR, "static", "babybuddy", "root")
 
 
 # Media files (User uploaded content)
-# https://docs.djangoproject.com/en/4.0/topics/files/
+# https://docs.djangoproject.com/en/5.0/topics/files/
 
 MEDIA_ROOT = os.path.join(BASE_DIR, "media")
 
@@ -240,11 +248,11 @@ AWS_SECRET_ACCESS_KEY = os.environ.get("AWS_SECRET_ACCESS_KEY") or None
 AWS_S3_ENDPOINT_URL = os.environ.get("AWS_S3_ENDPOINT_URL") or None
 
 if AWS_STORAGE_BUCKET_NAME:
-    DEFAULT_FILE_STORAGE = "storages.backends.s3boto3.S3Boto3Storage"
+    STORAGES["default"]["BACKEND"] = "storages.backends.s3boto3.S3Boto3Storage"
 
 
 # Email
-# https://docs.djangoproject.com/en/4.0/topics/email/
+# https://docs.djangoproject.com/en/5.0/topics/email/
 
 EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 EMAIL_SUBJECT_PREFIX = "[Baby Buddy] "
@@ -263,17 +271,17 @@ if os.environ.get("EMAIL_HOST"):
 
 # Security
 
-# https://docs.djangoproject.com/en/4.0/ref/settings/#secure-proxy-ssl-header
+# https://docs.djangoproject.com/en/5.0/ref/settings/#secure-proxy-ssl-header
 if os.environ.get("SECURE_PROXY_SSL_HEADER"):
     SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
 
-# https://docs.djangoproject.com/en/4.0/topics/http/sessions/#settings
+# https://docs.djangoproject.com/en/5.0/topics/http/sessions/#settings
 SESSION_COOKIE_HTTPONLY = True
 SESSION_COOKIE_SECURE = bool(
     strtobool(os.environ.get("SESSION_COOKIE_SECURE") or "False")
 )
 
-# https://docs.djangoproject.com/en/4.0/ref/csrf/#settings
+# https://docs.djangoproject.com/en/5.0/ref/csrf/#settings
 CSRF_COOKIE_HTTPONLY = True
 CSRF_COOKIE_SECURE = bool(strtobool(os.environ.get("CSRF_COOKIE_SECURE") or "False"))
 CSRF_FAILURE_VIEW = "babybuddy.views.csrf_failure"
@@ -282,7 +290,7 @@ CSRF_TRUSTED_ORIGINS = list(
 )
 
 
-# https://docs.djangoproject.com/en/4.0/topics/auth/passwords/
+# https://docs.djangoproject.com/en/5.0/topics/auth/passwords/
 AUTH_PASSWORD_VALIDATORS = [
     {
         "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
@@ -349,7 +357,7 @@ AXES_LOCKOUT_URL = "/login/lock"
 ROLLING_SESSION_REFRESH = 86400
 
 # Set default auto field for models.
-# See https://docs.djangoproject.com/en/4.0/releases/3.2/#customizing-type-of-auto-created-primary-keys
+# See https://docs.djangoproject.com/en/5.0/releases/3.2/#customizing-type-of-auto-created-primary-keys
 
 DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
 
diff --git a/babybuddy/settings/ci.py b/babybuddy/settings/ci.py
index 0c3990e4..5a5e3f97 100644
--- a/babybuddy/settings/ci.py
+++ b/babybuddy/settings/ci.py
@@ -4,6 +4,8 @@ SECRET_KEY = "CISECRETKEYIGUESS"
 
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/4.0/howto/static-files/
+# https://docs.djangoproject.com/en/5.0/howto/static-files/
 
-STATICFILES_STORAGE = "django.contrib.staticfiles.storage.StaticFilesStorage"
+STORAGES["staticfiles"][
+    "BACKEND"
+] = "django.contrib.staticfiles.storage.StaticFilesStorage"
diff --git a/babybuddy/settings/development.py b/babybuddy/settings/development.py
index 252de2db..4124b2bb 100644
--- a/babybuddy/settings/development.py
+++ b/babybuddy/settings/development.py
@@ -1,20 +1,22 @@
 from .base import *
 
 # Quick-start development settings - unsuitable for production
-# https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/
+# https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/
 
 SECRET_KEY = os.environ.get("SECRET_KEY") or "DEVELOPMENT!!"
 DEBUG = bool(strtobool(os.environ.get("DEBUG") or "True"))
 
 
 # Static files (CSS, JavaScript, Images)
-# https://docs.djangoproject.com/en/4.0/howto/static-files/
+# https://docs.djangoproject.com/en/5.0/howto/static-files/
 #
-# Comment out STATICFILES_STORAGE and uncomment DEBUG = False to test with
-# production static files.
+# Comment out STORAGES["staticfiles"]["BACKEND"] and uncomment DEBUG = False to
+# test with production static files.
 
 # DEBUG = False
-STATICFILES_STORAGE = "django.contrib.staticfiles.storage.StaticFilesStorage"
+STORAGES["staticfiles"][
+    "BACKEND"
+] = "django.contrib.staticfiles.storage.StaticFilesStorage"
 
 
 # Django Rest Framework
diff --git a/babybuddy/settings/gitpod.py b/babybuddy/settings/gitpod.py
index 174c80f7..166ee933 100644
--- a/babybuddy/settings/gitpod.py
+++ b/babybuddy/settings/gitpod.py
@@ -1,7 +1,7 @@
 from .development import *
 
 # CSRF configuration
-# https://docs.djangoproject.com/en/4.0/ref/settings/#std:setting-CSRF_TRUSTED_ORIGINS
+# https://docs.djangoproject.com/en/5.0/ref/settings/#std:setting-CSRF_TRUSTED_ORIGINS
 # https://www.gitpod.io/docs/environment-variables/#default-environment-variables
 
 CSRF_TRUSTED_ORIGINS = [
diff --git a/babybuddy/settings/production.example.py b/babybuddy/settings/production.example.py
index 0d838e5b..054b0803 100644
--- a/babybuddy/settings/production.example.py
+++ b/babybuddy/settings/production.example.py
@@ -8,7 +8,7 @@ SECRET_KEY = ""
 ALLOWED_HOSTS = [""]
 
 # Database
-# https://docs.djangoproject.com/en/4.0/ref/settings/#databases
+# https://docs.djangoproject.com/en/5.0/ref/settings/#databases
 
 DATABASES = {
     "default": {
@@ -18,7 +18,7 @@ DATABASES = {
 }
 
 # Media files
-# https://docs.djangoproject.com/en/4.0/topics/files/
+# https://docs.djangoproject.com/en/5.0/topics/files/
 
 MEDIA_ROOT = os.path.join(BASE_DIR, "../data/media")
 
@@ -26,8 +26,8 @@ MEDIA_ROOT = os.path.join(BASE_DIR, "../data/media")
 # After setting up SSL, uncomment the settings below for enhanced security of
 # application cookies.
 #
-# See https://docs.djangoproject.com/en/4.0/topics/http/sessions/#settings
-# See https://docs.djangoproject.com/en/4.0/ref/csrf/#settings
+# See https://docs.djangoproject.com/en/5.0/topics/http/sessions/#settings
+# See https://docs.djangoproject.com/en/5.0/ref/csrf/#settings
 
 # SESSION_COOKIE_SECURE = True
 # CSRF_COOKIE_SECURE = True
diff --git a/babybuddy/settings/test.py b/babybuddy/settings/test.py
index d5672d8d..d55788d2 100644
--- a/babybuddy/settings/test.py
+++ b/babybuddy/settings/test.py
@@ -3,15 +3,15 @@ from .base import *
 SECRET_KEY = "TESTS"
 
 # Password hasher configuration
-# See https://docs.djangoproject.com/en/4.0/ref/settings/#password-hashers
-# See https://docs.djangoproject.com/en/4.0/topics/testing/overview/#password-hashing
+# See https://docs.djangoproject.com/en/5.0/ref/settings/#password-hashers
+# See https://docs.djangoproject.com/en/5.0/topics/testing/overview/#password-hashing
 
 PASSWORD_HASHERS = [
     "django.contrib.auth.hashers.MD5PasswordHasher",
 ]
 
 # Email
-# https://docs.djangoproject.com/en/4.0/topics/email/
+# https://docs.djangoproject.com/en/5.0/topics/email/
 
 EMAIL_BACKEND = "django.core.mail.backends.locmem.EmailBackend"
 
diff --git a/babybuddy/tests/tests_forms.py b/babybuddy/tests/tests_forms.py
index 467b77ce..47ccf073 100644
--- a/babybuddy/tests/tests_forms.py
+++ b/babybuddy/tests/tests_forms.py
@@ -65,8 +65,7 @@ class FormsTestCase(TestCase):
         page = self.c.post("/user/password/", params)
         self.assertEqual(page.status_code, 200)
         self.assertFormError(
-            page,
-            "form",
+            page.context["form"],
             "old_password",
             "Your old password was entered incorrectly. " "Please enter it again.",
         )
@@ -75,7 +74,9 @@ class FormsTestCase(TestCase):
         page = self.c.post("/user/password/", params)
         self.assertEqual(page.status_code, 200)
         self.assertFormError(
-            page, "form", "new_password2", "The two password fields didn’t match."
+            page.context["form"],
+            "new_password2",
+            "The two password fields didn’t match.",
         )
 
         params["new_password2"] = "mynewpassword"
@@ -101,7 +102,7 @@ class FormsTestCase(TestCase):
 
         page = self.c.post("/users/{}/delete/".format(new_user.id))
         self.assertEqual(page.status_code, 302)
-        self.assertQuerysetEqual(
+        self.assertQuerySetEqual(
             get_user_model().objects.filter(username="username"), []
         )
 
@@ -212,7 +213,9 @@ class FormsTestCase(TestCase):
 
         page = self.c.post("/user/settings/", params)
         self.assertEqual(page.status_code, 200)
-        self.assertFormError(page, "user_form", "email", "Enter a valid email address.")
+        self.assertFormError(
+            page.context["user_form"], "email", "Enter a valid email address."
+        )
 
     def test_user_settings_language(self):
         self.c.login(**self.credentials)
diff --git a/core/tests/tests_forms.py b/core/tests/tests_forms.py
index 68ca75ef..3883c72b 100644
--- a/core/tests/tests_forms.py
+++ b/core/tests/tests_forms.py
@@ -210,7 +210,7 @@ class ChildFormsTestCase(FormsTestCaseBase):
         )
         self.assertEqual(page.status_code, 200)
         self.assertFormError(
-            page, "form", "confirm_name", "Name does not match child name."
+            page.context["form"], "confirm_name", "Name does not match child name."
         )
 
         params["confirm_name"] = str(self.child)
@@ -798,7 +798,9 @@ class ValidationsTestCase(FormsTestCaseBase):
 
         page = self.c.post("/weight/{}/".format(entry.id), params, follow=True)
         self.assertEqual(page.status_code, 200)
-        self.assertFormError(page, "form", "date", "Date can not be in the future.")
+        self.assertFormError(
+            page.context["form"], "date", "Date can not be in the future."
+        )
 
     def test_validate_duration(self):
         end = timezone.localtime() - timezone.timedelta(minutes=10)
@@ -813,14 +815,14 @@ class ValidationsTestCase(FormsTestCaseBase):
         page = self.c.post("/tummy-time/add/", params, follow=True)
         self.assertEqual(page.status_code, 200)
         self.assertFormError(
-            page, "form", None, "Start time must come before end time."
+            page.context["form"], None, "Start time must come before end time."
         )
 
         start = end - timezone.timedelta(weeks=53)
         params["start"] = self.localtime_string(start)
         page = self.c.post("/tummy-time/add/", params, follow=True)
         self.assertEqual(page.status_code, 200)
-        self.assertFormError(page, "form", None, "Duration too long.")
+        self.assertFormError(page.context["form"], None, "Duration too long.")
 
     def test_validate_time(self):
         future = timezone.localtime() + timezone.timedelta(hours=1)
@@ -833,7 +835,9 @@ class ValidationsTestCase(FormsTestCaseBase):
 
         page = self.c.post("/tummy-time/add/", params, follow=True)
         self.assertEqual(page.status_code, 200)
-        self.assertFormError(page, "form", "end", "Date/time can not be in the future.")
+        self.assertFormError(
+            page.context["form"], "end", "Date/time can not be in the future."
+        )
 
     def test_validate_unique_period(self):
         entry = models.TummyTime.objects.create(
@@ -854,7 +858,9 @@ class ValidationsTestCase(FormsTestCaseBase):
         page = self.c.post("/tummy-time/add/", params, follow=True)
         self.assertEqual(page.status_code, 200)
         self.assertFormError(
-            page, "form", None, "Another entry intersects the specified time period."
+            page.context["form"],
+            None,
+            "Another entry intersects the specified time period.",
         )
 
 
diff --git a/core/tests/tests_import_export.py b/core/tests/tests_import_export.py
index a106fa89..042b4c64 100644
--- a/core/tests/tests_import_export.py
+++ b/core/tests/tests_import_export.py
@@ -24,8 +24,9 @@ class ImportTestCase(TestCase):
         ).save()
 
     def get_dataset(self, model_name):
-        file = open(self.base_path + model_name + ".csv")
-        return tablib.Dataset().load(file.read())
+        with open(self.base_path + model_name + ".csv", "r") as f:
+            data = f.read()
+        return tablib.Dataset().load(data)
 
     def import_data(self, model, count):
         dataset = self.get_dataset(model._meta.model_name)
@@ -86,7 +87,7 @@ class ImportTestCase(TestCase):
         ]
         for pk, tags in tests:
             entry = models.Temperature.objects.get(pk=pk)
-            self.assertQuerysetEqual(entry.tags.names(), tags, ordered=False)
+            self.assertQuerySetEqual(entry.tags.names(), tags, ordered=False)
 
     def test_temperature(self):
         self.import_data(models.Temperature, 23)
diff --git a/dashboard/tests/tests_templatetags.py b/dashboard/tests/tests_templatetags.py
index 612afbf3..4889eeb7 100644
--- a/dashboard/tests/tests_templatetags.py
+++ b/dashboard/tests/tests_templatetags.py
@@ -1,6 +1,4 @@
 # -*- coding: utf-8 -*-
-import pytz
-
 from django.contrib.auth import get_user_model
 from django.test import TestCase
 from django.utils import timezone
@@ -28,7 +26,7 @@ class TemplateTagsTestCase(TestCase):
 
         # Ensure timezone matches the one defined by fixtures.
         user_timezone = Settings.objects.first().timezone
-        timezone.activate(pytz.timezone(user_timezone))
+        timezone.activate(user_timezone)
 
         # Test file data uses a basis date of 2017-11-18.
         date = timezone.localtime().strptime("2017-11-18", "%Y-%m-%d")
@@ -160,9 +158,11 @@ class TemplateTagsTestCase(TestCase):
 
     def test_card_feeding_recent(self):
         data = cards.card_feeding_recent(self.context, self.child, self.date)
+
         self.assertEqual(data["type"], "feeding")
         self.assertFalse(data["empty"])
         self.assertFalse(data["hide_empty"])
+
         # most recent day
         self.assertEqual(data["feedings"][0]["total"], 2.5)
         self.assertEqual(data["feedings"][0]["count"], 3)
@@ -273,7 +273,7 @@ class TemplateTagsTestCase(TestCase):
             },
             {
                 "type": "duration",
-                "stat": timezone.timedelta(days=1, seconds=46980),
+                "stat": timezone.timedelta(days=1, seconds=39780),
                 "title": "Feeding frequency",
             },
             {
diff --git a/docs/contributing/development-environment.md b/docs/contributing/development-environment.md
index 64449952..4e9fb263 100644
--- a/docs/contributing/development-environment.md
+++ b/docs/contributing/development-environment.md
@@ -7,7 +7,7 @@ information and steps below to set up a local development environment for Baby B
 
 ## Requirements
 
-- Python 3.8+, pip, pipenv
+- Python 3.10+, pip, pipenv
 - NodeJS 18.x and NPM 8.x (NVM recommended)
 - Gulp
 - Possibly `libpq-dev`
diff --git a/docs/setup/deployment.md b/docs/setup/deployment.md
index c4ce10f5..8c1fd84c 100644
--- a/docs/setup/deployment.md
+++ b/docs/setup/deployment.md
@@ -117,14 +117,14 @@ requirements are Python, a web server, an application server, and a database.
 
 ### Requirements
 
-- Python 3.8+, pip, pipenv
+- Python 3.10+, pip, pipenv
 - Web server ([nginx](http://nginx.org/), [Apache](http://httpd.apache.org/), etc.)
 - Application server ([uwsgi](http://projects.unbit.it/uwsgi), [gunicorn](http://gunicorn.org/), etc.)
 - Database (See [Django's databases documentation](https://docs.djangoproject.com/en/4.2/ref/databases/)).
 
 ### Example deployment
 
-*This example assumes a 1 GB VPS instance with Ubuntu 20.04.* It uses Python 3.8,
+*This example assumes a 1 GB VPS instance with Ubuntu 20.04.* It uses Python 3.10,
 nginx, uwsgi and sqlite. It should be sufficient for a few users (e.g., two parents
 and any number of children).
 
diff --git a/gulpfile.js b/gulpfile.js
index 31ac236a..4eb6c31c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -202,6 +202,7 @@ function test(cb) {
     let command = [
         'run',
         'python',
+        '-Wa',
         'manage.py',
         'test',
         '--settings=babybuddy.settings.test',
diff --git a/reports/tests/graphs/tests_sleep_pattern.py b/reports/tests/graphs/tests_sleep_pattern.py
index 867eb298..59a4858e 100644
--- a/reports/tests/graphs/tests_sleep_pattern.py
+++ b/reports/tests/graphs/tests_sleep_pattern.py
@@ -23,8 +23,8 @@ class SleepPatternTestCase(TestCase):
 
         models.Sleep.objects.create(
             child=c,
-            start=dt.datetime(2000, 1, 1, 0, 0, tzinfo=timezone.utc),
-            end=dt.datetime(2000, 1, 1, 0, 1, tzinfo=timezone.utc),
+            start=dt.datetime(2000, 1, 1, 0, 0, tzinfo=dt.timezone.utc),
+            end=dt.datetime(2000, 1, 1, 0, 1, tzinfo=dt.timezone.utc),
         )
 
         sleep_pattern(models.Sleep.objects.order_by("start"))
diff --git a/requirements.txt b/requirements.txt
index 9d1c7427..f093d35f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,25 +1,25 @@
 -i https://pypi.python.org/simple
 annotated-types==0.6.0; python_version >= '3.8'
 asgiref==3.7.2; python_version >= '3.7'
-boto3==1.33.10; python_version >= '3.7'
-botocore==1.33.10; python_version >= '3.7'
+boto3==1.34.14; python_version >= '3.8'
+botocore==1.34.14; python_version >= '3.8'
 defusedxml==0.7.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 diff-match-patch==20230430; python_version >= '3.7'
 dj-database-url==2.1.0
-django==4.2.8; python_version >= '3.8'
+django==5.0.1; python_version >= '3.10'
 django-appconf==1.0.6; python_version >= '3.7'
-django-axes==6.1.1; python_version >= '3.7'
+django-axes==6.3.0; python_version >= '3.7'
 django-dbsettings==1.3.0
 django-filter==23.5; python_version >= '3.7'
 django-imagekit==5.0.0
-django-import-export==3.3.3; python_version >= '3.8'
-django-qr-code==3.1.1; python_version >= '3.7'
+django-import-export==3.3.5; python_version >= '3.8'
+django-qr-code==4.0.0; python_version >= '3.7'
 django-storages==1.14.2; python_version >= '3.7'
 django-taggit==5.0.1; python_version >= '3.8'
 django-widget-tweaks==1.5.0; python_version >= '3.8'
 djangorestframework==3.14.0; python_version >= '3.6'
 et-xmlfile==1.1.0; python_version >= '3.6'
-faker==20.1.0; python_version >= '3.8'
+faker==22.0.0; python_version >= '3.8'
 gunicorn==21.2.0; python_version >= '3.5'
 jmespath==1.0.1; python_version >= '3.7'
 markuppy==1.14
@@ -27,23 +27,23 @@ odfpy==1.4.1
 openpyxl==3.1.2
 packaging==23.2; python_version >= '3.7'
 pilkit==3.0
-pillow==10.1.0; python_version >= '3.8'
+pillow==10.2.0; python_version >= '3.8'
 plotly==5.18.0; python_version >= '3.6'
 psycopg2-binary==2.9.9; python_version >= '3.7'
-pydantic==2.5.2; python_version >= '3.7'
-pydantic-core==2.14.5; python_version >= '3.7'
+pydantic==2.5.3; python_version >= '3.7'
+pydantic-core==2.14.6; python_version >= '3.7'
 python-dateutil==2.8.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 python-dotenv==1.0.0; python_version >= '3.8'
 pytz==2023.3.post1
 pyyaml==6.0.1; python_version >= '3.6'
-s3transfer==0.8.2; python_version >= '3.7'
+s3transfer==0.10.0; python_version >= '3.8'
 segno==1.6.0; python_version >= '3.5'
-setuptools==69.0.2; python_version >= '3.8'
+setuptools==69.0.3; python_version >= '3.8'
 six==1.16.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
 sqlparse==0.4.4; python_version >= '3.5'
 tablib[html,ods,xls,xlsx,yaml]==3.5.0; python_version >= '3.8'
 tenacity==8.2.3; python_version >= '3.7'
-typing-extensions==4.8.0; python_version >= '3.8'
+typing-extensions==4.9.0; python_version >= '3.8'
 uritemplate==4.1.1; python_version >= '3.6'
 urllib3==2.0.7; python_version >= '3.10'
 whitenoise==6.6.0; python_version >= '3.8'