diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 00ef204..27ce08f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,24 +28,25 @@ jobs:
           env DJANGO_ENV=production python manage.py collectstatic --noinput -v2
       - name: Run checks and tests
         env:
-          PYTHONWARNINGS: error,ignore::DeprecationWarning:django.utils.version,ignore::DeprecationWarning:django.http.request,ignore::DeprecationWarning:willow.image,ignore::DeprecationWarning:l18n.translation,ignore:::wagtail.core.signals,ignore:::wagtail.documents.models,ignore:::wagtail.admin.signals,ignore:::wagtail.core.models,ignore:::wagtailtrans.urls.translations,ignore:::wagtailtrans.wagtail_hooks
-          DATABASE_URL: postgresql://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres
+          # https://github.com/open-contracting/digitalbuying/issues/2
+          PYTHONWARNINGS: ignore
+          DATABASE_URL: mysql://root:root@127.0.0.1:${{ job.services.mysql.ports[3306] }}/mysql
         shell: bash
         run: |
           ./manage.py migrate
-          ./manage.py makemigrations --check --dry-run
+          ./manage.py makemigrations --check --dry-run base case_studies guidelines modules navigation sponsors streams
           ./manage.py check --fail-level WARNING
-          coverage run --source ictcg manage.py test
+          coverage run --source ictcg,base,case_studies,guidelines,modules,navigation,sponsors,streams manage.py test
       - uses: coverallsapp/github-action@v2
     services:
-      postgres:
-        image: postgres:15
+      mysql:
+        image: mysql:8.0
         env:
-          POSTGRES_PASSWORD: postgres
+          MYSQL_ROOT_PASSWORD: root
         options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
+          --health-cmd="mysqladmin ping"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=5
         ports:
-          - 5432/tcp
+          - 3306/tcp
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5809303..0e2ebfa 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,3 +28,7 @@ repos:
     rev: v16.12.0
     hooks:
       - id: stylelint
+        additional_dependencies:
+          - stylelint@16.12.0
+          - stylelint-config-standard@36.0.1
+          - stylelint-config-standard-scss@14.0.0
diff --git a/README.rst b/README.rst
index fc7d274..9ba1c4b 100644
--- a/README.rst
+++ b/README.rst
@@ -8,7 +8,7 @@ Setup
 
 .. code:: bash
 
-   createdb digitalbuyingguide
+   mysql -u root -e "create database digitalbuying"
    npm install
    pip install -r requirements.txt
    ./manage.py migrate
diff --git a/case_studies/apps.py b/case_studies/apps.py
new file mode 100644
index 0000000..88f625d
--- /dev/null
+++ b/case_studies/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ModulesConfig(AppConfig):
+    name = "case_studies"
+    default_auto_field = "django.db.models.AutoField"
diff --git a/ictcg/settings.py b/ictcg/settings.py
index e5b1fc9..d9a6efe 100644
--- a/ictcg/settings.py
+++ b/ictcg/settings.py
@@ -64,8 +64,6 @@
     # https://docs.wagtail.org/en/stable/reference/contrib/legacy_richtext.html
     "wagtail.contrib.legacy.richtext",
     "wagtail.core",
-    # https://docs.wagtail.org/en/v2.14.2/reference/contrib/postgres_search.html#postgres-search
-    "wagtail.contrib.postgres_search",
     # https://docs.wagtail.org/en/stable/reference/contrib/settings.html
     "wagtail.contrib.settings",
     # https://docs.wagtail.org/en/v5.2.7/reference/contrib/modeladmin/index.html
@@ -129,7 +127,7 @@
 # https://docs.djangoproject.com/en/3.0/ref/settings/#databases
 
 DATABASES = {
-    "default": dj_database_url.config(default="postgresql:///digitalbuyingguide?application_name=digitalbuyingguide"),
+    "default": dj_database_url.config(default="mysql://root@127.0.0.1/digitalbuying"),
 }
 
 
@@ -287,12 +285,6 @@
 # https://docs.wagtail.org/en/stable/releases/3.0.html#other-features
 BASE_URL = "https://digitalbuying.open-contracting.org"
 
-WAGTAILSEARCH_BACKENDS = {
-    "default": {
-        "BACKEND": "wagtail.contrib.postgres_search.backend",
-    },
-}
-
 # https://wagtailtrans.readthedocs.io/en/latest/settings.html
 WAGTAILTRANS_HIDE_TRANSLATION_TREES = True
 
diff --git a/modules/apps.py b/modules/apps.py
index 2cb9266..c01b01d 100644
--- a/modules/apps.py
+++ b/modules/apps.py
@@ -3,3 +3,4 @@
 
 class ModulesConfig(AppConfig):
     name = "modules"
+    default_auto_field = "django.db.models.AutoField"
diff --git a/navigation/apps.py b/navigation/apps.py
new file mode 100644
index 0000000..5ae51e3
--- /dev/null
+++ b/navigation/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class ModulesConfig(AppConfig):
+    name = "navigation"
+    default_auto_field = "django.db.models.AutoField"
diff --git a/requirements.in b/requirements.in
index e4535e9..7be89a0 100644
--- a/requirements.in
+++ b/requirements.in
@@ -2,8 +2,8 @@ dj-database-url
 django
 django-modelcluster
 django-taggit
-psycopg2
+mysqlclient
 redis[hiredis]
 sentry-sdk
-wagtail==2.11.9
+wagtail<2.16
 git+https://github.com/carrotandcompany/wagtailtrans@master#egg=wagtailtrans
diff --git a/requirements.txt b/requirements.txt
index eeab3e7..33efd99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ charset-normalizer==3.4.1
     # via requests
 dj-database-url==0.5.0
     # via -r requirements.in
-django==3.1.14
+django==3.2.25
     # via
     #   -r requirements.in
     #   django-filter
@@ -48,12 +48,12 @@ idna==3.10
     # via requests
 l18n==2021.3
     # via wagtail
+mysqlclient==2.2.7
+    # via -r requirements.in
 openpyxl==3.1.5
     # via tablib
 pillow==9.5.0
     # via wagtail
-psycopg2==2.9.10
-    # via -r requirements.in
 pytz==2024.2
     # via
     #   django
@@ -75,13 +75,13 @@ sqlparse==0.5.3
     # via django
 tablib==3.6.1
     # via wagtail
-unidecode==1.3.8
+telepath==0.3.1
     # via wagtail
 urllib3==1.26.20
     # via
     #   requests
     #   sentry-sdk
-wagtail==2.11.9
+wagtail==2.15.6
     # via
     #   -r requirements.in
     #   wagtailtrans
diff --git a/requirements_dev.in b/requirements_dev.in
index 65c5558..13e2a80 100644
--- a/requirements_dev.in
+++ b/requirements_dev.in
@@ -1,3 +1,2 @@
 -r requirements.txt
 coverage
-psycopg2-binary
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 48192e8..7bd05e5 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -25,7 +25,7 @@ coverage==7.6.10
     # via -r requirements_dev.in
 dj-database-url==0.5.0
     # via -r requirements.txt
-django==3.1.14
+django==3.2.25
     # via
     #   -r requirements.txt
     #   django-filter
@@ -75,6 +75,8 @@ l18n==2021.3
     # via
     #   -r requirements.txt
     #   wagtail
+mysqlclient==2.2.7
+    # via -r requirements.txt
 openpyxl==3.1.5
     # via
     #   -r requirements.txt
@@ -83,10 +85,6 @@ pillow==9.5.0
     # via
     #   -r requirements.txt
     #   wagtail
-psycopg2==2.9.10
-    # via -r requirements.txt
-psycopg2-binary==2.9.10
-    # via -r requirements_dev.in
 pytz==2024.2
     # via
     #   -r requirements.txt
@@ -118,7 +116,7 @@ tablib==3.6.1
     # via
     #   -r requirements.txt
     #   wagtail
-unidecode==1.3.8
+telepath==0.3.1
     # via
     #   -r requirements.txt
     #   wagtail
@@ -127,7 +125,7 @@ urllib3==1.26.20
     #   -r requirements.txt
     #   requests
     #   sentry-sdk
-wagtail==2.11.9
+wagtail==2.15.6
     # via
     #   -r requirements.txt
     #   wagtailtrans
diff --git a/sponsors/apps.py b/sponsors/apps.py
index bec0db4..9a8c476 100644
--- a/sponsors/apps.py
+++ b/sponsors/apps.py
@@ -3,3 +3,4 @@
 
 class SponsorsConfig(AppConfig):
     name = "sponsors"
+    default_auto_field = "django.db.models.AutoField"