diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 82a21064..b8a009c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     services:
       # Unit test rely on a local MySQL instance with an empty root password.
       mysql:
-        image: mysql:5.7
+        image: mysql:8.0.30
         env:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
         ports:
@@ -51,9 +51,9 @@ jobs:
           cp wp1/credentials.py.e2e wp1/credentials.py
           cp wp1/credentials.py.dev.e2e wp1/credentials.py.dev
 
-      - name: Test with nose
+      - name: Test with pytest, with coverage
         run: |
-          nosetests --with-coverage
+          pytest --cov
 
       - name: Upload to Codecov
         uses: codecov/codecov-action@v3
diff --git a/requirements.txt b/requirements.txt
index ec7cac8d..701b5c99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,6 +30,7 @@ gunicorn==19.9.0
 identify==1.4.6
 idna==2.8
 importlib-metadata==5.2.0
+iniconfig==2.0.0
 isodate==0.6.1
 itsdangerous==2.1.2
 Jinja2==3.1.2
@@ -44,19 +45,20 @@ mwclient==0.9.3
 mwoauth==0.3.8
 mwparserfromhell==0.5.2
 nodeenv==1.3.3
-nose==1.3.7
-nose-cprof==0.2.1
 oauthlib==2.1.0
 packaging==21.3
 pathspec==0.11.2
 platformdirs==2.6.2
+pluggy==1.3.0
 pre-commit==2.21.0
 PyJWT==2.4.0
 PyMySQL==0.9.3
 pyparsing==3.0.9
+pytest==7.4.2
+pytest-cov==4.1.0
 python-dateutil==2.8.2
 pytz==2022.7.1
-PyYAML==5.4.1
+PyYAML==6.0.1
 pyyaml_env_tag==0.1
 rdflib==6.2.0
 redis==4.4.4
@@ -65,6 +67,7 @@ requests-oauthlib==1.0.0
 rq==1.13.0
 rq-scheduler==0.13.0
 s3transfer==0.4.2
+setuptools==68.2.2
 six==1.16.0
 sortedcontainers==2.4.0
 sqlparse==0.4.4
diff --git a/wp1/credentials.py.example b/wp1/credentials.py.example
index 2aa5951c..aecf512f 100644
--- a/wp1/credentials.py.example
+++ b/wp1/credentials.py.example
@@ -18,7 +18,7 @@ from wp1.environment import Environment
 
 # yapf: disable
 # Comment the following line in production systems.
-ENV = Environment.TEST if 'nose' in sys.modules.keys() else Environment.DEVELOPMENT
+ENV = Environment.TEST if 'pytest' in sys.modules else Environment.DEVELOPMENT
 # yapf: enable
 
 # The directory under conf/ to look for the conf.json file in. So if this is