diff --git a/README.md b/README.md
index 3b66fbd..62af1fa 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,7 @@ replaced by coffee).
 To run ceod on a single host (as root, since the app needs to read the keytab):
 ```sh
 export FLASK_APP=ceod.api
-export FLASK_ENV=development
+export FLASK_DEBUG=true
 flask run -h 0.0.0.0 -p 9987
 ```
 
diff --git a/ceod/api/app_factory.py b/ceod/api/app_factory.py
index 221c3d5..01890e5 100644
--- a/ceod/api/app_factory.py
+++ b/ceod/api/app_factory.py
@@ -74,7 +74,7 @@ def create_app(flask_config={}):
 
 def register_services(app):
     # Config
-    if app.config.get('ENV') == 'development' and 'CEOD_CONFIG' not in os.environ:
+    if app.config.get('DEBUG') and 'CEOD_CONFIG' not in os.environ:
         with importlib.resources.path('tests', 'ceod_dev.ini') as p:
             config_file = p.__fspath__()
     else:
diff --git a/ceod/api/utils.py b/ceod/api/utils.py
index 394cacf..5408ade 100644
--- a/ceod/api/utils.py
+++ b/ceod/api/utils.py
@@ -139,7 +139,7 @@ def create_streaming_response(txn: AbstractTransaction):
 def development_only(f: Callable) -> Callable:
     @functools.wraps(f)
     def wrapper(*args, **kwargs):
-        if current_app.config.get('ENV') == 'development' or \
+        if current_app.config.get('DEBUG') or \
                 current_app.config.get('TESTING'):
             return f(*args, **kwargs)
         return {
diff --git a/dev-requirements.txt b/dev-requirements.txt
index e92273e..db17b7c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
-flake8==5.0.4
-setuptools==65.4.1
-wheel==0.37.1
-pytest==7.1.3
+flake8==6.1.0
+setuptools==68.0.0
+wheel==0.41.0
+pytest==7.4.0
 aiosmtpd==1.4.2
-aiohttp==3.8.3
+aiohttp==3.8.5
diff --git a/docker-compose.yml b/docker-compose.yml
index 4db5345..ef0c81e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ x-common: &common
     - label:disable
   environment:
     FLASK_APP: ceod.api
-    FLASK_ENV: development
+    FLASK_DEBUG: "true"
   working_dir: $PWD
   entrypoint:
     - ./docker-entrypoint.sh
diff --git a/requirements.txt b/requirements.txt
index 6c4f13e..4159ec5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,16 @@
-click==8.1.3
-cryptography==35.0.0
-Flask==2.1.2
-gssapi==1.6.14
-gunicorn==20.1.0
+click==8.1.6
+cryptography==41.0.2
+Flask==2.3.2
+gssapi==1.8.2
+gunicorn==21.2.0
 Jinja2==3.1.2
 ldap3==2.9.1
-mysql-connector-python==8.0.26
-psycopg2-binary==2.9.1
+mysql-connector-python==8.1.0
+psycopg2-binary==2.9.6
 python-augeas==1.1.0
-requests==2.26.0
+requests==2.31.0
 requests-gssapi==1.2.3
 urwid==2.1.2
-Werkzeug==2.1.2
+Werkzeug==2.3.6
 zope.component==5.0.1
 zope.interface==5.4.0