diff --git a/development.env b/development.env
index 5faadd5..3cd6d84 100644
--- a/development.env
+++ b/development.env
@@ -1,3 +1,6 @@
 FLASK_APP=tofu_api.app
 FLASK_ENV=development
 FLASK_CONFIG_FILE=config.dev.yml
+
+# Show SQLAlchemy 2.0 deprecation warnings
+SQLALCHEMY_WARN_20=1
diff --git a/tofu_api/app.py b/tofu_api/app.py
index 4bb9329..d7a6237 100644
--- a/tofu_api/app.py
+++ b/tofu_api/app.py
@@ -1,4 +1,6 @@
 import os
+import sys
+import warnings
 
 from flask import Flask
 
@@ -6,6 +8,10 @@ from tofu_api.api import TofuApiBlueprint
 from tofu_api.common.config import Config
 from tofu_api.dependencies import Dependencies
 
+# Enable deprecation warnings in dev environment
+if not sys.warnoptions and os.getenv('FLASK_ENV') == 'development':
+    warnings.filterwarnings('default', module='tofu_api.*')
+
 
 class App(Flask):
     """