diff --git a/example/flask-auto-instrumentation/requirements.txt b/example/flask-auto-instrumentation/requirements.txt
index e4d16e3..7581b67 100644
--- a/example/flask-auto-instrumentation/requirements.txt
+++ b/example/flask-auto-instrumentation/requirements.txt
@@ -1,5 +1,6 @@
 uptrace==1.45.0
-flask==2.3.2
-itsdangerous==2.1.2
+flask==3.1.3
+itsdangerous==2.2.0
 opentelemetry-instrumentation==0.66b0
 opentelemetry-instrumentation-flask==0.66b0
+opentelemetry-instrumentation-logging==0.66b0
diff --git a/example/flask-gunicorn/main.py b/example/flask-gunicorn/main.py
index 904a9fe..11652ae 100644
--- a/example/flask-gunicorn/main.py
+++ b/example/flask-gunicorn/main.py
@@ -13,7 +13,9 @@
 
 application.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///:memory:"
 db = SQLAlchemy(application)
-SQLAlchemyInstrumentor().instrument(engine=db.engine)
+# Flask-SQLAlchemy 3.x requires an app context to access db.engine.
+with application.app_context():
+    SQLAlchemyInstrumentor().instrument(engine=db.engine)
 
 
 @application.route("/")
diff --git a/example/flask-gunicorn/requirements.txt b/example/flask-gunicorn/requirements.txt
index dd29bc3..4cbc259 100644
--- a/example/flask-gunicorn/requirements.txt
+++ b/example/flask-gunicorn/requirements.txt
@@ -1,7 +1,9 @@
 uptrace==1.45.0
 flask==3.1.3
-flask_sqlalchemy==2.5.1
-itsdangerous==2.1.2
+flask_sqlalchemy==3.1.1
+sqlalchemy==2.0.55
+itsdangerous==2.2.0
 opentelemetry-instrumentation-flask==0.66b0
 opentelemetry-instrumentation-sqlalchemy==0.66b0
 gunicorn==23.0.0
+opentelemetry-instrumentation-logging==0.66b0
diff --git a/example/flask-uwsgi/main.py b/example/flask-uwsgi/main.py
index 7655028..01651e5 100644
--- a/example/flask-uwsgi/main.py
+++ b/example/flask-uwsgi/main.py
@@ -14,7 +14,9 @@
 
 application.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///:memory:"
 db = SQLAlchemy(application)
-SQLAlchemyInstrumentor().instrument(engine=db.engine)
+# Flask-SQLAlchemy 3.x requires an app context to access db.engine.
+with application.app_context():
+    SQLAlchemyInstrumentor().instrument(engine=db.engine)
 
 
 @application.route("/")
diff --git a/example/flask-uwsgi/requirements.txt b/example/flask-uwsgi/requirements.txt
index 6319562..1c18ede 100644
--- a/example/flask-uwsgi/requirements.txt
+++ b/example/flask-uwsgi/requirements.txt
@@ -1,7 +1,9 @@
 uptrace==1.45.0
 flask==3.1.3
-flask_sqlalchemy==2.5.1
-itsdangerous==2.1.2
+flask_sqlalchemy==3.1.1
+sqlalchemy==2.0.55
+itsdangerous==2.2.0
 opentelemetry-instrumentation-flask==0.66b0
 opentelemetry-instrumentation-sqlalchemy==0.66b0
-uWSGI==2.0.22
+uWSGI==2.0.31
+opentelemetry-instrumentation-logging==0.66b0
diff --git a/example/flask/main.py b/example/flask/main.py
index 48e7bb6..0ea0761 100755
--- a/example/flask/main.py
+++ b/example/flask/main.py
@@ -20,7 +20,9 @@
 
 app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///:memory:"
 db = SQLAlchemy(app)
-SQLAlchemyInstrumentor().instrument(engine=db.engine)
+# Flask-SQLAlchemy 3.x requires an app context to access db.engine.
+with app.app_context():
+    SQLAlchemyInstrumentor().instrument(engine=db.engine)
 
 
 @app.route("/")
diff --git a/example/flask/requirements.txt b/example/flask/requirements.txt
index 031bec4..cde6e76 100644
--- a/example/flask/requirements.txt
+++ b/example/flask/requirements.txt
@@ -1,6 +1,8 @@
 uptrace==1.45.0
 flask==3.1.3
-flask_sqlalchemy==2.5.1
-itsdangerous==2.1.2
+flask_sqlalchemy==3.1.1
+sqlalchemy==2.0.55
+itsdangerous==2.2.0
 opentelemetry-instrumentation-flask==0.66b0
 opentelemetry-instrumentation-sqlalchemy==0.66b0
+opentelemetry-instrumentation-logging==0.66b0