diff --git a/CHANGES.rst b/CHANGES.rst
index 01a0232e..bd2df1db 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -7,6 +7,7 @@ Changelog
 Release date: -
 
 - Upgrade to Bootstrap 5.3.1 and Bootswatch 5.3.1
+- Replaced deprecated Flask decorator before_first_request
 
 
 2.3.0
diff --git a/examples/bootstrap4/app.py b/examples/bootstrap4/app.py
index 6ed80a0d..ac7e7207 100644
--- a/examples/bootstrap4/app.py
+++ b/examples/bootstrap4/app.py
@@ -137,8 +137,7 @@ class Message(db.Model):
     create_time = db.Column(db.Integer, nullable=False, unique=True)
 
 
-@app.before_first_request
-def before_first_request_func():
+with app.app_context():
     db.drop_all()
     db.create_all()
     for i in range(20):
diff --git a/examples/bootstrap5/app.py b/examples/bootstrap5/app.py
index af1e8259..60f9d7fb 100644
--- a/examples/bootstrap5/app.py
+++ b/examples/bootstrap5/app.py
@@ -141,8 +141,7 @@ class Message(db.Model):
     create_time = db.Column(db.Integer, nullable=False, unique=True)
 
 
-@app.before_first_request
-def before_first_request_func():
+with app.app_context():
     db.drop_all()
     db.create_all()
     for i in range(20):