diff --git a/CHANGES.rst b/CHANGES.rst
index c5ba3d6..5d6244b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,14 @@
 ChangeLog
 ---------
 
+0.2.3
+~~~~~
+
+Release date: 2023/11/28
+
+- Fix the compatibility issue with Flask ``3.x``.
+
+
 0.2.2
 ~~~~~
 
diff --git a/flask_avatars/__init__.py b/flask_avatars/__init__.py
index 835efc4..7aab15c 100644
--- a/flask_avatars/__init__.py
+++ b/flask_avatars/__init__.py
@@ -15,9 +15,9 @@
 
 from uuid import uuid4
 
-import PIL
 from PIL import Image
-from flask import current_app, Blueprint, url_for, Markup
+from flask import current_app, Blueprint, url_for
+from markupsafe import Markup
 from .identicon import Identicon  # noqa
 
 
@@ -283,7 +283,7 @@ def resize_avatar(self, img, base_width):
         """
         w_percent = (base_width / float(img.size[0]))
         h_size = int((float(img.size[1]) * float(w_percent)))
-        img = img.resize((base_width, h_size), PIL.Image.ANTIALIAS)
+        img = img.resize((base_width, h_size), Image.BICUBIC)
         return img
 
     def save_avatar(self, image):
diff --git a/setup.py b/setup.py
index 21997ab..3751ecf 100644
--- a/setup.py
+++ b/setup.py
@@ -21,9 +21,9 @@
 
 setup(
     name='Flask-Avatars',
-    version='0.2.2',
+    version='0.2.3',
     description='All avatar generators in one place.',
-    url='https://github.com/greyli/flask-avatars',
+    url='https://github.com/helloflask/flask-avatars',
     license='MIT',
     author='Grey Li',
     author_email='withlihui@gmail.com',
@@ -44,14 +44,12 @@
         'Environment :: Web Environment',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3 :: Only',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
         'Topic :: Software Development :: Libraries :: Python Modules'
     ]