diff --git a/CHANGES b/CHANGES
index d793cb16..86eaea9c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,9 @@ Changelog
 Changes in Flask-Restless-NG
 ============================
 
+Version 2.5.1 (2023-22-15):
+- Restricted SQLAlchemy to <2.0. Support of 2.0 requires significant changes and will be a major release
+
 Version 2.5.0 (2022-12-24):
 - Added support for X-Forwarded- headers (pagination links now use the original host/proto) (#38)
 
diff --git a/README.md b/README.md
index ff78d132..5ea2219e 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This is a fork of [Flask-Restless](https://github.com/jfinkels/flask-restless) m
 Version `1.0.*` of `Flask-Restless-NG` is fully API compatible with `Flask-Restless` version `1.0.0b1`
 with the following improvements:
 
-  * Supports Flask 1.0+ and SQLAlchemy 1.3+
+  * Supports Flask 1.0+ and SQLAlchemy 1.3-1.4 (2.x is not supported yet)
   * 2-5x faster serialization of JSON responses.
   * Miscellaneous bugs fixed
 
diff --git a/flask_restless/__init__.py b/flask_restless/__init__.py
index dd41dfc8..e09eef9e 100644
--- a/flask_restless/__init__.py
+++ b/flask_restless/__init__.py
@@ -1,7 +1,7 @@
 # Copyright 2011 Lincoln de Sousa <lincoln@comum.org>.
 # Copyright 2012, 2013, 2014, 2015, 2016 Jeffrey Finkelstein
 #           <jeffrey.finkelstein@gmail.com> and contributors.
-# Copyright 2020, 2021, 2022 Maksym Revutskyi <maksym.revutskyi@gmail.com> and contributors.
+# Copyright 2020, 2021, 2022, 2023 Maksym Revutskyi <maksym.revutskyi@gmail.com> and contributors.
 #
 # This file is part of Flask-Restless-NG.
 #
@@ -13,7 +13,7 @@
 
 """
 #: The current version of this extension.
-__version__ = '2.5.0'
+__version__ = '2.5.1'
 
 
 # The following names are available as part of the public API for Flask-Restless-NG.
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 7a41ab74..ee433fd2 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,6 +1,6 @@
 flask>=1.0
 flask-sqlalchemy>=0.10
-sqlalchemy>=1.2
+sqlalchemy>=1.3,<2.0
 python-dateutil>2.2
 
 setuptools>=65.5.1
diff --git a/setup.py b/setup.py
index cc99b54b..7b065164 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
 #: required, so the user must install it explicitly.
 REQUIREMENTS = [
     'flask>=1.0',
-    'sqlalchemy>=1.3.6',
+    'sqlalchemy>=1.3.6,<2.0',
     'python-dateutil>2.2',
 ]
 
@@ -83,6 +83,7 @@ def find_version(*file_path):
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Database :: Front-Ends',
         'Topic :: Internet :: WWW/HTTP',
         'Topic :: Software Development :: Libraries :: Python Modules'