diff --git a/Changelog b/Changelog
index 81c93c9..c9da93b 100644
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,8 @@
+2024-01-31
+	* Drop support for SQLALchemy 1.1, 1.2 and 1.3
+	* Add support for SQLALchemy >=2.0
+	* Add support for Flask-SQLAlchemy >=3.1
+
 2022-03-23
 	* Django: Support for UUIDField
 
@@ -174,7 +179,7 @@
 	        # No errors will be raised
 		user = mixer.blend('auth.User', username='mike')
 		null = mixer.blend('auth.User', username='mike')
-		
+
 
 2014-01-03  horneds
 
diff --git a/mixer/__init__.py b/mixer/__init__.py
index 263218f..6e611a5 100644
--- a/mixer/__init__.py
+++ b/mixer/__init__.py
@@ -14,7 +14,7 @@
 # Module information
 # ==================
 
-__version__ = "7.2.2"
+__version__ = "7.3.0"
 __project__ = "mixer"
 __author__ = "horneds <horneds@gmail.com>"
 __license__ = "BSD"
diff --git a/mixer/backend/flask.py b/mixer/backend/flask.py
index d22a79e..1f9cc85 100644
--- a/mixer/backend/flask.py
+++ b/mixer/backend/flask.py
@@ -44,7 +44,11 @@ def init_app(self, app):
         """
         assert app.extensions and app.extensions[
             'sqlalchemy'], "Flask-SQLAlchemy must be inialized before Mixer."
-        db = app.extensions['sqlalchemy'].db
+        try:
+            db = app.extensions['sqlalchemy'].db
+        except AttributeError:
+            # https://github.com/pallets-eco/flask-sqlalchemy/issues/698#issuecomment-1250351168
+            db = app.extensions['sqlalchemy']
         self.params['session'] = db.session
 
         # register extension with app
diff --git a/requirements-tests.txt b/requirements-tests.txt
index 2cc7528..6a2a575 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -1,7 +1,7 @@
 Django              >= 3.0
 Flask               >= 1.0
 Marshmallow         >= 3.9
-SQLAlchemy          >= 1.1.4
+SQLAlchemy          >= 1.4
 flask-sqlalchemy    >= 2.1
 mongoengine         >= 0.10.1
 peewee              >= 3.7.0
diff --git a/tests/test_sqlalchemy.py b/tests/test_sqlalchemy.py
index 764518e..cd86ac3 100644
--- a/tests/test_sqlalchemy.py
+++ b/tests/test_sqlalchemy.py
@@ -18,8 +18,7 @@
 )
 from sqlalchemy.dialects import mssql, mysql, oracle, postgresql, sqlite
 from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import relation, relationship, scoped_session, sessionmaker
-from sqlalchemy.util import text_type
+from sqlalchemy.orm import relationship, scoped_session, sessionmaker
 
 ENGINE = create_engine('sqlite:///:memory:')
 BASE = declarative_base()
@@ -71,7 +70,7 @@ class Role(BASE):
     name = Column(String(20), primary_key=True)
     user_id = Column(Integer, ForeignKey(User.id), nullable=False)
 
-    user = relation(User)
+    user = relationship(User)
 
 
 BASE.metadata.create_all(ENGINE)
@@ -245,4 +244,4 @@ class Test(base):
 def test_random_compiled(dialect, expected):
     from mixer.backend.sqlalchemy import random
     compiled = random().compile(dialect=dialect)
-    assert text_type(compiled) == expected
+    assert str(compiled) == expected