diff --git a/compatibility-fix-for-sqlalchemy2.patch b/compatibility-fix-for-sqlalchemy2.patch
new file mode 100644
index 0000000..67b140b
--- /dev/null
+++ b/compatibility-fix-for-sqlalchemy2.patch
@@ -0,0 +1,78 @@
+From 9963b0f467c7931370087711890c74e397d996ca Mon Sep 17 00:00:00 2001
+From: Mattia Verga <mattia.verga@tiscali.it>
+Date: Sun, 26 Feb 2023 12:01:26 +0100
+Subject: [PATCH] Use session to connect to db
+
+---
+ sqlalchemy_schemadisplay.py | 19 ++++++++++++++-----
+ 1 file changed, 14 insertions(+), 5 deletions(-)
+
+diff --git a/sqlalchemy_schemadisplay.py b/sqlalchemy_schemadisplay.py
+index 6bbf947..bad4940 100644
+--- a/sqlalchemy_schemadisplay.py
++++ b/sqlalchemy_schemadisplay.py
+@@ -1,5 +1,7 @@
+ # updated SQLA schema display to work with pydot 1.0.2
+ 
++from packaging import version
++from sqlalchemy import __version__ as sqlaver
+ from sqlalchemy.orm.properties import RelationshipProperty
+ from sqlalchemy.orm import sync
+ import pydot
+@@ -106,7 +108,7 @@ def calc_label(src,dest):
+ 
+ 
+ def _render_table_html(
+-    table, metadata,
++    session, table,
+     show_indexes, show_datatypes, show_column_keys, show_schema_name,
+     format_schema_name, format_table_name
+ ):
+@@ -168,9 +170,9 @@ def format_name(obj_name, format_dict):
+     )
+ 
+     html += ''.join('<TR><TD ALIGN="LEFT" PORT="%s">%s</TD></TR>' % (col.name, format_col_str(col)) for col in table.columns)
+-    if metadata.bind and isinstance(metadata.bind.dialect, PGDialect):
++    if session.bind and isinstance(session.bind.dialect, PGDialect):
+         # postgres engine doesn't reflect indexes
+-        indexes = dict((name,defin) for name,defin in metadata.bind.execute(
++        indexes = dict((name,defin) for name,defin in session.bind.execute(
+             text("SELECT indexname, indexdef FROM pg_indexes WHERE tablename = '%s'" % table.name)
+         ))
+         if indexes and show_indexes:
+@@ -182,11 +184,12 @@ def format_name(obj_name, format_dict):
+     html += '</TABLE>>'
+     return html
+ 
+-def create_schema_graph(tables=None, metadata=None, show_indexes=True, show_datatypes=True, font="Bitstream-Vera Sans",
++def create_schema_graph(session=None, tables=None, metadata=None, show_indexes=True, show_datatypes=True, font="Bitstream-Vera Sans",
+     concentrate=True, relation_options={}, rankdir='TB', show_column_keys=False, restrict_tables=None,
+     show_schema_name=False, format_schema_name=None, format_table_name=None):
+     """
+     Args:
++      - session (sqlalchemy.orm.session.Session): A database session.
+       - metadata (sqlalchemy.MetaData, default=None): SqlAlchemy `MetaData` with reference to related tables.  If none
+         is provided, uses metadata from first entry of `tables` argument.
+       - concentrate (bool, default=True): Specifies if multiedges should be merged into a single edge & partially
+@@ -222,6 +225,12 @@ def create_schema_graph(tables=None, metadata=None, show_indexes=True, show_data
+     else:
+         raise ValueError("You need to specify at least tables or metadata")
+ 
++    if session is None:
++        if version.parse(sqlaver) >= version.parse('2.0.0'):
++            raise ValueError("You need to set up and provide a database session with sqlalchemy >= 2")
++        else:
++            session = metadata
++
+     # check if unexpected keys were used in format_schema_name param
+     if format_schema_name is not None and \
+             len(set(format_schema_name.keys()).difference({'color','fontsize', 'italics', 'bold'})) > 0:
+@@ -242,7 +251,7 @@ def create_schema_graph(tables=None, metadata=None, show_indexes=True, show_data
+         graph.add_node(pydot.Node(str(table.name),
+             shape="plaintext",
+             label=_render_table_html(
+-                table, metadata,
++                session, table,
+                 show_indexes, show_datatypes, show_column_keys, show_schema_name,
+                 format_schema_name, format_table_name
+             ),
diff --git a/python-sqlalchemy_schemadisplay.spec b/python-sqlalchemy_schemadisplay.spec
index 1c03f82..0c4ae8f 100644
--- a/python-sqlalchemy_schemadisplay.spec
+++ b/python-sqlalchemy_schemadisplay.spec
@@ -9,6 +9,8 @@ Summary:        Turn SQLAlchemy DB Model into a graph
 License:        MIT
 URL:            https://github.com/fschulze/%{srcname}
 Source0:        %{url}/archive/%{gittag}/%{srcname}-%{version}.tar.gz
+# https://github.com/fschulze/sqlalchemy_schemadisplay/pull/34
+Patch:          compatibility-fix-for-sqlalchemy2.patch
 BuildArch:      noarch
 
 BuildRequires:  python3-devel