diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 1c054cf..97c2019 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -4,6 +4,10 @@ ChangeLog
 0.2
 ===
 
+0.2.3
+-----
+- Fix tortoise ssl config.
+
 0.2.2
 -----
 - Fix postgres drop fk.
diff --git a/aerich/__init__.py b/aerich/__init__.py
index b5fdc75..d31c31e 100644
--- a/aerich/__init__.py
+++ b/aerich/__init__.py
@@ -1 +1 @@
-__version__ = "0.2.2"
+__version__ = "0.2.3"
diff --git a/aerich/migrate.py b/aerich/migrate.py
index 6b246c7..6a79c99 100644
--- a/aerich/migrate.py
+++ b/aerich/migrate.py
@@ -1,7 +1,6 @@
 import json
 import os
 import re
-from copy import deepcopy
 from datetime import datetime
 from importlib import import_module
 from typing import Dict, List, Tuple, Type
@@ -178,14 +177,13 @@ class Migrate:
         :param location:
         :return:
         """
-        temp_config = deepcopy(config)
         path = os.path.join(location, app, cls.old_models)
         path = path.replace(os.sep, ".").lstrip(".")
-        temp_config["apps"][cls.diff_app] = {
+        config["apps"][cls.diff_app] = {
             "models": [path],
             "default_connection": config.get("apps").get(app).get("default_connection", "default"),
         }
-        return temp_config
+        return config
 
     @classmethod
     def write_old_models(cls, config: dict, app: str, location: str):