diff --git a/src/cpl_core/__init__.py b/src/cpl_core/__init__.py
index 33f82aae..a80f88c8 100644
--- a/src/cpl_core/__init__.py
+++ b/src/cpl_core/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -23,4 +23,4 @@ from collections import namedtuple
 # imports:
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/application/__init__.py b/src/cpl_core/application/__init__.py
index 3a87cd69..39356226 100644
--- a/src/cpl_core/application/__init__.py
+++ b/src/cpl_core/application/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.application"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -29,4 +29,4 @@ from .startup_abc import StartupABC
 from .startup_extension_abc import StartupExtensionABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/configuration/__init__.py b/src/cpl_core/configuration/__init__.py
index 1c84582e..79096006 100644
--- a/src/cpl_core/configuration/__init__.py
+++ b/src/cpl_core/configuration/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.configuration"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -35,4 +35,4 @@ from .validator_abc import ValidatorABC
 from .variable_argument import VariableArgument
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/console/__init__.py b/src/cpl_core/console/__init__.py
index 1f85043b..624737d4 100644
--- a/src/cpl_core/console/__init__.py
+++ b/src/cpl_core/console/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.console"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .foreground_color_enum import ForegroundColorEnum
 from .spinner_thread import SpinnerThread
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/cpl-core.json b/src/cpl_core/cpl-core.json
index eccc2894..98136f5d 100644
--- a/src/cpl_core/cpl-core.json
+++ b/src/cpl_core/cpl-core.json
@@ -4,7 +4,7 @@
     "Version": {
       "Major": "2023",
       "Minor": "4",
-      "Micro": "0.post1"
+      "Micro": "0.post2"
     },
     "Author": "Sven Heidemann",
     "AuthorEmail": "sven.heidemann@sh-edraft.de",
diff --git a/src/cpl_core/database/__init__.py b/src/cpl_core/database/__init__.py
index 2ddbf2ce..2ab6f55f 100644
--- a/src/cpl_core/database/__init__.py
+++ b/src/cpl_core/database/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.database"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -26,4 +26,4 @@ from .database_settings import DatabaseSettings
 from .table_abc import TableABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/database/connection/__init__.py b/src/cpl_core/database/connection/__init__.py
index 5354b745..a29b36cf 100644
--- a/src/cpl_core/database/connection/__init__.py
+++ b/src/cpl_core/database/connection/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.database.connection"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .database_connection import DatabaseConnection
 from .database_connection_abc import DatabaseConnectionABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/database/context/__init__.py b/src/cpl_core/database/context/__init__.py
index 7b72b757..ab6b66a1 100644
--- a/src/cpl_core/database/context/__init__.py
+++ b/src/cpl_core/database/context/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.database.context"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .database_context import DatabaseContext
 from .database_context_abc import DatabaseContextABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/database/database_settings.py b/src/cpl_core/database/database_settings.py
index c8ee032f..d6bac435 100644
--- a/src/cpl_core/database/database_settings.py
+++ b/src/cpl_core/database/database_settings.py
@@ -9,7 +9,7 @@ class DatabaseSettings(ConfigurationModelABC):
     def __init__(
         self,
         host: str = None,
-        port: int = None,
+        port: int = 3306,
         user: str = None,
         password: str = None,
         database: str = None,
diff --git a/src/cpl_core/dependency_injection/__init__.py b/src/cpl_core/dependency_injection/__init__.py
index b5474ba1..10cef790 100644
--- a/src/cpl_core/dependency_injection/__init__.py
+++ b/src/cpl_core/dependency_injection/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.dependency_injection"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -31,4 +31,4 @@ from .service_provider import ServiceProvider
 from .service_provider_abc import ServiceProviderABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/environment/__init__.py b/src/cpl_core/environment/__init__.py
index 2e0a30cb..04d2c03f 100644
--- a/src/cpl_core/environment/__init__.py
+++ b/src/cpl_core/environment/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.environment"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -26,4 +26,4 @@ from .environment_name_enum import EnvironmentNameEnum
 from .application_environment import ApplicationEnvironment
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/logging/__init__.py b/src/cpl_core/logging/__init__.py
index 5c812d5a..6cd5310a 100644
--- a/src/cpl_core/logging/__init__.py
+++ b/src/cpl_core/logging/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.logging"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .logging_settings import LoggingSettings
 from .logging_settings_name_enum import LoggingSettingsNameEnum
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/mailing/__init__.py b/src/cpl_core/mailing/__init__.py
index 2ae416dd..e7f1f297 100644
--- a/src/cpl_core/mailing/__init__.py
+++ b/src/cpl_core/mailing/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.mailing"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .email_client_settings import EMailClientSettings
 from .email_client_settings_name_enum import EMailClientSettingsNameEnum
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/pipes/__init__.py b/src/cpl_core/pipes/__init__.py
index 956b2267..7733a261 100644
--- a/src/cpl_core/pipes/__init__.py
+++ b/src/cpl_core/pipes/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.pipes"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -26,4 +26,4 @@ from .ip_address_pipe import IPAddressPipe
 from .pipe_abc import PipeABC
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/time/__init__.py b/src/cpl_core/time/__init__.py
index 100defe5..f75e94d0 100644
--- a/src/cpl_core/time/__init__.py
+++ b/src/cpl_core/time/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.time"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .time_format_settings import TimeFormatSettings
 from .time_format_settings_names_enum import TimeFormatSettingsNamesEnum
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")
diff --git a/src/cpl_core/utils/__init__.py b/src/cpl_core/utils/__init__.py
index 27e32634..1b7e8a01 100644
--- a/src/cpl_core/utils/__init__.py
+++ b/src/cpl_core/utils/__init__.py
@@ -15,7 +15,7 @@ __title__ = "cpl_core.utils"
 __author__ = "Sven Heidemann"
 __license__ = "MIT"
 __copyright__ = "Copyright (c) 2020 - 2023 sh-edraft.de"
-__version__ = "2023.4.0.post1"
+__version__ = "2023.4.0.post2"
 
 from collections import namedtuple
 
@@ -26,4 +26,4 @@ from .string import String
 from .pip import Pip
 
 VersionInfo = namedtuple("VersionInfo", "major minor micro")
-version_info = VersionInfo(major="2023", minor="4", micro="0.post1")
+version_info = VersionInfo(major="2023", minor="4", micro="0.post2")