diff --git a/cpl.json b/cpl.json
index 2e8f3a0c..f479eab1 100644
--- a/cpl.json
+++ b/cpl.json
@@ -4,7 +4,7 @@
     "Version": {
       "Major": "2021",
       "Minor": "04",
-      "Micro": "0rc1"
+      "Micro": "0rc2"
     },
     "Author": "Sven Heidemann",
     "AuthorEmail": "sven.heidemann@sh-edraft.de",
diff --git a/src/cpl/__init__.py b/src/cpl/__init__.py
index 4609980b..4cb520b7 100644
--- a/src/cpl/__init__.py
+++ b/src/cpl/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'sh_cpl.cpl'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/application/__init__.py b/src/cpl/application/__init__.py
index 48b1a0ef..5776785d 100644
--- a/src/cpl/application/__init__.py
+++ b/src/cpl/application/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.application'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -26,4 +26,4 @@ from .application_builder_abc import ApplicationBuilderABC
 from .startup_abc import StartupABC
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/configuration/__init__.py b/src/cpl/configuration/__init__.py
index 2f04a649..fb5b256a 100644
--- a/src/cpl/configuration/__init__.py
+++ b/src/cpl/configuration/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.configuration'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -27,4 +27,4 @@ from .configuration_variable_name_enum import ConfigurationVariableNameEnum
 from .console_argument import ConsoleArgument
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/console/__init__.py b/src/cpl/console/__init__.py
index 3de1e5ff..324ad38a 100644
--- a/src/cpl/console/__init__.py
+++ b/src/cpl/console/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.console'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -27,4 +27,4 @@ from .foreground_color_enum import ForegroundColorEnum
 from .spinner_thread import SpinnerThread
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/database/__init__.py b/src/cpl/database/__init__.py
index 2932987e..b239817c 100644
--- a/src/cpl/database/__init__.py
+++ b/src/cpl/database/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.database'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .database_settings import DatabaseSettings
 from .database_settings_name_enum import DatabaseSettingsNameEnum
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/database/connection/__init__.py b/src/cpl/database/connection/__init__.py
index 7f139ea8..94f28a8f 100644
--- a/src/cpl/database/connection/__init__.py
+++ b/src/cpl/database/connection/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.database.connection'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -24,4 +24,4 @@ from .database_connection import DatabaseConnection
 from .database_connection_abc import DatabaseConnectionABC
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/database/context/__init__.py b/src/cpl/database/context/__init__.py
index 42d53c63..6fe868c2 100644
--- a/src/cpl/database/context/__init__.py
+++ b/src/cpl/database/context/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.database.context'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -24,4 +24,4 @@ from .database_context import DatabaseContext
 from .database_context_abc import DatabaseContextABC
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/dependency_injection/__init__.py b/src/cpl/dependency_injection/__init__.py
index 6328afee..2843a800 100644
--- a/src/cpl/dependency_injection/__init__.py
+++ b/src/cpl/dependency_injection/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.dependency_injection'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .service_provider import ServiceProvider
 from .service_provider_abc import ServiceProviderABC
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/environment/__init__.py b/src/cpl/environment/__init__.py
index 6f992d48..39ca4882 100644
--- a/src/cpl/environment/__init__.py
+++ b/src/cpl/environment/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.environment'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .environment_name_enum import EnvironmentNameEnum
 from .application_environment import ApplicationEnvironment
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/logging/__init__.py b/src/cpl/logging/__init__.py
index 9acbc717..07494742 100644
--- a/src/cpl/logging/__init__.py
+++ b/src/cpl/logging/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.logging'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -27,4 +27,4 @@ from .logging_settings import LoggingSettings
 from .logging_settings_name_enum import LoggingSettingsNameEnum
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/mailing/__init__.py b/src/cpl/mailing/__init__.py
index e2aa576f..650f3221 100644
--- a/src/cpl/mailing/__init__.py
+++ b/src/cpl/mailing/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.mailing'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -27,4 +27,4 @@ from .email_client_settings import EMailClientSettings
 from .email_client_settings_name_enum import EMailClientSettingsNameEnum
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/time/__init__.py b/src/cpl/time/__init__.py
index 22dfd003..5e5bbc9f 100644
--- a/src/cpl/time/__init__.py
+++ b/src/cpl/time/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.time'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -24,4 +24,4 @@ from .time_format_settings import TimeFormatSettings
 from .time_format_settings_names_enum import TimeFormatSettingsNamesEnum
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl/utils/__init__.py b/src/cpl/utils/__init__.py
index b5961270..f0d2a0b2 100644
--- a/src/cpl/utils/__init__.py
+++ b/src/cpl/utils/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl.utils'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -25,4 +25,4 @@ from .string import String
 from .pip import Pip
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/__init__.py b/src/cpl_cli/__init__.py
index bdd4af8e..b36f18d5 100644
--- a/src/cpl_cli/__init__.py
+++ b/src/cpl_cli/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'sh_cpl.cpl_cli'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -29,4 +29,4 @@ from .main import main
 from .startup import Startup
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/command/__init__.py b/src/cpl_cli/command/__init__.py
index cdbc5fd4..6a17fd30 100644
--- a/src/cpl_cli/command/__init__.py
+++ b/src/cpl_cli/command/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl_cli.command'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .publish_service import PublishService
 from .version_service import VersionService
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/configuration/__init__.py b/src/cpl_cli/configuration/__init__.py
index 5199cad1..c4ad90ea 100644
--- a/src/cpl_cli/configuration/__init__.py
+++ b/src/cpl_cli/configuration/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl_cli.configuration'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -28,4 +28,4 @@ from .version_settings import VersionSettings
 from .version_settings_name_enum import VersionSettingsNameEnum
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/live_server/__init__.py b/src/cpl_cli/live_server/__init__.py
index f9406034..7c9f0117 100644
--- a/src/cpl_cli/live_server/__init__.py
+++ b/src/cpl_cli/live_server/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.live_server'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/publish/__init__.py b/src/cpl_cli/publish/__init__.py
index edc6be7a..d268c256 100644
--- a/src/cpl_cli/publish/__init__.py
+++ b/src/cpl_cli/publish/__init__.py
@@ -15,7 +15,7 @@ __title__ = 'cpl_cli.publish'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
@@ -24,4 +24,4 @@ from .publisher_abc import PublisherABC
 from .publisher_service import PublisherService
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/__init__.py b/src/cpl_cli/templates/__init__.py
index acde15b9..e60f76e9 100644
--- a/src/cpl_cli/templates/__init__.py
+++ b/src/cpl_cli/templates/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/build/__init__.py b/src/cpl_cli/templates/build/__init__.py
index 96c96d03..45b878bd 100644
--- a/src/cpl_cli/templates/build/__init__.py
+++ b/src/cpl_cli/templates/build/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.build'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/generate/__init__.py b/src/cpl_cli/templates/generate/__init__.py
index fb5dbc48..223acece 100644
--- a/src/cpl_cli/templates/generate/__init__.py
+++ b/src/cpl_cli/templates/generate/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.generate'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/new/__init__.py b/src/cpl_cli/templates/new/__init__.py
index 53fb0e8d..e02fd424 100644
--- a/src/cpl_cli/templates/new/__init__.py
+++ b/src/cpl_cli/templates/new/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.new'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/new/console/__init__.py b/src/cpl_cli/templates/new/console/__init__.py
index 7d10cbad..c0ae4dfc 100644
--- a/src/cpl_cli/templates/new/console/__init__.py
+++ b/src/cpl_cli/templates/new/console/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.new.console'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/new/console/src/__init__.py b/src/cpl_cli/templates/new/console/src/__init__.py
index 37d6ebf7..a7a5fe17 100644
--- a/src/cpl_cli/templates/new/console/src/__init__.py
+++ b/src/cpl_cli/templates/new/console/src/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.new.console.src'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/new/console/src/tests/__init__.py b/src/cpl_cli/templates/new/console/src/tests/__init__.py
index debc21ab..c16c6b45 100644
--- a/src/cpl_cli/templates/new/console/src/tests/__init__.py
+++ b/src/cpl_cli/templates/new/console/src/tests/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.new.console.src.tests'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')
diff --git a/src/cpl_cli/templates/publish/__init__.py b/src/cpl_cli/templates/publish/__init__.py
index 5ee450e7..7e7712d6 100644
--- a/src/cpl_cli/templates/publish/__init__.py
+++ b/src/cpl_cli/templates/publish/__init__.py
@@ -15,11 +15,11 @@ __title__ = 'cpl_cli.templates.publish'
 __author__ = 'Sven Heidemann'
 __license__ = 'MIT'
 __copyright__ = 'Copyright (c) 2020 - 2021 sh-edraft.de'
-__version__ = '2021.4.0rc1'
+__version__ = '2021.4.0rc2'
 
 from collections import namedtuple
 
 # imports:
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
-version_info = VersionInfo(major='2021', minor='04', micro='0rc1')
+version_info = VersionInfo(major='2021', minor='04', micro='0rc2')