diff --git a/build.py b/build.py
index 0bf8efa..8e2a1f6 100644
--- a/build.py
+++ b/build.py
@@ -33,7 +33,7 @@ default_task = "dev"
 name = "ddadevops"
 MODULE = "not-used"
 PROJECT_ROOT_PATH = "."
-version = "4.2.0"
+version = "4.2.1-dev"
 summary = "tools to support builds combining gopass, terraform, dda-pallet, aws & hetzner-cloud"
 description = __doc__
 authors = [Author("meissa GmbH", "buero@meissa-gmbh.de")]
diff --git a/infrastructure/clojure/build.py b/infrastructure/clojure/build.py
index 0d83fa1..e70858f 100644
--- a/infrastructure/clojure/build.py
+++ b/infrastructure/clojure/build.py
@@ -6,7 +6,7 @@ from ddadevops import *
 name = "ddadevops"
 MODULE = "clojure"
 PROJECT_ROOT_PATH = "../.."
-version = "4.2.0"
+version = "4.2.1-dev"
 
 @init
 def initialize(project):
diff --git a/infrastructure/ddadevops/build.py b/infrastructure/ddadevops/build.py
index 93b37b0..c953ffc 100644
--- a/infrastructure/ddadevops/build.py
+++ b/infrastructure/ddadevops/build.py
@@ -6,7 +6,7 @@ from ddadevops import *
 name = "ddadevops"
 MODULE = "ddadevops"
 PROJECT_ROOT_PATH = "../.."
-version = "4.2.0"
+version = "4.2.1-dev"
 
 
 @init
diff --git a/infrastructure/dind/build.py b/infrastructure/dind/build.py
index 90b5377..5714f8d 100644
--- a/infrastructure/dind/build.py
+++ b/infrastructure/dind/build.py
@@ -6,7 +6,7 @@ from ddadevops import *
 name = "ddadevops"
 MODULE = "dind"
 PROJECT_ROOT_PATH = "../.."
-version = "4.2.0"
+version = "4.2.1-dev"
 
 
 @init
diff --git a/infrastructure/python/build.py b/infrastructure/python/build.py
index aaee993..8f335e6 100644
--- a/infrastructure/python/build.py
+++ b/infrastructure/python/build.py
@@ -6,7 +6,7 @@ from ddadevops import *
 name = "ddadevops"
 MODULE = "python"
 PROJECT_ROOT_PATH = "../.."
-version = "4.2.0"
+version = "4.2.1-dev"
 
 
 @init