diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f15eaa3..6d7e372 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "domaindrivenarchitecture/devops-build:4.0.7"
+image: "domaindrivenarchitecture/devops-build:4.0.8"
 
 before_script:
   - python --version
diff --git a/build.py b/build.py
index 6237a56..eef0f73 100644
--- a/build.py
+++ b/build.py
@@ -33,7 +33,7 @@ default_task = "dev"
 name = "ddadevops"
 MODULE = "not-used"
 PROJECT_ROOT_PATH = "."
-version = "4.0.8-dev1"
+version = "4.0.9-dev1"
 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/src/main/python/ddadevops/domain/release.py b/src/main/python/ddadevops/domain/release.py
index 982f3b0..e8a6db5 100644
--- a/src/main/python/ddadevops/domain/release.py
+++ b/src/main/python/ddadevops/domain/release.py
@@ -46,7 +46,7 @@ class Release(Validateable):
                 )
         if self.version:
             result += self.version.validate()
-        if self.release_type is not None:
+        if self.release_type is not None and self.release_type != ReleaseType.NONE:
             result += self.__validate_is_not_empty__("release_current_branch")
             if (
                 self.release_current_branch is not None