diff --git a/crd/cloudprofilesync.cobaltcore.dev_managedcloudprofiles.yaml b/crd/cloudprofilesync.cobaltcore.dev_managedcloudprofiles.yaml
index 7546e34..ab557b7 100644
--- a/crd/cloudprofilesync.cobaltcore.dev_managedcloudprofiles.yaml
+++ b/crd/cloudprofilesync.cobaltcore.dev_managedcloudprofiles.yaml
@@ -516,25 +516,27 @@ spec:
                 - kubernetes
                 - type
                 type: object
+              garbageCollection:
+                description: GarbageCollection contains configuration for automated
+                  garbage collection
+                properties:
+                  enabled:
+                    description: Enabled toggles garbage collection for this resource.
+                    type: boolean
+                  maxAge:
+                    description: |-
+                      MaxAge defines the maximum age for images to keep. Images older than
+                      now - MaxAge are eligible for deletion.
+                    type: string
+                    x-kubernetes-validations:
+                    - message: maxAge must not be negative
+                      rule: duration(self) >= duration('0s')
+                type: object
               machineImageUpdates:
                 description: MachineImageUpdates contains the source and provider
                   information to automate machine images.
                 items:
                   properties:
-                    garbageCollection:
-                      description: GarbageCollection contains configuration for automated
-                        garbage collection
-                      properties:
-                        enabled:
-                          description: Enabled toggles garbage collection for this
-                            image.
-                          type: boolean
-                        maxAge:
-                          description: |-
-                            MaxAge defines the maximum age for images to keep. Images older than
-                            now MaxAge are eligible for deletion.
-                          type: string
-                      type: object
                     imageName:
                       description: ImagesName is the name of the image to maintain
                         automatically