diff --git a/nfdigeneral/custom/fleet.yaml b/nfdigeneral/custom/fleet.yaml
index 15324a39d4b627e688fd4c420cd5df8dde1e5753..62a6f596450f0f89102c8f0d9e5048295f62cbd7 100644
--- a/nfdigeneral/custom/fleet.yaml
+++ b/nfdigeneral/custom/fleet.yaml
@@ -40,6 +40,8 @@ helm:
       services:
         JupyterLab:
           defaultOption: "4.3"
+          "4.2":
+            enabled: false
           "3.6":
             enabled: false
       systems: