diff --git a/charts/stable/netbootxyz/Chart.yaml b/charts/stable/netbootxyz/Chart.yaml
index 6012d6953cf..cbc1146e22b 100644
--- a/charts/stable/netbootxyz/Chart.yaml
+++ b/charts/stable/netbootxyz/Chart.yaml
@@ -36,5 +36,5 @@ sources:
   - https://github.com/netbootxyz/netboot.xyz
   - https://github.com/truecharts/charts/tree/master/charts/stable/netbootxyz
 type: application
-version: 7.2.0
+version: 7.2.1
 
diff --git a/charts/stable/netbootxyz/values.yaml b/charts/stable/netbootxyz/values.yaml
index caf1e90413e..71a30d71533 100644
--- a/charts/stable/netbootxyz/values.yaml
+++ b/charts/stable/netbootxyz/values.yaml
@@ -20,6 +20,7 @@ workload:
         main:
           env:
             MENU_VERSION: ""
+            TFTPD_OPTS: "--tftp-single-port"
 
 service:
   main: