diff --git a/container/build-iso.py b/container/build-iso.py
index 9f3dd7f..6115912 100755
--- a/container/build-iso.py
+++ b/container/build-iso.py
@@ -60,9 +60,9 @@
 # switch iso by selected os
 if config['os'] == "jammy":
     config['input'] = {}
-    config['input']['iso_filename'] = "ubuntu-22.04.2-live-server-amd64.iso"
+    config['input']['iso_filename'] = "ubuntu-22.04.3-live-server-amd64.iso"
     config['input']['iso_url'] = (
-        "https://releases.ubuntu.com/22.04/ubuntu-22.04.2-live-server-amd64.iso"
+        "https://releases.ubuntu.com/22.04/ubuntu-22.04.3-live-server-amd64.iso"
     )
     config['input']['sha256_filename'] = "SHA256SUMS"
     config['input']['sha256_url'] = "https://releases.ubuntu.com/22.04/SHA256SUMS"
@@ -77,9 +77,9 @@
     ]
 elif config['os'] == "focal":
     config['input'] = {}
-    config['input']['iso_filename'] = "ubuntu-20.04.5-live-server-amd64.iso"
+    config['input']['iso_filename'] = "ubuntu-20.04.6-live-server-amd64.iso"
     config['input']['iso_url'] = (
-        "https://releases.ubuntu.com/20.04/ubuntu-20.04.5-live-server-amd64.iso"
+        "https://releases.ubuntu.com/20.04/ubuntu-20.04.6-live-server-amd64.iso"
     )
     config['input']['sha256_filename'] = "SHA256SUMS"
     config['input']['sha256_url'] = "https://releases.ubuntu.com/20.04/SHA256SUMS"