diff --git a/apt-sync.py b/apt-sync.py
index 93fbb13..a49d19b 100755
--- a/apt-sync.py
+++ b/apt-sync.py
@@ -29,7 +29,7 @@ if USE_ADDR_FAMILY != '':
     urllib3_cn.allowed_gai_family = lambda: socket.AF_INET if USE_ADDR_FAMILY == 'ipv4' else socket.AF_INET6
 
 OS_TEMPLATE = {
-    'ubuntu-lts': ["bionic", "focal", "jammy"],
+    'ubuntu-lts': ["focal", "jammy"],
     'debian-current': ["buster", "bullseye", "bookworm"],
     'debian-latest2': ["bullseye", "bookworm"],
     'debian-latest': ["bookworm"],