diff --git a/repo/linux/chrome-os b/repo/linux/chrome-os
index 7a0b17abb..67c38f988 100644
--- a/repo/linux/chrome-os
+++ b/repo/linux/chrome-os
@@ -1,6 +1,6 @@
 url: https://chromium.googlesource.com/chromiumos/third_party/kernel
 belongs_to: chrome-os
-branch_allowlist: chromeos-5.4|chromeos-5.10|chromeos-5.15|chromeos-6.1
+branch_allowlist: chromeos-5.4|chromeos-5.10|chromeos-5.15|chromeos-6.1|chromeos-6.6
 branch_denylist: .*
 arch_denylist: .*
 arch_allowlist: x86_64|i386|arm|arm64