diff --git a/etc/chrony/sources.d/jauderho-nts-servers b/etc/chrony/sources.d/jauderho-nts-servers
index a25c35db..3ff57cd1 160000
--- a/etc/chrony/sources.d/jauderho-nts-servers
+++ b/etc/chrony/sources.d/jauderho-nts-servers
@@ -1 +1 @@
-Subproject commit a25c35db937f75e6056e060e96e367a41879fc66
+Subproject commit 3ff57cd1b764615364d083388344a5b69d44ad14