diff --git a/ansible/inventory.yml b/ansible/inventory.yml
index 1e97476..8f46c0b 100644
--- a/ansible/inventory.yml
+++ b/ansible/inventory.yml
@@ -27,7 +27,7 @@ vms:
       - ntp12.metas.ch
       - ntp-p1.obspm.fr
 
-      - ntp4.bit.nl
+      - ntp2.litnet.lt
       - ntp02.gyptazy.ch
       - ntp2.tp.pl
 
@@ -44,7 +44,7 @@ vms:
       - tock.espanix.net
 
       - tock.ntp.infomaniak.ch
-      - ntp1.home4u.ch
-      - ntp2.litnet.lt
+      - mmo2.ntp.netnod.se
+      - ntp.nic.cz