diff --git a/group_vars/all b/group_vars/all
index 59d25d4..3158140 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -19,6 +19,11 @@ common_hostname: True
 common_rsyslog: True
 common_openssh_permit_root_login: "yes"
 
+common_ntp_servers:
+  - tutimea.tuwien.ac.at
+  - tutimeb.tuwien.ac.at
+  - tutimec.tuwien.ac.at
+
 common_resolvconf: True
 common_resolvconf_nameservers: ["192.168.86.1"]
 common_resolvconf_search: ["fet.htu.tuwien.ac.at"]
diff --git a/roles/common b/roles/common
index 4202214..3449d6e 160000
--- a/roles/common
+++ b/roles/common
@@ -1 +1 @@
-Subproject commit 4202214cd954043989c0aa2c7cbf4f013c11ed5a
+Subproject commit 3449d6ee718ab8597ff987b04abbf1e80ae183d7