diff --git a/ansible/group_vars/all/kuma.yaml b/ansible/group_vars/all/kuma.yaml
new file mode 100644
index 0000000..a8c9246
--- /dev/null
+++ b/ansible/group_vars/all/kuma.yaml
@@ -0,0 +1,2 @@
+---
+heartbeat_timer_interval: 300
diff --git a/ansible/host_vars/thonkpad.ka.chaoswg.org/override.yaml b/ansible/host_vars/thonkpad.ka.chaoswg.org/override.yaml
new file mode 100644
index 0000000..d80a73b
--- /dev/null
+++ b/ansible/host_vars/thonkpad.ka.chaoswg.org/override.yaml
@@ -0,0 +1,2 @@
+---
+heartbeat_timer_interval: 60
diff --git a/ansible/plays/common.yaml b/ansible/plays/common.yaml
index 91ed0d2..d413cfe 100644
--- a/ansible/plays/common.yaml
+++ b/ansible/plays/common.yaml
@@ -246,7 +246,7 @@
         name: "{{ inventory_hostname }}"
         description: "Managed by Ansible"
         type: push
-        interval: 330
+        interval: "{{ heartbeat_timer_interval|mandatory + 30 }}"
         maxretries: 2
         notification_names:
           - "Kuma Statusmonitor"
diff --git a/ansible/plays/templates/heartbeat.timer.j2 b/ansible/plays/templates/heartbeat.timer.j2
index f57344b..c8554d8 100644
--- a/ansible/plays/templates/heartbeat.timer.j2
+++ b/ansible/plays/templates/heartbeat.timer.j2
@@ -1,9 +1,9 @@
 [Unit]
-Description=Send heartbeat every 5 minutes
+Description=Notify Kuma that this node is alive
 
 [Timer]
-OnCalendar=*-*-* *:00/5:00
-Persistent=true
+OnActiveSec={{ heartbeat_timer_interval }}
+OnUnitActiveSec={{ heartbeat_timer_interval }}
 
 [Install]
 WantedBy=timers.target