diff --git a/src/components/admin/machines/admin-machines-overview.tsx b/src/components/admin/machines/admin-machines-overview.tsx
index 7372d4d..3f75ac1 100644
--- a/src/components/admin/machines/admin-machines-overview.tsx
+++ b/src/components/admin/machines/admin-machines-overview.tsx
@@ -993,6 +993,17 @@ export function MachineDetails({ machine }: MachineDetailsProps) {
   const metadata = machine?.inventory ?? null
   const metrics = machine?.metrics ?? null
   const metricsCapturedAt = useMemo(() => getMetricsTimestamp(metrics), [metrics])
+  // Live refresh the relative time label every second when we have a capture timestamp
+  const [relativeTick, setRelativeTick] = useState(0)
+  useEffect(() => {
+    if (!metricsCapturedAt) return
+    const id = setInterval(() => setRelativeTick((t) => t + 1), 1000)
+    return () => clearInterval(id)
+  }, [metricsCapturedAt])
+  const lastUpdateRelative = useMemo(
+    () => (metricsCapturedAt ? formatRelativeTime(metricsCapturedAt) : null),
+    [metricsCapturedAt, relativeTick]
+  )
   const hardware = metadata?.hardware
   const network = metadata?.network ?? null
   const networkInterfaces = Array.isArray(network) ? network : null
@@ -1547,9 +1558,9 @@ export function MachineDetails({ machine }: MachineDetailsProps) {
             <section className="space-y-2">
               <div className="flex flex-wrap items-center gap-2">
                 <h4 className="text-sm font-semibold">Métricas recentes</h4>
-                {metricsCapturedAt ? (
+                {lastUpdateRelative ? (
                   <span className="text-xs font-medium text-muted-foreground">
-                    Última atualização {formatRelativeTime(metricsCapturedAt)}
+                    Última atualização {lastUpdateRelative}
                   </span>
                 ) : null}
               </div>