diff --git a/src/app/(dashboard)/hosts/page.tsx b/src/app/(dashboard)/hosts/page.tsx
index 8ef218f..de51258 100644
--- a/src/app/(dashboard)/hosts/page.tsx
+++ b/src/app/(dashboard)/hosts/page.tsx
@@ -15,6 +15,10 @@ import {
 } from '@/components/ui/table';
 import { prisma } from '@/lib/db/prisma';
 
+// L'inventaire évolue à chaque scan : pas de cache de route
+export const dynamic = 'force-dynamic';
+export const revalidate = 0;
+
 async function getHosts() {
   try {
     return await prisma.host.findMany({
diff --git a/src/app/(dashboard)/scans/page.tsx b/src/app/(dashboard)/scans/page.tsx
index b728f33..a5e8bf3 100644
--- a/src/app/(dashboard)/scans/page.tsx
+++ b/src/app/(dashboard)/scans/page.tsx
@@ -15,6 +15,10 @@ import {
 import { DiscoveryLauncher } from '@/components/scans/discovery-launcher';
 import { prisma } from '@/lib/db/prisma';
 
+// L'historique change à chaque scan : pas de cache de route
+export const dynamic = 'force-dynamic';
+export const revalidate = 0;
+
 async function getScans() {
   try {
     return await prisma.scan.findMany({
diff --git a/src/components/scans/discovery-launcher.tsx b/src/components/scans/discovery-launcher.tsx
index 6d70a79..fbe0289 100644
--- a/src/components/scans/discovery-launcher.tsx
+++ b/src/components/scans/discovery-launcher.tsx
@@ -1,6 +1,7 @@
 'use client';
 
 import { useState } from 'react';
+import { useRouter } from 'next/navigation';
 import { Radar, Zap } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
@@ -10,6 +11,7 @@ import { Card } from '@/components/ui/card';
 type Kind = 'full' | 'ping' | 'port' | 'arp' | 'mdns';
 
 export function DiscoveryLauncher() {
+  const router = useRouter();
   const [kind, setKind] = useState<Kind>('full');
   const [cidr, setCidr] = useState('192.168.1.0/24');
   const [loading, setLoading] = useState(false);
@@ -37,6 +39,8 @@ export function DiscoveryLauncher() {
       setMessage(
         `✓ Scan ${json.data.status} — ${json.data.hostsFound} hôtes, ${json.data.portsFound} ports`,
       );
+      // Invalide le cache route pour que l'historique se rafraîchisse
+      router.refresh();
     } catch (e) {
       setMessage(`✕ ${(e as Error).message}`);
     } finally {