diff --git a/tests/vm/Vagrantfile b/tests/vm/Vagrantfile
index 80162a9..18d5e80 100644
--- a/tests/vm/Vagrantfile
+++ b/tests/vm/Vagrantfile
@@ -35,8 +35,8 @@ Vagrant.configure("2") do |config|
 
   # ── Provider libvirt commun ─────────────────────────────────────────────────
   config.vm.provider :libvirt do |v|
-    v.cpus       = 4
-    v.memory     = 4096
+    v.cpus       = 2
+    v.memory     = 2048
     v.nested     = false
     v.cpu_mode   = "host-passthrough"
     v.driver     = "kvm"
@@ -125,8 +125,8 @@ Vagrant.configure("2") do |config|
       libvirt__network_name: "ja4-e2e",
       libvirt__netmask: "255.255.255.0"
     node.vm.provider :libvirt do |v|
-      v.cpus   = 4
-      v.memory = 12288   # 12 Go — torch + isotree build gourmand en RAM
+      v.cpus   = 2
+      v.memory = 8192    # 8 Go — torch + isotree build
     end
     node.vm.provision "shell", path: "provision-analysis.sh"
     node.vm.post_up_message = <<~MSG