diff --git a/data/grid5000/sites/nantes/servers/srv-3.json b/data/grid5000/sites/nantes/servers/srv-3.json
index 27d6c04f7640dc5954fa16b2a0ea689207d3b00a..1664c4b2a70bc7d3e7c60873126b9d9c7d6714a3 100644
--- a/data/grid5000/sites/nantes/servers/srv-3.json
+++ b/data/grid5000/sites/nantes/servers/srv-3.json
@@ -16,5 +16,5 @@
   "serial": "9TJRXW2",
   "type": "server",
   "uid": "srv-3",
-  "warranty": "2019-11"
+  "warranty": "2026-04-25"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/srv-4.json b/data/grid5000/sites/nantes/servers/srv-4.json
index fa3ba98954af0f7a4300af25b3641cc637a592ac..77cb93a0526ce3c7c8e7150e312216b7fa61360e 100644
--- a/data/grid5000/sites/nantes/servers/srv-4.json
+++ b/data/grid5000/sites/nantes/servers/srv-4.json
@@ -13,5 +13,5 @@
   "serial": "BTJRXW2",
   "type": "server",
   "uid": "srv-4",
-  "warranty": "2019-11"
+  "warranty": "2026-04-25"
 }
\ No newline at end of file
diff --git a/input/grid5000/sites/nantes/servers/servers.yaml b/input/grid5000/sites/nantes/servers/servers.yaml
index 50226adeb3ca07fcd13e7719bbc87e69eaee05a5..1903eef9b0a4de301581bc2d378574822c3eecf3 100644
--- a/input/grid5000/sites/nantes/servers/servers.yaml
+++ b/input/grid5000/sites/nantes/servers/servers.yaml
@@ -40,7 +40,7 @@ srv-3:
   kind: physical
   alias:
     - ntp
-  warranty: 2019-11
+  warranty: 2026-04-25
   serial: 9TJRXW2
   network_adapters:
     default:
@@ -52,7 +52,7 @@ srv-3:
 
 srv-4:
   kind: physical
-  warranty: 2019-11
+  warranty: 2026-04-25
   serial: BTJRXW2
   network_adapters:
     default: