diff --git a/input/grid5000/sites/nantes/servers/servers.yaml b/input/grid5000/sites/nantes/servers/servers.yaml
index 77c9ce352c5997230cca91da51bae69cc1d5eee7..1c94299b3dcc20526f777db360e500c5edf11292 100644
--- a/input/grid5000/sites/nantes/servers/servers.yaml
+++ b/input/grid5000/sites/nantes/servers/servers.yaml
@@ -1,7 +1,7 @@
 srv:
   kind: physical
   alias: [adminfront, af]
-  warranty: 11.2017
+  warranty: 11.2019
   serial: HP2YG5J
   network_adapters:
     default:
@@ -14,7 +14,7 @@ srv:
 srv-data:
   kind: physical
   alias: [nfs, home-g5k, public]
-  warranty: 11.2017
+  warranty: 11.2019
   serial: 346ZG5J
   network_adapters:
     default:
@@ -28,7 +28,7 @@ srv-2:
   kind: physical
   alias:
     - ntp
-  warranty: 11.2017
+  warranty: 11.2019
   serial: JP2YG5J
   network_adapters:
     default: