diff --git a/data/grid5000/sites/lille/servers/gardin.json b/data/grid5000/sites/lille/servers/gardin.json
index 8873b7166aa4cbd8b847bafb34c5d9f61ea621eb..b4a9fe6a84d7f87600bff4d087b84932587b9965 100644
--- a/data/grid5000/sites/lille/servers/gardin.json
+++ b/data/grid5000/sites/lille/servers/gardin.json
@@ -19,5 +19,5 @@
   "serial": "2SYTKQ2",
   "type": "server",
   "uid": "gardin",
-  "warranty": "2023-06-25"
+  "warranty": "2025-06-25"
 }
\ No newline at end of file
diff --git a/data/grid5000/sites/lille/servers/gwol-north.json b/data/grid5000/sites/lille/servers/gwol-north.json
index 7a7cad310abd8eee617e0c312a08d8ac3da67f27..948fc46a93a1102db690fa5862cb305d23089731 100644
--- a/data/grid5000/sites/lille/servers/gwol-north.json
+++ b/data/grid5000/sites/lille/servers/gwol-north.json
@@ -19,5 +19,5 @@
   "serial": "2SSSKQ2",
   "type": "server",
   "uid": "gwol-north",
-  "warranty": "2023-06-25"
+  "warranty": "2025-06-25"
 }
\ No newline at end of file