diff --git a/data/grid5000/sites/sophia/clusters/esterel26/nodes/esterel26-1.json b/data/grid5000/sites/sophia/clusters/esterel26/nodes/esterel26-1.json
index 71a2c919c500d9582d91b67d9b2c6cffc9b5041b..889c21a4ef3c0ae37b12bfc3eeb1eb85dc58017b 100644
--- a/data/grid5000/sites/sophia/clusters/esterel26/nodes/esterel26-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel26/nodes/esterel26-1.json
@@ -44,7 +44,7 @@
       "ip": "172.16.131.33",
       "ip6": "2001:660:4406:800:4::21",
       "kavlan": false,
-      "mac": "50:9a:4c:6c:38:d9",
+      "mac": "70:b5:e8:e1:41:14",
       "management": false,
       "mountable": true,
       "mounted": true,
@@ -99,7 +99,7 @@
   "redfish": true,
   "software": {
     "forced-deployment-timestamp": 202007300948,
-    "postinstall-version": "1.2025021810",
+    "postinstall-version": "1.2025032008",
     "standard-environment": "debian11-x64-std"
   },
   "storage_devices": [
diff --git a/input/grid5000/sites/sophia/clusters/esterel26/nodes.yaml.erb b/input/grid5000/sites/sophia/clusters/esterel26/nodes.yaml.erb
index cd244fa83583c1d22068833f0e993e5b23a01002..70c85c2023833f4727a77f2e7a6dd9881d8b0095 100644
--- a/input/grid5000/sites/sophia/clusters/esterel26/nodes.yaml.erb
+++ b/input/grid5000/sites/sophia/clusters/esterel26/nodes.yaml.erb
@@ -1,12 +1,12 @@
 <%
-  # File generated by 'rake mass:create SRC=doc/sophia-clusters-mass-create-tmp.csv
+  # File generated by 'rake mass:create SRC=doc/sophia-clusters-mass-create-new-final.csv
   # If changes are needed, it might be better to edit the source data and regenerate using 'rake mass:create'
  
   cluster_name = "esterel26"
   nodes_number = 1 # Size of the cluster (number of nodes)
   # MAC addresses declaration
   mac_eth0_list = %w(
-50:9a:4c:6c:38:d9
+70:b5:e8:e1:41:14
   )
   mac_bmc_list = %w(
 70:b5:e8:e1:41:24