diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
index 8ac5beb2d9cf21440da2fd1d154bc4865e01905c..7ff1a2cd44906fe7876bfb1d2f488c487082c2cd 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
@@ -11,7 +11,7 @@
     "vendor": "Dell Inc.",
     "version": "2.9.3"
   },
-  "bmc_version": "4.40",
+  "bmc_version": "4.40.00.00",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge C6420",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
index 3e64be5cf51c258487f9bc44976c065730620561..c06e893c2f10e9ef196cef38f5f17433e04b98ed 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
@@ -7,11 +7,11 @@
     "platform_type": "x86_64"
   },
   "bios": {
-    "release_date": "08/28/2020",
+    "release_date": "09/22/2020",
     "vendor": "Dell Inc.",
-    "version": "2.8.2"
+    "version": "2.9.3"
   },
-  "bmc_version": "4.22.00.00",
+  "bmc_version": "4.40.00.00",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge C6420",
@@ -158,7 +158,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Skylake",
-    "microcode": "0x2006906",
+    "microcode": "0x2006a08",
     "model": "Intel Xeon",
     "other_description": "Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz",
     "vendor": "Intel",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
index 3c64e9878d0b8270b3df63cf3473752391dd0886..a88bd6601d6640d11edd2293c499a685c7449599 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
@@ -11,7 +11,7 @@
     "vendor": "Dell Inc.",
     "version": "2.9.3"
   },
-  "bmc_version": "4.40",
+  "bmc_version": "4.40.00.00",
   "chassis": {
     "manufacturer": "Dell Inc.",
     "name": "PowerEdge C6420",
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.yaml
index 1c89bf2ce0a4a821e93ca85af2323657e467d5ca..1920d49693b931f69300f050258f71fda93bc8aa 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.yaml
@@ -11,7 +11,7 @@ dahu-20:
     release_date: '09/22/2020'
     vendor: Dell Inc.
     version: 2.9.3
-  bmc_version: '4.40'
+  bmc_version: 4.40.00.00
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge C6420
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
index 820c7c6327cba88040529f3da50e78d90840a40a..127a3f48f36b2ae6c26a04f9c5da4ffb955b28d6 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.yaml
@@ -8,10 +8,10 @@ dahu-31:
     nb_threads: 64
     platform_type: x86_64
   bios:
-    release_date: '08/28/2020'
+    release_date: '09/22/2020'
     vendor: Dell Inc.
-    version: 2.8.2
-  bmc_version: 4.22.00.00
+    version: 2.9.3
+  bmc_version: 4.40.00.00
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge C6420
@@ -69,7 +69,7 @@ dahu-31:
     cache_l3: 23068672
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x2006906'
+    microcode: '0x2006a08'
     model: Intel Xeon
     other_description: Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz
     vendor: Intel
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.yaml b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.yaml
index 7a2e2bbbc6591af365ca21aa908b9c94edd7bfd2..39291a58a239d55e22875006927232a43e2da045 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.yaml
@@ -11,7 +11,7 @@ dahu-5:
     release_date: '09/22/2020'
     vendor: Dell Inc.
     version: 2.9.3
-  bmc_version: '4.40'
+  bmc_version: 4.40.00.00
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge C6420