diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
index 1f1414661c36318d87a7f5081d1212ba1dbbf25c..86f27822d4bce9b0bd122e5f7f104b24f5e6509f 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.json
@@ -7,9 +7,9 @@
     "platform_type": "aarch64"
   },
   "bios": {
-    "release_date": "10/25/2019",
+    "release_date": "12/27/2019",
     "vendor": "GIGABYTE",
-    "version": "F27"
+    "version": "F28"
   },
   "bmc_version": "1.95",
   "chassis": {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
index 0ade8b5c3b01c79d8b5526e1ab498998ba436230..369842b59dbd12a6e2facfa80a9d5c18c64b95ec 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.json
@@ -7,9 +7,9 @@
     "platform_type": "aarch64"
   },
   "bios": {
-    "release_date": "10/25/2019",
+    "release_date": "12/27/2019",
     "vendor": "GIGABYTE",
-    "version": "F27"
+    "version": "F28"
   },
   "bmc_version": "1.95",
   "chassis": {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
index f3002b3851fb99537229dcbb0a5b2971f7d555ce..1c1fe71497e3d8fe8a2d4932c2d1547336071f45 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.json
@@ -7,9 +7,9 @@
     "platform_type": "aarch64"
   },
   "bios": {
-    "release_date": "10/25/2019",
+    "release_date": "12/27/2019",
     "vendor": "GIGABYTE",
-    "version": "F27"
+    "version": "F28"
   },
   "bmc_version": "1.95",
   "chassis": {
diff --git a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
index 3633600ff1f704e49d9e92c3354d4b916172342e..20cc701697e829c65868335f212fb355d30b83b8 100644
--- a/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
+++ b/data/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.json
@@ -7,9 +7,9 @@
     "platform_type": "aarch64"
   },
   "bios": {
-    "release_date": "10/25/2019",
+    "release_date": "12/27/2019",
     "vendor": "GIGABYTE",
-    "version": "F27"
+    "version": "F28"
   },
   "bmc_version": "1.95",
   "chassis": {
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
index 5052b6076e32e712e1de535936ebe9a73fd593cb..140f46ca7e30d96371729bf2f8c7b08b09692777 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-1.yaml
@@ -8,9 +8,9 @@ pyxis-1:
     nb_threads: 256
     platform_type: aarch64
   bios:
-    release_date: 10/25/2019
+    release_date: 12/27/2019
     vendor: GIGABYTE
-    version: F27
+    version: F28
   bmc_version: '1.95'
   chassis:
     manufacturer: GIGABYTE
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
index 52d85183e730a6a3793803a3e3a9203cf9fa0743..6d9b9ede27494b67046f58875e7d391adf270d2b 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-2.yaml
@@ -8,9 +8,9 @@ pyxis-2:
     nb_threads: 256
     platform_type: aarch64
   bios:
-    release_date: 10/25/2019
+    release_date: 12/27/2019
     vendor: GIGABYTE
-    version: F27
+    version: F28
   bmc_version: '1.95'
   chassis:
     manufacturer: GIGABYTE
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
index a5c95801acd6e9fa6df239f9de2488af443b762b..ffc6d17919a59a6f0cee0f019112b8d16c65f209 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-3.yaml
@@ -8,9 +8,9 @@ pyxis-3:
     nb_threads: 256
     platform_type: aarch64
   bios:
-    release_date: 10/25/2019
+    release_date: 12/27/2019
     vendor: GIGABYTE
-    version: F27
+    version: F28
   bmc_version: '1.95'
   chassis:
     manufacturer: GIGABYTE
diff --git a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
index 8c1031957c191ad37d6e780e48d0c37492498184..77bf3762df5ec61e737500122fc20ef074b574dc 100644
--- a/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
+++ b/input/grid5000/sites/lyon/clusters/pyxis/nodes/pyxis-4.yaml
@@ -8,9 +8,9 @@ pyxis-4:
     nb_threads: 256
     platform_type: aarch64
   bios:
-    release_date: 10/25/2019
+    release_date: 12/27/2019
     vendor: GIGABYTE
-    version: F27
+    version: F28
   bmc_version: '1.95'
   chassis:
     manufacturer: GIGABYTE