diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.json
index 316cf8978f248cf40885023062b9eb23f47de847..fc3e3f6674edaf12ccdf4ccdb9eb538221552324 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.json
@@ -293,7 +293,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x8301052",
+    "microcode": "0x830107a",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",
diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
index a4911a6d7e3a11400cf0883440163c89daac0fb8..2aec0ff75438c711469e6fe00cefe7137c3cc6b0 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
@@ -293,7 +293,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x8301052",
+    "microcode": "0x830107a",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",
diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
index 14561fcbb8d318402ec0d02dc2e7f603d14498b1..9114d80ca83650fe748f32d8abd8b4a85f6b424a 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
@@ -293,7 +293,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x8301052",
+    "microcode": "0x830107a",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",
diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
index 6736a6b73bec368308e8d6bcc209f8bb7640f67e..a99a1bd67f8a6f837a155192de45e5500c4bad8e 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
@@ -293,7 +293,7 @@
     "ht_capable": true,
     "instruction_set": "x86-64",
     "microarchitecture": "Zen 2",
-    "microcode": "0x8301052",
+    "microcode": "0x830107a",
     "model": "AMD EPYC",
     "other_description": "AMD EPYC 7352 24-Core Processor",
     "vendor": "AMD",
diff --git a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.yaml b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.yaml
index 1cafbfe17dd5e77841f7c78300f349cf8a45ae7e..3aaaa5633b74fcfd72138a2364068c3e740e4a53 100644
--- a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.yaml
+++ b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-1.yaml
@@ -149,7 +149,7 @@ gruss-1:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x8301052'
+    microcode: '0x830107a'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD
diff --git a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.yaml b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.yaml
index a8e1b0085b43a461c6fc61e61c5b595dc58af5f4..71103c4fe65386ae6447927553a3695601b22384 100644
--- a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.yaml
+++ b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.yaml
@@ -149,7 +149,7 @@ gruss-2:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x8301052'
+    microcode: '0x830107a'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD
diff --git a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.yaml b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.yaml
index 2244ff8adc5812785f71c7856446705fdcba15e2..752f03f88cce7e0ece9839c3bbe28ebbf0b3d999 100644
--- a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.yaml
+++ b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.yaml
@@ -149,7 +149,7 @@ gruss-3:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x8301052'
+    microcode: '0x830107a'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD
diff --git a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.yaml b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.yaml
index 43ccd8f81a652faffc8915a721b2c85ae4fb8fa6..6216d7dbb43c6f26c75a203be90b51164c0b50d7 100644
--- a/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.yaml
+++ b/input/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.yaml
@@ -149,7 +149,7 @@ gruss-4:
     cache_l3: 16777216
     ht_capable: true
     instruction_set: x86-64
-    microcode: '0x8301052'
+    microcode: '0x830107a'
     model: AMD EPYC
     other_description: AMD EPYC 7352 24-Core Processor
     vendor: AMD