diff --git a/metadata/besu.json b/metadata/besu.json
index ab35a5a..629968f 100644
--- a/metadata/besu.json
+++ b/metadata/besu.json
@@ -16,7 +16,20 @@
     "terminalTotalDifficulty": 58750000000000000000000,
     "shanghaiTime": 1681338455,
     "cancunTime": 1710338135,
-    "ethash": {
+    "pragueTime": 1746612311,
+    "ethash": {},
+    "depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
+    "blobSchedule": {
+      "cancun": {
+        "target": 3,
+        "max": 6,
+        "baseFeeUpdateFraction": 3338477
+      },
+      "prague": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      }
     },
     "discovery": {
       "dns": "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@all.mainnet.ethdisco.net",
diff --git a/metadata/chainspec.json b/metadata/chainspec.json
index 0f11309..76070b4 100644
--- a/metadata/chainspec.json
+++ b/metadata/chainspec.json
@@ -190,7 +190,27 @@
     "eip4844TransitionTimestamp": "0x65F1B057",
     "eip5656TransitionTimestamp": "0x65F1B057",
     "eip6780TransitionTimestamp": "0x65F1B057",
-    "terminalTotalDifficulty": "C70D808A128D7380000"
+    "eip2537TransitionTimestamp": "0x681B3057",
+    "eip2935TransitionTimestamp": "0x681B3057",
+    "eip6110TransitionTimestamp": "0x681B3057",
+    "eip7002TransitionTimestamp": "0x681B3057",
+    "eip7251TransitionTimestamp": "0x681B3057",
+    "eip7623TransitionTimestamp": "0x681B3057",
+    "eip7702TransitionTimestamp": "0x681B3057",
+    "depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
+    "terminalTotalDifficulty": "C70D808A128D7380000",
+    "blobSchedule": {
+      "cancun": {
+        "target": 3,
+        "max": 6,
+        "baseFeeUpdateFraction": 3338477
+      },
+      "prague": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      }
+    }
   },
   "genesis": {
     "seal": {
diff --git a/metadata/config.yaml b/metadata/config.yaml
index 6b769d8..e4189bd 100644
--- a/metadata/config.yaml
+++ b/metadata/config.yaml
@@ -6,7 +6,9 @@ PRESET_BASE: 'mainnet'
 # Free-form short name of the network that this configuration applies to - known
 # canonical network names include:
 # * 'mainnet' - there can be only one
-# * 'prater' - testnet
+# * 'sepolia' - testnet
+# * 'holesky' - testnet
+# * 'hoodi' - testnet
 # Must match the regex: [a-z0-9\-]
 CONFIG_NAME: 'mainnet'
 
@@ -19,7 +21,6 @@ TERMINAL_BLOCK_HASH: 0x000000000000000000000000000000000000000000000000000000000
 TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
 
 
-
 # Genesis
 # ---------------------------------------------------------------
 # `2**14` (= 16,384)
@@ -50,6 +51,9 @@ CAPELLA_FORK_EPOCH: 194048  # April 12, 2023, 10:27:35pm UTC
 # Deneb
 DENEB_FORK_VERSION: 0x04000000
 DENEB_FORK_EPOCH: 269568  # March 13, 2024, 01:55:35pm UTC
+# Electra
+ELECTRA_FORK_VERSION: 0x05000000
+ELECTRA_FORK_EPOCH: 364032  # May 7, 2025, 10:05:11am UTC
 
 
 # Time parameters
@@ -104,15 +108,13 @@ DEPOSIT_CONTRACT_ADDRESS: 0x00000000219ab540356cBB839Cbe05303d7705Fa
 # Networking
 # ---------------------------------------------------------------
 # `10 * 2**20` (= 10485760, 10 MiB)
-GOSSIP_MAX_SIZE: 10485760
+MAX_PAYLOAD_SIZE: 10485760
 # `2**10` (= 1024)
 MAX_REQUEST_BLOCKS: 1024
 # `2**8` (= 256)
 EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
 # `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 33024, ~5 months)
 MIN_EPOCHS_FOR_BLOCK_REQUESTS: 33024
-# `10 * 2**20` (=10485760, 10 MiB)
-MAX_CHUNK_SIZE: 10485760
 # 5s
 TTFB_TIMEOUT: 5
 # 10s
@@ -139,3 +141,15 @@ MAX_REQUEST_BLOB_SIDECARS: 768
 MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
 # `6`
 BLOB_SIDECAR_SUBNET_COUNT: 6
+
+# Electra
+# 2**7 * 10**9 (= 128,000,000,000)
+MIN_PER_EPOCH_CHURN_LIMIT_ELECTRA: 128000000000
+# 2**8 * 10**9 (= 256,000,000,000)
+MAX_PER_EPOCH_ACTIVATION_EXIT_CHURN_LIMIT: 256000000000
+# `9`
+BLOB_SIDECAR_SUBNET_COUNT_ELECTRA: 9
+# `uint64(9)`
+MAX_BLOBS_PER_BLOCK_ELECTRA: 9
+# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK_ELECTRA
+MAX_REQUEST_BLOB_SIDECARS_ELECTRA: 1152
diff --git a/metadata/genesis.json b/metadata/genesis.json
index e53f978..2c2d06e 100644
--- a/metadata/genesis.json
+++ b/metadata/genesis.json
@@ -21,8 +21,21 @@
     "terminalTotalDifficultyPassed": true,
     "shanghaiTime": 1681338455,
     "cancunTime": 1710338135,
+    "pragueTime": 1746612311,
     "ethash": {},
-    "depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa"
+    "depositContractAddress": "0x00000000219ab540356cBB839Cbe05303d7705Fa",
+    "blobSchedule": {
+      "cancun": {
+        "target": 3,
+        "max": 6,
+        "baseFeeUpdateFraction": 3338477
+      },
+      "prague": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      }
+    }
   },
   "nonce": "0x42",
   "timestamp": "0x0",