diff --git a/metadata/config.yaml b/metadata/config.yaml
index 788b0ba..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)
@@ -107,15 +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
@@ -142,3 +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