diff --git a/superchain/configs/configs.json b/superchain/configs/configs.json
index 6e2169ef8..5e2969848 100644
--- a/superchain/configs/configs.json
+++ b/superchain/configs/configs.json
@@ -1617,7 +1617,7 @@
           "SuperchainLevel": 0,
           "GovernedByOptimism": false,
           "StandardChainCandidate": true,
-          "SuperchainTime": null,
+          "SuperchainTime": 1734685200,
           "batch_inbox_address": "0x00Ca81E019a5312d404aE7fe8367D30DE4c11365",
           "Superchain": "sepolia",
           "Chain": "minato",
@@ -1626,6 +1626,7 @@
           "ecotone_time": 0,
           "fjord_time": 1730106000,
           "granite_time": 1730106000,
+          "holocene_time": 1734685200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 1800,
diff --git a/superchain/configs/sepolia/minato.toml b/superchain/configs/sepolia/minato.toml
index 625c91279..b8bef4de6 100644
--- a/superchain/configs/sepolia/minato.toml
+++ b/superchain/configs/sepolia/minato.toml
@@ -6,12 +6,14 @@ explorer = "https://soneium-minato.blockscout.com/"
 superchain_level = 0
 governed_by_optimism = false
 standard_chain_candidate = true # This is a temporary field which causes most of the standard validation checks to run on this chain
+superchain_time = 1734685200 # Fri Dec 20 2024 9:00:00 UTC
 batch_inbox_addr = "0x00Ca81E019a5312d404aE7fe8367D30DE4c11365"
 canyon_time = 0 # Thu 1 Jan 1970 00:00:00 UTC
 delta_time = 0 # Thu 1 Jan 1970 00:00:00 UTC
 ecotone_time = 0 # Thu 1 Jan 1970 00:00:00 UTC
 fjord_time = 1730106000 # Mon 28 Oct 2024 9:00:00 UTC
 granite_time = 1730106000 # Mon 28 Oct 2024 9:00:00 UTC
+holocene_time = 1734685200 # Fri Dec 20 2024 9:00:00 UTC
 block_time = 2
 seq_window_size = 3600
 max_sequencer_drift = 1800