diff --git a/superchain/configs/configs.json b/superchain/configs/configs.json
index e8d515904..a71917643 100644
--- a/superchain/configs/configs.json
+++ b/superchain/configs/configs.json
@@ -1258,6 +1258,7 @@
           "ecotone_time": 0,
           "fjord_time": 1723204838,
           "granite_time": 1723545055,
+          "holocene_time": 1732633200,
           "block_time": 2,
           "seq_window_size": 3600,
           "max_sequencer_drift": 600,
diff --git a/superchain/configs/sepolia/tbn.toml b/superchain/configs/sepolia/tbn.toml
index ebbdceca0..654c9e134 100644
--- a/superchain/configs/sepolia/tbn.toml
+++ b/superchain/configs/sepolia/tbn.toml
@@ -8,8 +8,9 @@ batch_inbox_addr = "0xFf00000000000000000000000000000000042069"
 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 = 1723204838  #Saturday June 8 2024 10:47:18 AM UTC
-granite_time = 1723545055 #Monday June 12 2024 1:57:35 PM UTC
+fjord_time = 1723204838  # Fri Aug 09 2024 12:00:38 UTC
+granite_time = 1723545055 # Tue Aug 13 2024 10:30:55 UTC
+superchain_time = 1732633200 # Holocene - Tue Nov 26 15:00:00 UTC 2024
 block_time = 2
 seq_window_size = 3600
 max_sequencer_drift = 600