diff --git a/op/superseed/mainnet/genesis.json b/op/superseed/mainnet/genesis.json
index 303c9363..e5ab4a41 100644
--- a/op/superseed/mainnet/genesis.json
+++ b/op/superseed/mainnet/genesis.json
@@ -22,6 +22,9 @@
     "canyonTime": 0,
     "ecotoneTime": 0,
     "fjordTime": 0,
+    "graniteTime": 1726185601,
+    "holoceneTime": 1736445601,
+    "isthmusTime": 1746806401,
     "terminalTotalDifficulty": 0,
     "terminalTotalDifficultyPassed": true,
     "optimism": {