diff --git a/op/mode/mainnet/genesis.json b/op/mode/mainnet/genesis.json
index 9ddc1b9e..aa8079da 100644
--- a/op/mode/mainnet/genesis.json
+++ b/op/mode/mainnet/genesis.json
@@ -27,6 +27,9 @@
     "isthmusTime": 1746806401,
     "jovianTime": 1764691201,
     "karstTime": 1783526401,
+    "cancunTime": 1710374401,
+    "pragueTime": 1746806401,
+    "osakaTime": 1783526401,
     "terminalTotalDifficulty": 0,
     "terminalTotalDifficultyPassed": true,
     "optimism": {