diff --git a/op/fraxtal/mainnet/genesis.json b/op/fraxtal/mainnet/genesis.json
index cb476525..6186abf2 100644
--- a/op/fraxtal/mainnet/genesis.json
+++ b/op/fraxtal/mainnet/genesis.json
@@ -19,6 +19,7 @@
     "bedrockBlock": 0,
     "regolithTime": 0,
     "canyonTime": 0,
+    "cancunTime": 1717009201,
     "ecotoneTime": 1717009201,
     "terminalTotalDifficulty": 0,
     "terminalTotalDifficultyPassed": true,