diff --git a/packages/contracts-bedrock/deploy-config/devnetL1-template.json b/packages/contracts-bedrock/deploy-config/devnetL1-template.json
index 21901bc7ce178f3b46747fc601e573c6157ac94b..ae44e5c5f2dcc312a782a13bb2c438e9ab9f1d5b 100644
--- a/packages/contracts-bedrock/deploy-config/devnetL1-template.json
+++ b/packages/contracts-bedrock/deploy-config/devnetL1-template.json
@@ -45,7 +45,7 @@
   "l1GenesisBlockTimestamp": "0x64c811bf",
   "l2GenesisRegolithTimeOffset": "0x0",
   "l2GenesisDeltaTimeOffset": null,
-  "l2GenesisCanyonTimeOffset": "0x40",
+  "l2GenesisCanyonTimeOffset": "0x0",
   "faultGameAbsolutePrestate": "0x03c7ae758795765c6664a5d39bf63841c71ff191e9189522bad8ebff5d4eca98",
   "faultGameMaxDepth": 30,
   "faultGameMaxDuration": 1200,