diff --git a/go-ethereum b/go-ethereum
index 78b17f183..31e742a5d 160000
--- a/go-ethereum
+++ b/go-ethereum
@@ -1 +1 @@
-Subproject commit 78b17f183b84e4a5718376b47eb5c1165fcddf08
+Subproject commit 31e742a5deaabde52beb8518a345f1dff01424b2
diff --git a/ops/l2-genesis/deploy-config/devnet-deploy-config.json b/ops/l2-genesis/deploy-config/devnet-deploy-config.json
index 0b3b411c8..46923a4b4 100644
--- a/ops/l2-genesis/deploy-config/devnet-deploy-config.json
+++ b/ops/l2-genesis/deploy-config/devnet-deploy-config.json
@@ -27,6 +27,7 @@
   "morphTokenDailyInflationRate": 1,
   "morph203Time": 0,
   "viridianTime": 0,
+  "emeraldTime": 0,
   "l2StakingSequencerMaxSize": 4,
   "l2StakingUnDelegatedLockEpochs": 2,
   "l2StakingRewardStartTime": 1728000000,
diff --git a/ops/l2-genesis/deploy-config/qanet-deploy-config.json b/ops/l2-genesis/deploy-config/qanet-deploy-config.json
index 5c7adb096..530a442b7 100644
--- a/ops/l2-genesis/deploy-config/qanet-deploy-config.json
+++ b/ops/l2-genesis/deploy-config/qanet-deploy-config.json
@@ -25,6 +25,7 @@
   "recordNextBatchSubmissionIndex": 1,
   "morph203Time": 0,
   "viridianTime": 0,
+  "emeraldTime": 0,
   "morphTokenName": "Morph Token",
   "morphTokenSymbol": "Morph",
   "morphTokenOwner": "0x716173f5BBE0b4B51AaDF5A5840fA9A79D01636E",
diff --git a/ops/l2-genesis/morph-chain-ops/genesis/config.go b/ops/l2-genesis/morph-chain-ops/genesis/config.go
index 17d371a86..b76a24d33 100644
--- a/ops/l2-genesis/morph-chain-ops/genesis/config.go
+++ b/ops/l2-genesis/morph-chain-ops/genesis/config.go
@@ -129,6 +129,7 @@ type DeployConfig struct {
 	// Upgrade configs
 	Morph203Time *uint64 `json:"morph203Time,omitempty"`
 	ViridianTime *uint64 `json:"viridianTime,omitempty"`
+	EmeraldTime  *uint64 `json:"viridianTime,omitempty"`
 }
 
 // GetDeployedAddresses will get the deployed addresses of deployed L1 contracts
diff --git a/ops/l2-genesis/morph-chain-ops/genesis/genesis.go b/ops/l2-genesis/morph-chain-ops/genesis/genesis.go
index 7dd10ae82..7aae9cd7d 100644
--- a/ops/l2-genesis/morph-chain-ops/genesis/genesis.go
+++ b/ops/l2-genesis/morph-chain-ops/genesis/genesis.go
@@ -45,6 +45,11 @@ func NewL2Genesis(config *DeployConfig, block *types.Block) (*core.Genesis, erro
 		viridianTime = config.ViridianTime
 	}
 
+	var emeraldTime *uint64
+	if config.EmeraldTime != nil {
+		emeraldTime = config.EmeraldTime
+	}
+
 	morphChainConfig := params.ChainConfig{
 		ChainID:                 new(big.Int).SetUint64(config.L2ChainID),
 		HomesteadBlock:          big.NewInt(0),
@@ -67,6 +72,7 @@ func NewL2Genesis(config *DeployConfig, block *types.Block) (*core.Genesis, erro
 		CurieBlock:              big.NewInt(0),
 		Morph203Time:            morph203Time,
 		ViridianTime:            viridianTime,
+		EmeraldTime:             emeraldTime,
 		TerminalTotalDifficulty: big.NewInt(0),
 		Morph: params.MorphConfig{
 			UseZktrie:                 true,