diff --git a/core/superchain.go b/core/superchain.go
index b5d6d12474..19b930be16 100644
--- a/core/superchain.go
+++ b/core/superchain.go
@@ -46,7 +46,7 @@ func LoadOPStackGenesis(chainID uint64) (*Genesis, error) {
 
 	// Most genesis.Config properties are loaded via OPStackChainConfig
 	// But the optimism parameters are loaded from the genesis
-	genesis.Config.Optimism = gen.Config.Optimism
+	genesis.Config.Optimism = (*params.OptimismConfig)(gen.Config.Optimism)
 
 	for addr, acc := range gen.Alloc {
 		var code []byte
diff --git a/go.mod b/go.mod
index cd71d9a9ac..2669707f45 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,7 @@ require (
 	github.com/deckarep/golang-set/v2 v2.6.0
 	github.com/donovanhide/eventsource v0.0.0-20210830082556-c59027999da0
 	github.com/dop251/goja v0.0.0-20230806174421-c933cf95e127
-	github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826195859-331a326ea0c5
+	github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826202748-e91d8c1ce8cf
 	github.com/ethereum/c-kzg-4844 v1.0.0
 	github.com/ethereum/go-verkle v0.1.1-0.20240306133620-7d920df305f0
 	github.com/fatih/color v1.16.0
diff --git a/go.sum b/go.sum
index 1f616bfc02..361d5ab042 100644
--- a/go.sum
+++ b/go.sum
@@ -171,8 +171,8 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826195859-331a326ea0c5 h1:0nKJxS/Q2Mnalck0LQkwI6YsdmiBJ9sv5YhvSag1/nE=
-github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826195859-331a326ea0c5/go.mod h1:XaVXL9jg8BcyOeugECgIUGa9Y3DjYJj71RHmb5qon6M=
+github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826202748-e91d8c1ce8cf h1:R7kfFFuvntSzrwx/Jf3IxhOybz9yet5Zf5vcodXjhTU=
+github.com/ethereum-optimism/superchain-registry/superchain v0.0.0-20240826202748-e91d8c1ce8cf/go.mod h1:XaVXL9jg8BcyOeugECgIUGa9Y3DjYJj71RHmb5qon6M=
 github.com/ethereum/c-kzg-4844 v1.0.0 h1:0X1LBXxaEtYD9xsyj9B9ctQEZIpnvVDeoBx8aHEwTNA=
 github.com/ethereum/c-kzg-4844 v1.0.0/go.mod h1:VewdlzQmpT5QSrVhbBuGoCdFJkpaJlO1aQputP83wc0=
 github.com/ethereum/go-verkle v0.1.1-0.20240306133620-7d920df305f0 h1:KrE8I4reeVvf7C1tm8elRjj4BdscTYzz/WAbYyf/JI4=