diff --git a/op-signer/app.go b/op-signer/app.go
index cfdc359a..f1d79f44 100644
--- a/op-signer/app.go
+++ b/op-signer/app.go
@@ -131,20 +131,25 @@ func (s *SignerApp) initRPC(cfg *Config) error {
 		ClientCAs:      caCertPool,
 		ClientAuth:     tls.VerifyClientCertIfGiven, // necessary for k8s healthz probes, but we check the cert in service/auth.go
 	}
-	serverTlsConfig := &oprpc.ServerTLSConfig{
+	serverTlsConfig := &httputil.ServerTLSConfig{
 		Config:    tlsConfig,
 		CLIConfig: &cfg.TLSConfig,
 	}
 
 	rpcCfg := cfg.RPCConfig
-	s.rpc = oprpc.NewServer(
-		rpcCfg.ListenAddr,
-		rpcCfg.ListenPort,
-		s.version,
-		oprpc.WithLogger(s.log),
-		oprpc.WithTLSConfig(serverTlsConfig),
-		oprpc.WithMiddleware(service.NewAuthMiddleware()),
-		oprpc.WithHTTPRecorder(opmetrics.NewPromHTTPRecorder(s.registry, "signer")),
+	s.rpc = oprpc.ServerFromConfig(
+		&oprpc.ServerConfig{
+			Host: rpcCfg.ListenAddr,
+			Port: rpcCfg.ListenPort,
+			RpcOptions: []oprpc.Option{
+				oprpc.WithMiddleware(service.NewAuthMiddleware()),
+				oprpc.WithHTTPRecorder(opmetrics.NewPromHTTPRecorder(s.registry, "signer")),
+				oprpc.WithLogger(s.log),
+			},
+			HttpOptions: []httputil.Option{
+				httputil.WithServerTLS(serverTlsConfig),
+			},
+		},
 	)
 
 	serviceCfg, err := service.ReadConfig(cfg.ServiceConfigPath)
diff --git a/op-signer/go.mod b/op-signer/go.mod
index 699c7d6d..283a3e08 100644
--- a/op-signer/go.mod
+++ b/op-signer/go.mod
@@ -4,8 +4,8 @@ go 1.22.0
 
 require (
 	cloud.google.com/go/kms v1.12.1
-	github.com/ethereum-optimism/optimism v1.11.2-0.20250221171021-7ceadae45635
-	github.com/ethereum/go-ethereum v1.15.1
+	github.com/ethereum-optimism/optimism v1.11.3-0.20250227141522-48b645a69aa4
+	github.com/ethereum/go-ethereum v1.15.3
 	github.com/golang/mock v1.6.0
 	github.com/googleapis/gax-go v1.0.3
 	github.com/googleapis/gax-go/v2 v2.11.0
@@ -118,6 +118,6 @@ require (
 	rsc.io/tmplfunc v0.0.3 // indirect
 )
 
-replace github.com/ethereum/go-ethereum => github.com/ethereum-optimism/op-geth v1.101500.0-rc.3
+replace github.com/ethereum/go-ethereum => github.com/ethereum-optimism/op-geth v1.101500.2-rc.1
 
 //replace github.com/ethereum-optimism/optimism => ../../optimism
diff --git a/op-signer/go.sum b/op-signer/go.sum
index 3a6a572f..322c0e61 100644
--- a/op-signer/go.sum
+++ b/op-signer/go.sum
@@ -79,10 +79,10 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethereum-optimism/op-geth v1.101500.0-rc.3 h1:mtrsbMlLvAAsBbMn5YVq0Lt/OZhUM38oqXG770emxL4=
-github.com/ethereum-optimism/op-geth v1.101500.0-rc.3/go.mod h1:OMpyVMMy5zpAAHlR5s/aGbXRk+7cIKczUEIJj54APbY=
-github.com/ethereum-optimism/optimism v1.11.2-0.20250221171021-7ceadae45635 h1:0Pt1vvptBBIzvjenY3GeLD1ZXpNBaOm4bjNtR2njkVM=
-github.com/ethereum-optimism/optimism v1.11.2-0.20250221171021-7ceadae45635/go.mod h1:2DzlZHYfBt0781Qfx9fMP9d64W6Pn3Sa8D9pRw5+WLw=
+github.com/ethereum-optimism/op-geth v1.101500.2-rc.1 h1:CCQtyKKobjMbK9jYd676YbH6Xcvntdn6jIOxFTCb5B8=
+github.com/ethereum-optimism/op-geth v1.101500.2-rc.1/go.mod h1:OMpyVMMy5zpAAHlR5s/aGbXRk+7cIKczUEIJj54APbY=
+github.com/ethereum-optimism/optimism v1.11.3-0.20250227141522-48b645a69aa4 h1:5yNGINxEMKNcw+jWd6ydv+UGBGEuSAARb+1YCpvAJuo=
+github.com/ethereum-optimism/optimism v1.11.3-0.20250227141522-48b645a69aa4/go.mod h1:tjdwXgEUi2UsbwYMjBxJBVuxXgYsCCmkX9mk9Aa6TfA=
 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 v0.2.2 h1:I2W0WjnrFUIzzVPwm8ykY+7pL2d4VhlsePn4j7cnFk8=
diff --git a/op-signer/service/service.go b/op-signer/service/service.go
index ae754105..c023585a 100644
--- a/op-signer/service/service.go
+++ b/op-signer/service/service.go
@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/holiman/uint256"
 	"github.com/prometheus/client_golang/prometheus"
 
 	"github.com/ethereum-optimism/infra/op-signer/service/provider"
@@ -91,7 +92,7 @@ func (s *EthService) SignTransaction(ctx context.Context, args signer.Transactio
 	if len(authConfig.ToAddresses) > 0 && !containsNormalized(authConfig.ToAddresses, args.To.Hex()) {
 		return nil, &UnauthorizedTransactionError{"to address not authorized"}
 	}
-	if len(authConfig.MaxValue) > 0 && args.Value.ToInt().Cmp(authConfig.MaxValueToInt()) > 0 {
+	if len(authConfig.MaxValue) > 0 && ((*uint256.Int)(args.Value)).ToBig().Cmp(authConfig.MaxValueToInt()) > 0 {
 		return nil, &UnauthorizedTransactionError{"value exceeds maximum"}
 	}