diff --git a/cmd/conf/chain.go b/cmd/conf/chain.go
index 8ad853e7aa..ab9a713287 100644
--- a/cmd/conf/chain.go
+++ b/cmd/conf/chain.go
@@ -20,13 +20,12 @@ type ParentChainConfig struct {
 }
 
 var L1ConnectionConfigDefault = rpcclient.ClientConfig{
-	URL:            "",
-	Retries:        2,
-	Timeout:        time.Minute,
-	ConnectionWait: time.Minute,
-	ArgLogLimit:    2048,
-	// Use geth's unexported wsDefaultReadLimit from rpc/websocket.go
-	WebsocketMessageSizeLimit: 32 * 1024 * 1024,
+	URL:                       "",
+	Retries:                   2,
+	Timeout:                   time.Minute,
+	ConnectionWait:            time.Minute,
+	ArgLogLimit:               2048,
+	WebsocketMessageSizeLimit: 256 * 1024 * 1024,
 }
 
 var L1ConfigDefault = ParentChainConfig{
diff --git a/util/rpcclient/rpcclient.go b/util/rpcclient/rpcclient.go
index cc6f11c986..56aebef396 100644
--- a/util/rpcclient/rpcclient.go
+++ b/util/rpcclient/rpcclient.go
@@ -49,17 +49,16 @@ type ClientConfigFetcher func() *ClientConfig
 var TestClientConfig = ClientConfig{
 	URL:                       "self",
 	JWTSecret:                 "",
-	WebsocketMessageSizeLimit: 32 * 1024 * 1024,
+	WebsocketMessageSizeLimit: 256 * 1024 * 1024,
 }
 
 var DefaultClientConfig = ClientConfig{
-	URL:         "self-auth",
-	JWTSecret:   "",
-	Retries:     3,
-	RetryErrors: "websocket: close.*|dial tcp .*|.*i/o timeout|.*connection reset by peer|.*connection refused",
-	ArgLogLimit: 2048,
-	// Use geth's unexported wsDefaultReadLimit from rpc/websocket.go
-	WebsocketMessageSizeLimit: 32 * 1024 * 1024,
+	URL:                       "self-auth",
+	JWTSecret:                 "",
+	Retries:                   3,
+	RetryErrors:               "websocket: close.*|dial tcp .*|.*i/o timeout|.*connection reset by peer|.*connection refused",
+	ArgLogLimit:               2048,
+	WebsocketMessageSizeLimit: 256 * 1024 * 1024,
 }
 
 func RPCClientAddOptions(prefix string, f *flag.FlagSet, defaultConfig *ClientConfig) {