diff --git a/devtools/chain/config.toml b/devtools/chain/config.toml
index 1b34f28f6..4c9b81ffb 100644
--- a/devtools/chain/config.toml
+++ b/devtools/chain/config.toml
@@ -12,8 +12,7 @@ data_path = "./devtools/chain/data"
 http_listening_address = "0.0.0.0:8000"
 ws_listening_address = "0.0.0.0:8010"
 maxconn = 25000
-max_payload_size = 10485760
-client_version = "0.1.0"
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/k8s/node_1.toml b/devtools/chain/k8s/node_1.toml
index 661273a30..1446ef91c 100644
--- a/devtools/chain/k8s/node_1.toml
+++ b/devtools/chain/k8s/node_1.toml
@@ -9,8 +9,7 @@ data_path = "./devtools/chain/data1"
 http_listening_address = "0.0.0.0:8000"
 ws_listening_address = "0.0.0.0:8010"
 maxconn = 25000
-max_payload_size = 10485760
-client_version = "0.1.0"
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/k8s/node_2.toml b/devtools/chain/k8s/node_2.toml
index 0057fa332..1ddeab04d 100644
--- a/devtools/chain/k8s/node_2.toml
+++ b/devtools/chain/k8s/node_2.toml
@@ -9,8 +9,7 @@ data_path = "./devtools/chain/data2"
 http_listening_address = "0.0.0.0:8000"
 ws_listening_address = "0.0.0.0:8010"
 maxconn = 25000
-max_payload_size = 10485760
-client_version = "0.1.0"
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/k8s/node_3.toml b/devtools/chain/k8s/node_3.toml
index bcb547ee5..200b5279b 100644
--- a/devtools/chain/k8s/node_3.toml
+++ b/devtools/chain/k8s/node_3.toml
@@ -9,8 +9,7 @@ data_path = "./devtools/chain/data3"
 http_listening_address = "0.0.0.0:8000"
 ws_listening_address = "0.0.0.0:8010"
 maxconn = 25000
-max_payload_size = 10485760
-client_version = "0.1.0"
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/k8s/node_4.toml b/devtools/chain/k8s/node_4.toml
index 029a304d4..3acaf3e71 100644
--- a/devtools/chain/k8s/node_4.toml
+++ b/devtools/chain/k8s/node_4.toml
@@ -9,8 +9,7 @@ data_path = "./devtools/chain/data4"
 http_listening_address = "0.0.0.0:8000"
 ws_listening_address = "0.0.0.0:8010"
 maxconn = 25000
-max_payload_size = 10485760
-client_version = "0.1.0"
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/nodes/node_1.toml b/devtools/chain/nodes/node_1.toml
index be9ba082b..a7f464df0 100644
--- a/devtools/chain/nodes/node_1.toml
+++ b/devtools/chain/nodes/node_1.toml
@@ -9,7 +9,7 @@ data_path = "./devtools/chain/data/node_1"
 http_listening_address = "127.0.0.1:8001"
 ws_listening_address = "127.0.0.1:8011"
 maxconn = 25000
-max_payload_size = 1048576
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/nodes/node_2.toml b/devtools/chain/nodes/node_2.toml
index 5a8d89475..0fc037a15 100644
--- a/devtools/chain/nodes/node_2.toml
+++ b/devtools/chain/nodes/node_2.toml
@@ -9,7 +9,7 @@ data_path = "./devtools/chain/data/node_2"
 http_listening_address = "127.0.0.1:8002"
 ws_listening_address = "127.0.0.1:8012"
 maxconn = 25000
-max_payload_size = 1048576
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/nodes/node_3.toml b/devtools/chain/nodes/node_3.toml
index 96e520711..d151f78eb 100644
--- a/devtools/chain/nodes/node_3.toml
+++ b/devtools/chain/nodes/node_3.toml
@@ -9,7 +9,7 @@ data_path = "./devtools/chain/data/node_3"
 http_listening_address = "127.0.0.1:8003"
 ws_listening_address = "127.0.0.1:8013"
 maxconn = 25000
-max_payload_size = 1048576
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000
diff --git a/devtools/chain/nodes/node_4.toml b/devtools/chain/nodes/node_4.toml
index 46cdeb74f..0475ab74f 100644
--- a/devtools/chain/nodes/node_4.toml
+++ b/devtools/chain/nodes/node_4.toml
@@ -9,7 +9,7 @@ data_path = "./devtools/chain/data/node_4"
 http_listening_address = "127.0.0.1:8004"
 ws_listening_address = "127.0.0.1:8014"
 maxconn = 25000
-max_payload_size = 1048576
+max_payload_size = 10_485_760
 
 [web3]
 max_gas_cap = 50_000_000