diff --git a/builder/files/genesis-mainnet-v1.json b/builder/files/genesis-mainnet-v1.json
index d3f0d02206..ca443529dc 100644
--- a/builder/files/genesis-mainnet-v1.json
+++ b/builder/files/genesis-mainnet-v1.json
@@ -15,14 +15,17 @@
     "londonBlock": 23850000,
     "bor": {
       "jaipurBlock": 23850000,
+      "delhiBlock": 38174376,
       "period": {
         "0": 2
       },
       "producerDelay": {
-        "0": 6
+        "0": 6,
+        "38174376": 4
       },
       "sprint": {
-        "0": 64
+        "0": 64,
+        "38174376": 16
       },
       "backupMultiplier": {
         "0": 2
diff --git a/internal/cli/server/chains/mainnet.go b/internal/cli/server/chains/mainnet.go
index 7aee9cd606..b52883c0b3 100644
--- a/internal/cli/server/chains/mainnet.go
+++ b/internal/cli/server/chains/mainnet.go
@@ -30,14 +30,17 @@ var mainnetBor = &Chain{
 			LondonBlock:         big.NewInt(23850000),
 			Bor: &params.BorConfig{
 				JaipurBlock: big.NewInt(23850000),
+				DelhiBlock:  big.NewInt(38174376),
 				Period: map[string]uint64{
 					"0": 2,
 				},
 				ProducerDelay: map[string]uint64{
-					"0": 6,
+					"0":        6,
+					"38174376": 4,
 				},
 				Sprint: map[string]uint64{
-					"0": 64,
+					"0":        64,
+					"38174376": 16,
 				},
 				BackupMultiplier: map[string]uint64{
 					"0": 2,
diff --git a/params/config.go b/params/config.go
index d97d6957fa..c645b2dc76 100644
--- a/params/config.go
+++ b/params/config.go
@@ -404,14 +404,17 @@ var (
 		LondonBlock:         big.NewInt(23850000),
 		Bor: &BorConfig{
 			JaipurBlock: big.NewInt(23850000),
+			DelhiBlock:  big.NewInt(38174376),
 			Period: map[string]uint64{
 				"0": 2,
 			},
 			ProducerDelay: map[string]uint64{
-				"0": 6,
+				"0":        6,
+				"38174376": 4,
 			},
 			Sprint: map[string]uint64{
-				"0": 64,
+				"0":        64,
+				"38174376": 16,
 			},
 			BackupMultiplier: map[string]uint64{
 				"0": 2,