diff --git a/common/constants.go b/common/constants.go
index 803443a7814c..b85cd5de2749 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -46,10 +46,10 @@ var TIPXDCXLending = big.NewInt(38383838)
 var TIPXDCXCancellationFee = big.NewInt(38383838)
 var TIPXDCXCancellationFeeTestnet = big.NewInt(38383838)
 var TIPXDCXDISABLE = big.NewInt(99999999900)
-var BerlinBlock = big.NewInt(9999999999)
-var LondonBlock = big.NewInt(9999999999)
-var MergeBlock = big.NewInt(9999999999)
-var ShanghaiBlock = big.NewInt(9999999999)
+var BerlinBlock = big.NewInt(76321000)   // Target 19th June 2024
+var LondonBlock = big.NewInt(76321000)   // Target 19th June 2024
+var MergeBlock = big.NewInt(76321000)    // Target 19th June 2024
+var ShanghaiBlock = big.NewInt(76321000) // Target 19th June 2024
 
 var TIPXDCXTestnet = big.NewInt(38383838)
 var IsTestnet bool = false