diff --git a/params/protocol_params.go b/params/protocol_params.go
index 3d450ae559..60becaca72 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -151,14 +151,14 @@ const (
 	Bn256PairingPerPointGasByzantium uint64 = 80000  // Byzantium per-point price for an elliptic curve pairing check
 	Bn256PairingPerPointGasIstanbul  uint64 = 34000  // Per-point price for an elliptic curve pairing check
 
-	Bls12381G1AddGas          uint64 = 500   // Price for BLS12-381 elliptic curve G1 point addition
+	Bls12381G1AddGas          uint64 = 375   // Price for BLS12-381 elliptic curve G1 point addition
 	Bls12381G1MulGas          uint64 = 12000 // Price for BLS12-381 elliptic curve G1 point scalar multiplication
-	Bls12381G2AddGas          uint64 = 800   // Price for BLS12-381 elliptic curve G2 point addition
+	Bls12381G2AddGas          uint64 = 600   // Price for BLS12-381 elliptic curve G2 point addition
 	Bls12381G2MulGas          uint64 = 22500 // Price for BLS12-381 elliptic curve G2 point scalar multiplication
 	Bls12381PairingBaseGas    uint64 = 65000 // Base gas price for BLS12-381 elliptic curve pairing check
 	Bls12381PairingPerPairGas uint64 = 43000 // Per-point pair gas price for BLS12-381 elliptic curve pairing check
-	Bls12381MapG1Gas          uint64 = 5500  // Gas price for BLS12-381 mapping field element to G1 operation
-	Bls12381MapG2Gas          uint64 = 75000 // Gas price for BLS12-381 mapping field element to G2 operation
+	Bls12381MapG1Gas          uint64 = 4125  // Gas price for BLS12-381 mapping field element to G1 operation
+	Bls12381MapG2Gas          uint64 = 16866 // Gas price for BLS12-381 mapping field element to G2 operation
 
 	// The Refund Quotient is the cap on how much of the used gas can be refunded. Before EIP-3529,
 	// up to half the consumed gas could be refunded. Redefined as 1/5th in EIP-3529