diff --git a/params/computation_cost_params.go b/params/computation_cost_params.go
index dc95a442d..4a352cd06 100644
--- a/params/computation_cost_params.go
+++ b/params/computation_cost_params.go
@@ -203,14 +203,14 @@ const (
 	Log3ComputationCostCancun   = 500
 	Log4ComputationCostCancun   = 500
 
-	Bls12381G1AddComputationCost          = 25000
+	Bls12381G1AddComputationCost          = 18750
 	Bls12381G1MulComputationCost          = 600000
-	Bls12381G2AddComputationCost          = 40000
-	Bls12381G2MulComputationCost          = 2250000
-	Bls12381PairingBaseComputationCost    = 3250000
-	Bls12381PairingPerPairComputationCost = 2150000
+	Bls12381G2AddComputationCost          = 30000
+	Bls12381G2MulComputationCost          = 1125000
+	Bls12381PairingBaseComputationCost    = 1885000
+	Bls12381PairingPerPairComputationCost = 1630000
 	Bls12381MapG1ComputationCost          = 275000
-	Bls12381MapG2ComputationCost          = 3750000
+	Bls12381MapG2ComputationCost          = 1190000
 
 	OpcodeComputationCostLimit         = 100000000      // 100ms
 	OpcodeComputationCostLimitCancun   = 150000000      // 150ms