diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09c13a42b..c79d8b98e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 * (IRISHub) [\#2908](https://github.com/irisnet/irishub/pull/2908) Add ICA module.
 * (IRISHub) [\#2909](https://github.com/irisnet/irishub/pull/2909) Add Cosmos LSM module.
 * (IRISHub) [\#2925](https://github.com/irisnet/irishub/pull/2925) Enhance token module.
+* (IRISHub) [\#2938](https://github.com/irisnet/irishub/pull/2938) Reduce `MinGasPrice` of EVM to 50Gwei.
 
 ### Improvements
 
diff --git a/app/upgrades/v300/constants.go b/app/upgrades/v300/constants.go
index a7d4e2ed4..7aaed878b 100644
--- a/app/upgrades/v300/constants.go
+++ b/app/upgrades/v300/constants.go
@@ -22,5 +22,8 @@ var (
 	// MinDepositRatio is the minimum deposit ratio
 	MinDepositRatio = sdk.MustNewDecFromStr("0.01")
 
+	// EvmMinGasPrice is the minimum gas price for the EVM
+	EvmMinGasPrice = sdk.NewDec(50000000000)
+
 	allowMessages = []string{"*"}
 )
diff --git a/app/upgrades/v300/upgrades.go b/app/upgrades/v300/upgrades.go
index e22578cdd..25fc4af89 100644
--- a/app/upgrades/v300/upgrades.go
+++ b/app/upgrades/v300/upgrades.go
@@ -34,6 +34,10 @@ func upgradeHandlerConstructor(
 			return nil, err
 		}
 		
+		if err := mergeFeeMarket(ctx, box); err != nil {
+			return nil, err
+		}
+		
 		if err := mergeToken(ctx, box); err != nil {
 			return nil, err
 		}
@@ -80,6 +84,14 @@ func mergeEVM(ctx sdk.Context, box upgrades.Toolbox) error {
 	return box.EvmKeeper.SetParams(ctx, params)
 }
 
+func mergeFeeMarket(ctx sdk.Context, box upgrades.Toolbox) error {
+	ctx.Logger().Info("start to run feeMarket module migrations...")
+
+	params := box.FeeMarketKeeper.GetParams(ctx)
+	params.MinGasPrice = EvmMinGasPrice
+	return box.FeeMarketKeeper.SetParams(ctx, params)
+}
+
 func mergeToken(ctx sdk.Context, box upgrades.Toolbox) error {
 	ctx.Logger().Info("start to run token module migrations...")
 
diff --git a/go.mod b/go.mod
index b812d16d1..6a60c3ecc 100644
--- a/go.mod
+++ b/go.mod
@@ -12,7 +12,7 @@ require (
 	github.com/cosmos/iavl v0.20.1 // indirect
 	github.com/cosmos/ibc-go/v7 v7.3.0
 	github.com/evmos/ethermint v0.22.0
-	github.com/irisnet/irismod v1.8.1-0.20240511065647-ae196cb4e4ac //release/v1.8.0-lsm
+	github.com/irisnet/irismod v1.9.0
 )
 
 require (
@@ -232,6 +232,6 @@ require (
 replace github.com/zondax/hid => github.com/zondax/hid v0.9.0
 
 // use bianjieai fork of ethermint
-replace github.com/evmos/ethermint => github.com/bianjieai/ethermint v0.22.0-irishub-20231207.0.20240419023144-3cea3d782107 //release/v0.2…20231207-lsm
+replace github.com/evmos/ethermint => github.com/bianjieai/ethermint v0.22.0-irishub-20240512
 
 replace github.com/syndtr/goleveldb => github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
diff --git a/go.sum b/go.sum
index 63d5139bb..4d092d2b1 100644
--- a/go.sum
+++ b/go.sum
@@ -295,8 +295,8 @@ github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bgentry/speakeasy v0.1.1-0.20220910012023-760eaf8b6816 h1:41iFGWnSlI2gVpmOtVTJZNodLdLQLn/KsJqFvXwnd/s=
 github.com/bgentry/speakeasy v0.1.1-0.20220910012023-760eaf8b6816/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/bianjieai/ethermint v0.22.0-irishub-20231207.0.20240419023144-3cea3d782107 h1:ssrDDPlhLILV0UaQD+D/mRqAvQ5FeQrWB3lltaP5YTc=
-github.com/bianjieai/ethermint v0.22.0-irishub-20231207.0.20240419023144-3cea3d782107/go.mod h1:x9BFez6AUL9Yksv4zZd3QLmSazwOkyNd3h2zFV2B4RU=
+github.com/bianjieai/ethermint v0.22.0-irishub-20240512 h1:s7xvTNh4GlUlTjYfeGNvMCpKbfkBw2d/C8lvJXygFiQ=
+github.com/bianjieai/ethermint v0.22.0-irishub-20240512/go.mod h1:x9BFez6AUL9Yksv4zZd3QLmSazwOkyNd3h2zFV2B4RU=
 github.com/bianjieai/nft-transfer v1.1.3-ibc-v7.3.0 h1:399lErsTpI+faTerw5Q4OuVlXAmAQSuibVvxHR3C6OY=
 github.com/bianjieai/nft-transfer v1.1.3-ibc-v7.3.0/go.mod h1:u2PNH4v8CD4AWU4Rf7yt8/qqQtrrwwHiw03qQSKERhg=
 github.com/bianjieai/tibc-go v0.5.0 h1:/J1OQe4gwUUkS3Q6+nm0EsTY7MNAOPNzfnpvgIWlvKM=
@@ -846,8 +846,8 @@ github.com/influxdata/promql/v2 v2.12.0/go.mod h1:fxOPu+DY0bqCTCECchSRtWfc+0X19y
 github.com/influxdata/roaring v0.4.13-0.20180809181101-fc520f41fab6/go.mod h1:bSgUQ7q5ZLSO+bKBGqJiCBGAl+9DxyW63zLTujjUlOE=
 github.com/influxdata/tdigest v0.0.0-20181121200506-bf2b5ad3c0a9/go.mod h1:Js0mqiSBE6Ffsg94weZZ2c+v/ciT8QRHFOap7EKDrR0=
 github.com/influxdata/usage-client v0.0.0-20160829180054-6d3895376368/go.mod h1:Wbbw6tYNvwa5dlB6304Sd+82Z3f7PmVZHVKU637d4po=
-github.com/irisnet/irismod v1.8.1-0.20240511065647-ae196cb4e4ac h1:B1zkOf+8gRJz0SFZlPgfjBb4jyRbG0/Lbezuq1wppkY=
-github.com/irisnet/irismod v1.8.1-0.20240511065647-ae196cb4e4ac/go.mod h1:TQDhEmxqCIzo7OjyNy//UI0xKDuMtONjoy5LzUeRhVo=
+github.com/irisnet/irismod v1.9.0 h1:ZZtcY7575gmSkp08TOm/bhJjH2P7qAX7AWspP5lsAGY=
+github.com/irisnet/irismod v1.9.0/go.mod h1:TQDhEmxqCIzo7OjyNy//UI0xKDuMtONjoy5LzUeRhVo=
 github.com/jackpal/go-nat-pmp v1.0.2 h1:KzKSgb7qkJvOUTqYl9/Hg/me3pWgBmERKrTGD7BdWus=
 github.com/jackpal/go-nat-pmp v1.0.2/go.mod h1:QPH045xvCAeXUZOxsnwmrtiCoxIr9eob+4orBN1SBKc=
 github.com/jedisct1/go-minisign v0.0.0-20190909160543-45766022959e/go.mod h1:G1CVv03EnqU1wYL2dFwXxW2An0az9JTl/ZsqXQeBlkU=