diff --git a/app/upgrade.go b/app/upgrade.go
index d66eca870..d050e5bf0 100644
--- a/app/upgrade.go
+++ b/app/upgrade.go
@@ -40,6 +40,7 @@ func (app *IrisApp) appKeepers() upgrades.AppKeepers {
 		GetKey:                app.GetKey,
 		ModuleManager:         app.mm,
 		TIBCkeeper:            app.TIBCKeeper,
+		IBCKeeper:             app.IBCKeeper,
 		EvmKeeper:             app.EvmKeeper,
 		FeeMarketKeeper:       app.FeeMarketKeeper,
 		TokenKeeper:           app.TokenKeeper,
diff --git a/app/upgrades/types.go b/app/upgrades/types.go
index c767a453f..b20f49b07 100644
--- a/app/upgrades/types.go
+++ b/app/upgrades/types.go
@@ -13,6 +13,7 @@ import (
 	consensuskeeper "github.com/cosmos/cosmos-sdk/x/consensus/keeper"
 	paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
+	ibckeeper "github.com/cosmos/ibc-go/v7/modules/core/keeper"
 
 	tibckeeper "github.com/bianjieai/tibc-go/modules/tibc/core/keeper"
 
@@ -53,6 +54,7 @@ type AppKeepers struct {
 	GetKey                func(moduleName string) *storetypes.KVStoreKey
 	ModuleManager         *module.Manager
 	TIBCkeeper            *tibckeeper.Keeper
+	IBCKeeper             *ibckeeper.Keeper
 	EvmKeeper             *evmkeeper.Keeper
 	FeeMarketKeeper       feemarketkeeper.Keeper
 	TokenKeeper           tokenkeeper.Keeper
diff --git a/app/upgrades/v210/upgrades.go b/app/upgrades/v210/upgrades.go
index a46c6d518..dca36c71b 100644
--- a/app/upgrades/v210/upgrades.go
+++ b/app/upgrades/v210/upgrades.go
@@ -9,6 +9,7 @@ import (
 	crisistypes "github.com/cosmos/cosmos-sdk/x/crisis/types"
 	paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
 	upgradetypes "github.com/cosmos/cosmos-sdk/x/upgrade/types"
+	"github.com/cosmos/ibc-go/v7/modules/core/exported"
 
 	ibcnfttransfertypes "github.com/bianjieai/nft-transfer/types"
 
@@ -40,6 +41,12 @@ func upgradeHandlerConstructor(
 		// 	proposals,
 		// )
 
+		// Enable 09-localhost type in allowed clients according to
+		// https://github.com/cosmos/ibc-go/blob/v7.3.0/docs/migrations/v7-to-v7_1.md
+		params := app.IBCKeeper.ClientKeeper.GetParams(ctx)
+		params.AllowedClients = append(params.AllowedClients, exported.Localhost)
+		app.IBCKeeper.ClientKeeper.SetParams(ctx, params)
+
 		// Migrate Tendermint consensus parameters from x/params module to a
 		// dedicated x/consensus module.
 		baseAppLegacySS := app.ParamsKeeper.Subspace(baseapp.Paramspace).