diff --git a/app/upgrade.go b/app/upgrade.go
index 745c8acb3..0150c9529 100644
--- a/app/upgrade.go
+++ b/app/upgrade.go
@@ -38,6 +38,7 @@ func (app *App) RegisterUpgradeHandlers(chainID string, serverCfg *serverconfig.
 	app.registerMongolianUpgradeHandler()
 	app.registerAltaiUpgradeHandler()
 	app.registerSavannaUpgradeHandler()
+	app.registerTundraUpgradeHandler()
 	// app.register...()
 	// ...
 	return nil
@@ -330,3 +331,19 @@ func (app *App) registerSavannaUpgradeHandler() {
 			return nil
 		})
 }
+
+func (app *App) registerTundraUpgradeHandler() {
+	// Register the upgrade handler
+	app.UpgradeKeeper.SetUpgradeHandler(upgradetypes.Tundra,
+		func(ctx sdk.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
+			app.Logger().Info("upgrade to ", plan.Name)
+			return app.mm.RunMigrations(ctx, app.configurator, fromVM)
+		})
+
+	// Register the upgrade initializer
+	app.UpgradeKeeper.SetUpgradeInitializer(upgradetypes.Tundra,
+		func() error {
+			app.Logger().Info("Init Tundra upgrade")
+			return nil
+		})
+}
diff --git a/deployment/localup/localup.sh b/deployment/localup/localup.sh
index b4ad2b8ca..ce3c56a61 100644
--- a/deployment/localup/localup.sh
+++ b/deployment/localup/localup.sh
@@ -183,6 +183,7 @@ function generate_genesis() {
         echo -e '[[upgrade]]\nname = "Veld"\nheight = 26\ninfo = ""' >> ${workspace}/.local/validator${i}/config/app.toml
         echo -e '[[upgrade]]\nname = "Mongolian"\nheight = 27\ninfo = ""' >> ${workspace}/.local/validator${i}/config/app.toml
         echo -e '[[upgrade]]\nname = "Savanna"\nheight = 28\ninfo = ""' >> ${workspace}/.local/validator${i}/config/app.toml
+        echo -e '[[upgrade]]\nname = "Tundra"\nheight = 29\ninfo = ""' >> ${workspace}/.local/validator${i}/config/app.toml
     done
 
     # enable swagger API for validator0
diff --git a/go.mod b/go.mod
index 4583d9b53..a9baa3566 100644
--- a/go.mod
+++ b/go.mod
@@ -176,7 +176,7 @@ replace (
 	github.com/cometbft/cometbft => github.com/bnb-chain/greenfield-cometbft v1.3.0
 	github.com/cometbft/cometbft-db => github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1
 	github.com/confio/ics23/go => github.com/cosmos/cosmos-sdk/ics23/go v0.8.0
-	github.com/cosmos/cosmos-sdk => github.com/bnb-chain/greenfield-cosmos-sdk v1.10.0
+	github.com/cosmos/cosmos-sdk => github.com/bnb-chain/greenfield-cosmos-sdk v1.10.1-0.20251014054900-003354fe83f6
 	github.com/cosmos/iavl => github.com/bnb-chain/greenfield-iavl v0.20.1
 	github.com/syndtr/goleveldb => github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
 	github.com/wercker/journalhook => github.com/wercker/journalhook v0.0.0-20230927020745-64542ffa4117
diff --git a/go.sum b/go.sum
index 1959d78b1..28f4fffce 100644
--- a/go.sum
+++ b/go.sum
@@ -163,8 +163,8 @@ github.com/bnb-chain/greenfield-cometbft v1.3.0 h1:v3nZ16ledTZGF5Csys7fTQGZcEV78
 github.com/bnb-chain/greenfield-cometbft v1.3.0/go.mod h1:0D+VPivZTeBldjtGGi9LKbBnKEO/RtMRJikie92LkYI=
 github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1 h1:XcWulGacHVRiSCx90Q8Y//ajOrLNBQWR/KDB89dy3cU=
 github.com/bnb-chain/greenfield-cometbft-db v0.8.1-alpha.1/go.mod h1:ey1CiK4bYo1RBNJLRiVbYr5CMdSxci9S/AZRINLtppI=
-github.com/bnb-chain/greenfield-cosmos-sdk v1.10.0 h1:uWmy80c8kvvvmUb50hgo2kX4QLcmvqs9J5tLvCgXnIs=
-github.com/bnb-chain/greenfield-cosmos-sdk v1.10.0/go.mod h1:2bwmwdXYBISnQoMwgAcZTVGt21lMsHZSeeeMByTvDlQ=
+github.com/bnb-chain/greenfield-cosmos-sdk v1.10.1-0.20251014054900-003354fe83f6 h1:lntekn2IqPDKfVxBNWAy4IHXeOyTpEVkD3ZCkSzL4wY=
+github.com/bnb-chain/greenfield-cosmos-sdk v1.10.1-0.20251014054900-003354fe83f6/go.mod h1:2bwmwdXYBISnQoMwgAcZTVGt21lMsHZSeeeMByTvDlQ=
 github.com/bnb-chain/greenfield-cosmos-sdk/api v0.0.0-20230816082903-b48770f5e210 h1:GHPbV2bC+gmuO6/sG0Tm8oGal3KKSRlyE+zPscDjlA8=
 github.com/bnb-chain/greenfield-cosmos-sdk/api v0.0.0-20230816082903-b48770f5e210/go.mod h1:vhsZxXE9tYJeYB5JR4hPhd6Pc/uPf7j1T8IJ7p9FdeM=
 github.com/bnb-chain/greenfield-cosmos-sdk/math v0.0.0-20230816082903-b48770f5e210 h1:FLVOn4+OVbsKi2+YJX5kmD27/4dRu4FW7xCXFhzDO5s=
diff --git a/x/virtualgroup/keeper/msg_server.go b/x/virtualgroup/keeper/msg_server.go
index 71d7067eb..59d193d69 100644
--- a/x/virtualgroup/keeper/msg_server.go
+++ b/x/virtualgroup/keeper/msg_server.go
@@ -294,6 +294,11 @@ func (k msgServer) Withdraw(goCtx context.Context, req *types.MsgWithdraw) (*typ
 		return nil, err
 	}
 
+	if ctx.IsUpgraded(upgradetypes.Tundra) {
+		gvg.TotalDeposit = gvg.TotalDeposit.Sub(withdrawTokens)
+		k.SetGVG(ctx, gvg)
+	}
+
 	if err := ctx.EventManager().EmitTypedEvents(&types.EventUpdateGlobalVirtualGroup{
 		Id:           req.GlobalVirtualGroupId,
 		StoreSize:    gvg.StoredSize,