diff --git a/tests/simapp/ante.go b/tests/simapp/ante.go
new file mode 100644
index 0000000..a478fe0
--- /dev/null
+++ b/tests/simapp/ante.go
@@ -0,0 +1,48 @@
+package simapp
+
+import (
+	errorsmod "cosmossdk.io/errors"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	authante "github.com/cosmos/cosmos-sdk/x/auth/ante"
+)
+
+// HandlerOptions are the options required for constructing an SDK AnteHandler with the fee market injected.
+type HandlerOptions struct {
+	BaseOptions authante.HandlerOptions
+}
+
+// NewAnteHandler returns an AnteHandler that checks and increments sequence
+// numbers, checks signatures & account numbers, and deducts fees from the first
+// signer.
+func NewAnteHandler(options HandlerOptions) (sdk.AnteHandler, error) {
+	if options.BaseOptions.AccountKeeper == nil {
+		return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "account keeper is required for ante builder")
+	}
+
+	if options.BaseOptions.BankKeeper == nil {
+		return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "bank keeper is required for ante builder")
+	}
+
+	if options.BaseOptions.SignModeHandler == nil {
+		return nil, errorsmod.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
+	}
+
+	anteDecorators := []sdk.AnteDecorator{
+		authante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
+		authante.NewExtensionOptionsDecorator(options.BaseOptions.ExtensionOptionChecker),
+		authante.NewValidateBasicDecorator(),
+		authante.NewTxTimeoutHeightDecorator(),
+		authante.NewValidateMemoDecorator(options.BaseOptions.AccountKeeper),
+		authante.NewConsumeGasForTxSizeDecorator(options.BaseOptions.AccountKeeper),
+		authante.NewDeductFeeDecorator(options.BaseOptions.AccountKeeper, options.BaseOptions.BankKeeper, options.BaseOptions.FeegrantKeeper, options.BaseOptions.TxFeeChecker),
+		authante.NewSetPubKeyDecorator(options.BaseOptions.AccountKeeper), // SetPubKeyDecorator must be called before all signature verification decorators
+		authante.NewValidateSigCountDecorator(options.BaseOptions.AccountKeeper),
+		authante.NewSigGasConsumeDecorator(options.BaseOptions.AccountKeeper, options.BaseOptions.SigGasConsumer),
+		authante.NewSigVerificationDecorator(options.BaseOptions.AccountKeeper, options.BaseOptions.SignModeHandler),
+		authante.NewIncrementSequenceDecorator(options.BaseOptions.AccountKeeper),
+	}
+
+	return sdk.ChainAnteDecorators(anteDecorators...), nil
+}
diff --git a/tests/simapp/app.go b/tests/simapp/app.go
index 28d052f..6fb5f3b 100644
--- a/tests/simapp/app.go
+++ b/tests/simapp/app.go
@@ -24,6 +24,7 @@ import (
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
 	"github.com/cosmos/cosmos-sdk/types/module"
 	"github.com/cosmos/cosmos-sdk/x/auth"
+	"github.com/cosmos/cosmos-sdk/x/auth/ante"
 	authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
 	_ "github.com/cosmos/cosmos-sdk/x/auth/tx/config" // import for side-effects
 	"github.com/cosmos/cosmos-sdk/x/auth/vesting"
@@ -258,6 +259,26 @@ func NewSimApp(
 
 	app.App = appBuilder.Build(logger, db, traceStore, baseAppOptions...)
 
+	// ---------------------------------------------------------------------------- //
+	// ------------------------- Begin Custom Code -------------------------------- //
+	// ---------------------------------------------------------------------------- //
+
+	handlerOptions := ante.HandlerOptions{
+		AccountKeeper:   app.AccountKeeper,
+		BankKeeper:      app.BankKeeper,
+		FeegrantKeeper:  app.FeeGrantKeeper,
+		SigGasConsumer:  ante.DefaultSigVerificationGasConsumer,
+		SignModeHandler: app.txConfig.SignModeHandler(),
+	}
+	options := HandlerOptions{
+		BaseOptions: handlerOptions,
+	}
+	anteHandler, err := NewAnteHandler(options)
+	if err != nil {
+		panic(err)
+	}
+	app.App.SetAnteHandler(anteHandler)
+
 	/****  Module Options ****/
 
 	app.ModuleManager.RegisterInvariants(app.CrisisKeeper)
diff --git a/x/feemarket/ante/expected_keepers.go b/x/feemarket/ante/expected_keepers.go
new file mode 100644
index 0000000..bd31753
--- /dev/null
+++ b/x/feemarket/ante/expected_keepers.go
@@ -0,0 +1,27 @@
+package ante
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/auth/types"
+)
+
+// AccountKeeper defines the contract needed for AccountKeeper related APIs.
+// Interface provides support to use non-sdk AccountKeeper for AnteHandler's decorators.
+type AccountKeeper interface {
+	GetParams(ctx sdk.Context) (params types.Params)
+	GetAccount(ctx sdk.Context, addr sdk.AccAddress) types.AccountI
+	SetAccount(ctx sdk.Context, acc types.AccountI)
+	GetModuleAddress(moduleName string) sdk.AccAddress
+}
+
+// FeegrantKeeper defines the expected feegrant keeper.
+type FeegrantKeeper interface {
+	UseGrantedFees(ctx sdk.Context, granter, grantee sdk.AccAddress, fee sdk.Coins, msgs []sdk.Msg) error
+}
+
+// BankKeeper defines the contract needed for supply related APIs (noalias)
+type BankKeeper interface {
+	IsSendEnabledCoins(ctx sdk.Context, coins ...sdk.Coin) error
+	SendCoins(ctx sdk.Context, from, to sdk.AccAddress, amt sdk.Coins) error
+	SendCoinsFromAccountToModule(ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins) error
+}