diff --git a/x/auth/keeper/grpc_query.go b/x/auth/keeper/grpc_query.go
index a18de05d0..30187644d 100644
--- a/x/auth/keeper/grpc_query.go
+++ b/x/auth/keeper/grpc_query.go
@@ -3,6 +3,7 @@ package keeper
 import (
 	"context"
 	"errors"
+	"sort"
 	"strings"
 
 	"github.com/cosmos/cosmos-sdk/store/prefix"
@@ -94,9 +95,16 @@ func (ak AccountKeeper) ModuleAccounts(c context.Context, req *types.QueryModule
 
 	ctx := sdk.UnwrapSDKContext(c)
 
+	// For deterministic output, sort the permAddrs by module name.
+	sortedPermAddrs := make([]string, 0, len(ak.permAddrs))
+	for moduleName := range ak.permAddrs {
+		sortedPermAddrs = append(sortedPermAddrs, moduleName)
+	}
+	sort.Strings(sortedPermAddrs)
+
 	modAccounts := make([]*codectypes.Any, 0, len(ak.permAddrs))
 
-	for moduleName := range ak.permAddrs {
+	for _, moduleName := range sortedPermAddrs {
 		account := ak.GetModuleAccount(ctx, moduleName)
 		if account == nil {
 			return nil, status.Errorf(codes.NotFound, "account %s not found", moduleName)
diff --git a/x/auth/keeper/grpc_query_test.go b/x/auth/keeper/grpc_query_test.go
index 9052873d9..ba0f4b273 100644
--- a/x/auth/keeper/grpc_query_test.go
+++ b/x/auth/keeper/grpc_query_test.go
@@ -1,9 +1,10 @@
 package keeper_test
 
 import (
-	"fmt"
-	"context"
 	"bytes"
+	"context"
+	"fmt"
+	"sort"
 
 	"github.com/cosmos/cosmos-sdk/testutil/testdata"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -11,6 +12,7 @@ import (
 )
 
 const addrStr = "cosmos13c3d4wq2t22dl0dstraf8jc3f902e3fsy9n3wv"
+
 var addrBytes = []byte{0x8e, 0x22, 0xda, 0xb8, 0xa, 0x5a, 0x94, 0xdf, 0xbd, 0xb0, 0x58, 0xfa, 0x93, 0xcb, 0x11, 0x49, 0x5e, 0xac, 0xc5, 0x30}
 
 func (suite *KeeperTestSuite) TestGRPCQueryAccounts() {
@@ -268,6 +270,17 @@ func (suite *KeeperTestSuite) TestGRPCQueryModuleAccounts() {
 			if tc.expPass {
 				suite.Require().NoError(err)
 				suite.Require().NotNil(res)
+				// Make sure output is sorted alphabetically.
+				var moduleNames []string
+				for _, any := range res.Accounts {
+					var account types.AccountI
+					err := suite.app.InterfaceRegistry().UnpackAny(any, &account)
+					suite.Require().NoError(err)
+					moduleAccount, ok := account.(types.ModuleAccountI)
+					suite.Require().True(ok)
+					moduleNames = append(moduleNames, moduleAccount.GetName())
+				}
+				suite.Require().True(sort.StringsAreSorted(moduleNames))
 			} else {
 				suite.Require().Error(err)
 				suite.Require().Nil(res)
@@ -289,9 +302,9 @@ func (suite *KeeperTestSuite) TestBech32Prefix() {
 
 func (suite *KeeperTestSuite) TestAddressBytesToString() {
 	testCases := []struct {
-		msg       string
-		req       *types.AddressBytesToStringRequest
-		expPass   bool
+		msg     string
+		req     *types.AddressBytesToStringRequest
+		expPass bool
 	}{
 		{
 			"success",
@@ -331,9 +344,9 @@ func (suite *KeeperTestSuite) TestAddressBytesToString() {
 
 func (suite *KeeperTestSuite) TestAddressStringToBytes() {
 	testCases := []struct {
-		msg       string
-		req       *types.AddressStringToBytesRequest
-		expPass   bool
+		msg     string
+		req     *types.AddressStringToBytesRequest
+		expPass bool
 	}{
 		{
 			"success",
@@ -352,10 +365,9 @@ func (suite *KeeperTestSuite) TestAddressStringToBytes() {
 		},
 		{
 			"address prefix is incorrect",
-			&types.AddressStringToBytesRequest{AddressString: "regen13c3d4wq2t22dl0dstraf8jc3f902e3fsy9n3wv" },
+			&types.AddressStringToBytesRequest{AddressString: "regen13c3d4wq2t22dl0dstraf8jc3f902e3fsy9n3wv"},
 			false,
 		},
-
 	}
 
 	for _, tc := range testCases {