diff --git a/modules/light-clients/08-wasm/client/cli/tx.go b/modules/light-clients/08-wasm/client/cli/tx.go
index 222418c4924..f00f000eabb 100644
--- a/modules/light-clients/08-wasm/client/cli/tx.go
+++ b/modules/light-clients/08-wasm/client/cli/tx.go
@@ -4,7 +4,9 @@ import (
 	"encoding/hex"
 	"fmt"
 	"os"
+	"sync"
 
+	"github.com/hashicorp/golang-lru/simplelru"
 	"github.com/spf13/cobra"
 
 	govcli "cosmossdk.io/x/gov/client/cli"
@@ -13,6 +15,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/client/tx"
+	addresscodec "github.com/cosmos/cosmos-sdk/codec/address"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/address"
 	"github.com/cosmos/cosmos-sdk/version"
@@ -42,13 +45,29 @@ func newSubmitStoreCodeProposalCmd() *cobra.Command {
 				return err
 			}
 
+			bech32PrefixAccAddr := sdk.GetConfig().GetBech32AccountAddrPrefix()
+			lru, err := simplelru.NewLRU(60000, nil)
+			if err != nil {
+				panic(err)
+			}
+			addrCdc, err := addresscodec.NewCachedBech32Codec(
+				bech32PrefixAccAddr,
+				addresscodec.CachedCodecOptions{
+					Mu:  &sync.Mutex{},
+					Lru: lru})
+			if err != nil {
+				panic(err)
+			}
 			authority, _ := cmd.Flags().GetString(FlagAuthority)
 			if authority != "" {
-				if _, err = sdk.AccAddressFromBech32(authority); err != nil {
+				if _, err = addrCdc.StringToBytes(authority); err != nil {
 					return fmt.Errorf("invalid authority address: %w", err)
 				}
 			} else {
-				authority = sdk.AccAddress(address.Module(govtypes.ModuleName)).String()
+				authority, err = addrCdc.BytesToString(address.Module(govtypes.ModuleName))
+				if err != nil {
+					return fmt.Errorf("invalid authority address: %w", err)
+				}
 			}
 
 			code, err := os.ReadFile(args[0])
diff --git a/modules/light-clients/08-wasm/go.mod b/modules/light-clients/08-wasm/go.mod
index 4a77559c96a..448e18208b9 100644
--- a/modules/light-clients/08-wasm/go.mod
+++ b/modules/light-clients/08-wasm/go.mod
@@ -43,6 +43,7 @@ require (
 	github.com/cosmos/ibc-go/v9 v9.0.0
 	github.com/golang/protobuf v1.5.4
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
+	github.com/hashicorp/golang-lru v1.0.2
 	github.com/spf13/cast v1.7.1
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.19.0
@@ -143,7 +144,6 @@ require (
 	github.com/hashicorp/go-plugin v1.6.2 // indirect
 	github.com/hashicorp/go-safetemp v1.0.0 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
-	github.com/hashicorp/golang-lru v1.0.2 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.7 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hashicorp/yamux v0.1.2 // indirect