diff --git a/app/upgrades.go b/app/upgrades.go
index 3775d746..8077e63f 100644
--- a/app/upgrades.go
+++ b/app/upgrades.go
@@ -17,16 +17,11 @@ import (
 )
 
 const (
-	UpgradeName_Mainnet = "v0.27.0"
-	UpgradeName_Testnet = "v0.27.0-alpha.0"
+	UpgradeName_Testnet = "v0.4.0"
 )
 
 // RegisterUpgradeHandlers registers the upgrade handlers for the app.
 func (app App) RegisterUpgradeHandlers() {
-	app.upgradeKeeper.SetUpgradeHandler(
-		UpgradeName_Mainnet,
-		upgradeHandler(app, UpgradeName_Mainnet),
-	)
 	app.upgradeKeeper.SetUpgradeHandler(
 		UpgradeName_Testnet,
 		upgradeHandler(app, UpgradeName_Testnet),
@@ -37,8 +32,7 @@ func (app App) RegisterUpgradeHandlers() {
 		panic(err)
 	}
 
-	doUpgrade := upgradeInfo.Name == UpgradeName_Mainnet ||
-		upgradeInfo.Name == UpgradeName_Testnet
+	doUpgrade := upgradeInfo.Name == UpgradeName_Testnet
 
 	if doUpgrade && !app.upgradeKeeper.IsSkipHeight(upgradeInfo.Height) {
 		storeUpgrades := storetypes.StoreUpgrades{
diff --git a/go.sum b/go.sum
index 43cbce9d..058b72b0 100644
--- a/go.sum
+++ b/go.sum
@@ -222,6 +222,8 @@ git.sr.ht/~sircmpwn/getopt v0.0.0-20191230200459-23622cc906b3/go.mod h1:wMEGFFFN
 git.sr.ht/~sircmpwn/go-bare v0.0.0-20210406120253-ab86bc2846d9/go.mod h1:BVJwbDfVjCjoFiKrhkei6NdGcZYpkDkdyCdg1ukytRA=
 github.com/0g-wh/ethermint v0.21.0-0glabs-v26.3.1 h1:45iLmhD+WV3YTn87T4H70lZFu/X7/uV3TFY3IK4Uh0E=
 github.com/0g-wh/ethermint v0.21.0-0glabs-v26.3.1/go.mod h1:GdFUfO60Wkr+ofAv4Kz+wDCsobHnwhhv8Gly6a9+k0Y=
+github.com/0glabs/cosmos-sdk v0.47.10-0glabs.3 h1:Wx3tVMTuFaaHDeJT/OzT7QLfAIpeaZsG9R6XoTOyKCw=
+github.com/0glabs/cosmos-sdk v0.47.10-0glabs.3/go.mod h1:BWo24B8cApWcO2/widWYIdt3CPxbh+HCSypCPpjTjog=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 h1:/vQbFIOMbk2FiG/kXiLl8BRyzTWDw7gX/Hz7Dd5eDMs=
 github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4/go.mod h1:hN7oaIRCjzsZ2dE+yG5k+rsdt3qcwykqK6HVGcKwsw4=
 github.com/Antonboom/errname v0.1.7/go.mod h1:g0ONh16msHIPgJSGsecu1G/dcF2hlYR/0SddnIAGavU=
@@ -1991,6 +1993,7 @@ golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190130150945-aca44879d564/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=