diff --git a/app/app.go b/app/app.go
index a69dadf9..93345d65 100644
--- a/app/app.go
+++ b/app/app.go
@@ -650,6 +650,10 @@ func (app *NewApp) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abc
 }
 
 func (app *NewApp) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock {
+	//todo: this is hotfix for voting power overflow of tendermint.
+	if ctx.BlockHeight() >= 16601 {
+		sdk.DefaultPowerReduction = sdk.NewIntFromUint64(1_000_000_000_000)
+	}
 	return app.mm.EndBlock(ctx, req)
 }
 
diff --git a/go.mod b/go.mod
index 9b141c8c..78bd1f01 100644
--- a/go.mod
+++ b/go.mod
@@ -179,7 +179,7 @@ require (
 replace (
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.1.7-0.20210622111912-ef00f8ac3d76
 	github.com/confio/ics23/go => github.com/cosmos/cosmos-sdk/ics23/go v0.8.0
-	github.com/cosmos/cosmos-sdk => github.com/stratosnet/cosmos-sdk v0.45.12-0.20230728194757-346af98d48ea
+	github.com/cosmos/cosmos-sdk => github.com/stratosnet/cosmos-sdk v0.45.12-0.20230922195330-e85cea3fc7a0
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 	google.golang.org/grpc => google.golang.org/grpc v1.33.2
 )
diff --git a/go.sum b/go.sum
index 28e26ba2..ac65f354 100644
--- a/go.sum
+++ b/go.sum
@@ -818,8 +818,8 @@ github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4 h1:Gb2Tyox57N
 github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4/go.mod h1:RZLeN1LMWmRsyYjvAu+I6Dm9QmlDaIIt+Y+4Kd7Tp+Q=
 github.com/steakknife/bloomfilter v0.0.0-20180922174646-6819c0d2a570/go.mod h1:8OR4w3TdeIHIh1g6EMY5p0gVNOovcWC+1vpc7naMuAw=
 github.com/steakknife/hamming v0.0.0-20180906055917-c99c65617cd3/go.mod h1:hpGUWaI9xL8pRQCTXQgocU38Qw1g0Us7n5PxxTwTCYU=
-github.com/stratosnet/cosmos-sdk v0.45.12-0.20230728194757-346af98d48ea h1:ydNdNYLXLaCK96GqMRL2nR5sPXdznATfe5xJOqzg+6s=
-github.com/stratosnet/cosmos-sdk v0.45.12-0.20230728194757-346af98d48ea/go.mod h1:S+xNysh6M/EWH/iikUBZ0b1OdMd9jU/tfoHe8R27YGc=
+github.com/stratosnet/cosmos-sdk v0.45.12-0.20230922195330-e85cea3fc7a0 h1:tzkomck+QoRqzb2yL7T3e2ud5PYDW0xJTS1YW3iPArU=
+github.com/stratosnet/cosmos-sdk v0.45.12-0.20230922195330-e85cea3fc7a0/go.mod h1:S+xNysh6M/EWH/iikUBZ0b1OdMd9jU/tfoHe8R27YGc=
 github.com/stratosnet/ledger-stratos-go v0.0.0-20230728192009-175657d24cb0 h1:Y8vzNO2ieC7ViVbge7v0eT/ft3nzwVCH78soFeqSJr4=
 github.com/stratosnet/ledger-stratos-go v0.0.0-20230728192009-175657d24cb0/go.mod h1:9T0Ii/AMWWnJRtvKYKB4kDdraaOP76J+K5/IbRXQgyc=
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=