diff --git a/core/state/accounts/accounts.go b/core/state/accounts/accounts.go
index 58e548b8c..b1e7cd478 100644
--- a/core/state/accounts/accounts.go
+++ b/core/state/accounts/accounts.go
@@ -8,6 +8,7 @@ import (
 	"github.com/MinterTeam/minter-go-node/formula"
 	"github.com/MinterTeam/minter-go-node/rlp"
 	"github.com/MinterTeam/minter-go-node/tree"
+	"github.com/MinterTeam/minter-go-node/upgrades"
 	"math/big"
 	"sort"
 	"sync"
@@ -176,7 +177,7 @@ func (a *Accounts) ExistsMultisig(msigAddress types.Address) bool {
 	return false
 }
 
-func (a *Accounts) CreateMultisig(weights []uint, addresses []types.Address, threshold uint) types.Address {
+func (a *Accounts) CreateMultisig(weights []uint, addresses []types.Address, threshold uint, height uint64) types.Address {
 	msig := Multisig{
 		Weights:   weights,
 		Threshold: threshold,
@@ -201,6 +202,10 @@ func (a *Accounts) CreateMultisig(weights []uint, addresses []types.Address, thr
 	account.MultisigData = msig
 	account.markDirty(account.address)
 
+	if height > upgrades.UpgradeBlock1 {
+		account.isDirty = true
+	}
+
 	a.setToMap(address, account)
 
 	return address
diff --git a/core/state/state.go b/core/state/state.go
index 007699d7c..bffdc9cee 100644
--- a/core/state/state.go
+++ b/core/state/state.go
@@ -151,7 +151,7 @@ func (s *State) Import(state types.AppState) error {
 
 	for _, a := range state.Accounts {
 		if a.MultisigData != nil {
-			s.Accounts.CreateMultisig(a.MultisigData.Weights, a.MultisigData.Addresses, a.MultisigData.Threshold)
+			s.Accounts.CreateMultisig(a.MultisigData.Weights, a.MultisigData.Addresses, a.MultisigData.Threshold, 1)
 		}
 
 		s.Accounts.SetNonce(a.Address, a.Nonce)
diff --git a/core/transaction/create_multisig.go b/core/transaction/create_multisig.go
index 7fb14f8f9..ef6d08668 100644
--- a/core/transaction/create_multisig.go
+++ b/core/transaction/create_multisig.go
@@ -163,7 +163,7 @@ func (data CreateMultisigData) Run(tx *Transaction, context *state.State, isChec
 		context.Accounts.SubBalance(sender, tx.GasCoin, commission)
 		context.Accounts.SetNonce(sender, tx.Nonce)
 
-		context.Accounts.CreateMultisig(data.Weights, data.Addresses, data.Threshold)
+		context.Accounts.CreateMultisig(data.Weights, data.Addresses, data.Threshold, currentBlock)
 	}
 
 	tags := kv.Pairs{
diff --git a/core/transaction/create_multisig_test.go b/core/transaction/create_multisig_test.go
index 072dfaebf..b00c135b4 100644
--- a/core/transaction/create_multisig_test.go
+++ b/core/transaction/create_multisig_test.go
@@ -233,7 +233,7 @@ func TestCreateExistingMultisigTx(t *testing.T) {
 		},
 	}
 
-	cState.Accounts.CreateMultisig(data.Weights, data.Addresses, data.Threshold)
+	cState.Accounts.CreateMultisig(data.Weights, data.Addresses, data.Threshold, 1)
 
 	encodedData, err := rlp.EncodeToBytes(data)
 	if err != nil {
diff --git a/core/transaction/executor_test.go b/core/transaction/executor_test.go
index 5ee43d219..5c473d4ae 100644
--- a/core/transaction/executor_test.go
+++ b/core/transaction/executor_test.go
@@ -231,7 +231,7 @@ func TestMultiSigTx(t *testing.T) {
 	addr := crypto.PubkeyToAddress(privateKey.PublicKey)
 	coin := types.GetBaseCoin()
 
-	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 1)
+	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 1, 1)
 	cState.Accounts.AddBalance(msigAddress, coin, helpers.BipToPip(big.NewInt(1000000)))
 
 	txData := SendData{
@@ -275,7 +275,7 @@ func TestMultiSigDoubleSignTx(t *testing.T) {
 	addr := crypto.PubkeyToAddress(privateKey.PublicKey)
 	coin := types.GetBaseCoin()
 
-	msigAddress := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr, {}}, 2)
+	msigAddress := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr, {}}, 2, 1)
 	cState.Accounts.AddBalance(msigAddress, coin, helpers.BipToPip(big.NewInt(1000000)))
 
 	txData := SendData{
@@ -323,7 +323,7 @@ func TestMultiSigTooManySignsTx(t *testing.T) {
 	addr := crypto.PubkeyToAddress(privateKey.PublicKey)
 	coin := types.GetBaseCoin()
 
-	msigAddress := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr, {}}, 2)
+	msigAddress := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr, {}}, 2, 1)
 	cState.Accounts.AddBalance(msigAddress, coin, helpers.BipToPip(big.NewInt(1000000)))
 
 	txData := SendData{
@@ -374,7 +374,7 @@ func TestMultiSigNotEnoughTx(t *testing.T) {
 	addr := crypto.PubkeyToAddress(privateKey.PublicKey)
 	coin := types.GetBaseCoin()
 
-	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 2)
+	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 2, 1)
 	cState.Accounts.AddBalance(msigAddress, coin, helpers.BipToPip(big.NewInt(1000000)))
 
 	txData := SendData{
@@ -418,7 +418,7 @@ func TestMultiSigIncorrectSignsTx(t *testing.T) {
 	addr := crypto.PubkeyToAddress(privateKey.PublicKey)
 	coin := types.GetBaseCoin()
 
-	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 1)
+	msigAddress := cState.Accounts.CreateMultisig([]uint{1}, []types.Address{addr}, 1, 1)
 	cState.Accounts.AddBalance(msigAddress, coin, helpers.BipToPip(big.NewInt(1000000)))
 
 	txData := SendData{
diff --git a/core/transaction/send_test.go b/core/transaction/send_test.go
index f523ed8c2..97378715f 100644
--- a/core/transaction/send_test.go
+++ b/core/transaction/send_test.go
@@ -82,7 +82,7 @@ func TestSendMultisigTx(t *testing.T) {
 
 	coin := types.GetBaseCoin()
 
-	msig := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr1, addr2}, 1)
+	msig := cState.Accounts.CreateMultisig([]uint{1, 1}, []types.Address{addr1, addr2}, 1, 1)
 
 	cState.Accounts.AddBalance(msig, coin, helpers.BipToPip(big.NewInt(1000000)))
 
@@ -150,7 +150,7 @@ func TestSendFailedMultisigTx(t *testing.T) {
 
 	coin := types.GetBaseCoin()
 
-	msig := cState.Accounts.CreateMultisig([]uint{1, 3}, []types.Address{addr1, addr2}, 3)
+	msig := cState.Accounts.CreateMultisig([]uint{1, 3}, []types.Address{addr1, addr2}, 3, 1)
 
 	cState.Accounts.AddBalance(msig, coin, helpers.BipToPip(big.NewInt(1000000)))
 
diff --git a/upgrades/blocks.go b/upgrades/blocks.go
index 3922ee05b..65edacff2 100644
--- a/upgrades/blocks.go
+++ b/upgrades/blocks.go
@@ -1 +1,3 @@
 package upgrades
+
+const UpgradeBlock1 = 5000
diff --git a/upgrades/grace.go b/upgrades/grace.go
index d0b40e4c5..98540e9f6 100644
--- a/upgrades/grace.go
+++ b/upgrades/grace.go
@@ -2,6 +2,7 @@ package upgrades
 
 var gracePeriods = []*gracePeriod{
 	NewGracePeriod(1, 120),
+	NewGracePeriod(UpgradeBlock1, UpgradeBlock1+120),
 }
 
 type gracePeriod struct {
diff --git a/version/version.go b/version/version.go
index d367924e4..e23069a1e 100755
--- a/version/version.go
+++ b/version/version.go
@@ -11,7 +11,7 @@ const (
 
 var (
 	// Must be a string because scripts like dist.sh read this file.
-	Version = "1.1.0"
+	Version = "1.1.1"
 
 	// GitCommit is the current HEAD set using ldflags.
 	GitCommit string