diff --git a/build/bootstrap/butterflynet.pi b/build/bootstrap/butterflynet.pi
index fbfa1e92c78..1972adc5ad0 100644
--- a/build/bootstrap/butterflynet.pi
+++ b/build/bootstrap/butterflynet.pi
@@ -1,2 +1,2 @@
-/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBzv5sf4eTyo8cjJGfGnpxo6QkEPkRShG9GqjE2A5QaW5
-/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBo9TSD4XXRFtu6snv6QNYvXgRaSaVb116YiYEsDWgKtq
+/dns4/bootstrap-0.butterfly.fildev.network/tcp/1347/p2p/12D3KooWBdRCBLUeKvoy22u5DcXs61adFn31v8WWCZgmBjDCjbsC
+/dns4/bootstrap-1.butterfly.fildev.network/tcp/1347/p2p/12D3KooWDUQJBA18njjXnG9RtLxoN3muvdU7PEy55QorUEsdAqdy
diff --git a/build/genesis/butterflynet.car b/build/genesis/butterflynet.car
index cb840104262..c79eab38eb9 100644
Binary files a/build/genesis/butterflynet.car and b/build/genesis/butterflynet.car differ
diff --git a/build/params_2k.go b/build/params_2k.go
index 6c0918c513e..0c31ce5ce81 100644
--- a/build/params_2k.go
+++ b/build/params_2k.go
@@ -47,7 +47,7 @@ var UpgradeHyperdriveHeight = abi.ChainEpoch(-16)
 
 var UpgradeChocolateHeight = abi.ChainEpoch(-17)
 
-var UpgradeSnapDealsHeight = abi.ChainEpoch(-18)
+var UpgradeOhSnapHeight = abi.ChainEpoch(-18)
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
diff --git a/build/params_butterfly.go b/build/params_butterfly.go
index e26fd78fa8f..776a31714cb 100644
--- a/build/params_butterfly.go
+++ b/build/params_butterfly.go
@@ -16,7 +16,7 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
-const GenesisNetworkVersion = network.Version13
+const GenesisNetworkVersion = network.Version14
 
 const BootstrappersFile = "butterflynet.pi"
 const GenesisFile = "butterflynet.car"
@@ -40,13 +40,17 @@ const UpgradeTrustHeight = -13
 const UpgradeNorwegianHeight = -14
 const UpgradeTurboHeight = -15
 const UpgradeHyperdriveHeight = -16
-const UpgradeChocolateHeight = 6360
-const UpgradeSnapDealsHeight = 99999999
+const UpgradeChocolateHeight = -17
+
+// 2022-01-17T19:00:00Z
+const UpgradeOhSnapHeight = 30262
 
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2 << 30))
 	policy.SetSupportedProofTypes(
 		abi.RegisteredSealProof_StackedDrg512MiBV1,
+		abi.RegisteredSealProof_StackedDrg32GiBV1,
+		abi.RegisteredSealProof_StackedDrg64GiBV1,
 	)
 
 	SetAddressNetwork(address.Testnet)
diff --git a/build/params_calibnet.go b/build/params_calibnet.go
index 16d77c7e6fa..4da2269ee52 100644
--- a/build/params_calibnet.go
+++ b/build/params_calibnet.go
@@ -54,7 +54,7 @@ const UpgradeHyperdriveHeight = 420
 
 const UpgradeChocolateHeight = 312746
 
-const UpgradeSnapDealsHeight = 99999999
+const UpgradeOhSnapHeight = 99999999
 
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(32 << 30))
diff --git a/build/params_interop.go b/build/params_interop.go
index 66033937cc3..a483e7188d5 100644
--- a/build/params_interop.go
+++ b/build/params_interop.go
@@ -47,7 +47,7 @@ var UpgradeTurboHeight = abi.ChainEpoch(-15)
 
 var UpgradeHyperdriveHeight = abi.ChainEpoch(-16)
 var UpgradeChocolateHeight = abi.ChainEpoch(-17)
-var UpgradeSnapDealsHeight = abi.ChainEpoch(-18)
+var UpgradeOhSnapHeight = abi.ChainEpoch(-18)
 
 var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
diff --git a/build/params_mainnet.go b/build/params_mainnet.go
index a4781f1ff1d..6efc6d62ff4 100644
--- a/build/params_mainnet.go
+++ b/build/params_mainnet.go
@@ -67,7 +67,7 @@ const UpgradeHyperdriveHeight = 892800
 // 2021-10-26T13:30:00Z
 const UpgradeChocolateHeight = 1231620
 
-var UpgradeSnapDealsHeight = abi.ChainEpoch(999999999999)
+var UpgradeOhSnapHeight = abi.ChainEpoch(999999999999)
 
 func init() {
 	if os.Getenv("LOTUS_USE_TEST_ADDRESSES") != "1" {
@@ -75,7 +75,7 @@ func init() {
 	}
 
 	if os.Getenv("LOTUS_DISABLE_SNAPDEALS") == "1" {
-		UpgradeSnapDealsHeight = math.MaxInt64
+		UpgradeOhSnapHeight = math.MaxInt64
 	}
 
 	Devnet = false
diff --git a/build/params_testground.go b/build/params_testground.go
index 539e06b4541..41c46d41edf 100644
--- a/build/params_testground.go
+++ b/build/params_testground.go
@@ -99,7 +99,7 @@ var (
 	UpgradeTurboHeight      abi.ChainEpoch = -14
 	UpgradeHyperdriveHeight abi.ChainEpoch = -15
 	UpgradeChocolateHeight  abi.ChainEpoch = -16
-	UpgradeSnapDealsHeight  abi.ChainEpoch = -17
+	UpgradeOhSnapHeight     abi.ChainEpoch = -17
 
 	DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 		0: DrandMainnet,
@@ -107,8 +107,8 @@ var (
 
 	GenesisNetworkVersion = network.Version0
 
-	NewestNetworkVersion       = network.Version14
-	ActorUpgradeNetworkVersion = network.Version4
+	NewestNetworkVersion       = network.Version15
+	ActorUpgradeNetworkVersion = network.Version15
 
 	Devnet      = true
 	ZeroAddress = MustParseAddress("f3yaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaby2smx7a")
diff --git a/chain/consensus/filcns/upgrades.go b/chain/consensus/filcns/upgrades.go
index a21bdb05e23..2fa020d3db4 100644
--- a/chain/consensus/filcns/upgrades.go
+++ b/chain/consensus/filcns/upgrades.go
@@ -160,7 +160,7 @@ func DefaultUpgradeSchedule() stmgr.UpgradeSchedule {
 		}},
 		Expensive: true,
 	}, {
-		Height:    build.UpgradeSnapDealsHeight,
+		Height:    build.UpgradeOhSnapHeight,
 		Network:   network.Version15,
 		Migration: UpgradeActorsV7,
 		PreMigrations: []stmgr.PreMigration{{
diff --git a/cmd/lotus-miner/sectors.go b/cmd/lotus-miner/sectors.go
index 6c4f5e16b30..cc5668334fe 100644
--- a/cmd/lotus-miner/sectors.go
+++ b/cmd/lotus-miner/sectors.go
@@ -1557,7 +1557,7 @@ var sectorsMarkForUpgradeCmd = &cli.Command{
 			return xerrors.Errorf("failed to get chain head: %w", err)
 		}
 		twoDays := abi.ChainEpoch(2 * builtin.EpochsInDay)
-		if head.Height() > (build.UpgradeSnapDealsHeight - twoDays) {
+		if head.Height() > (build.UpgradeOhSnapHeight - twoDays) {
 			return xerrors.Errorf("OhSnap is coming soon, " +
 				"please use `snap-up` to upgrade your cc sectors after the network v15 upgrade!")
 		}