diff --git a/build/params_2k.go b/build/params_2k.go
index 33d9d50ef..485f7bec0 100644
--- a/build/params_2k.go
+++ b/build/params_2k.go
@@ -10,6 +10,7 @@ import (
 	"github.com/ipfs/go-cid"
 
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 )
@@ -17,6 +18,8 @@ import (
 const BootstrappersFile = ""
 const GenesisFile = ""
 
+const GenesisNetworkVersion = network.Version14
+
 var UpgradeBreezeHeight = abi.ChainEpoch(-1)
 
 const BreezeGasTampingDuration = 0
diff --git a/build/params_butterfly.go b/build/params_butterfly.go
index 096446b76..70d1cff95 100644
--- a/build/params_butterfly.go
+++ b/build/params_butterfly.go
@@ -6,6 +6,7 @@ package build
 import (
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
@@ -16,6 +17,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version13
+
 const BootstrappersFile = "butterflynet.pi"
 const GenesisFile = "butterflynet.car"
 
@@ -38,7 +41,7 @@ const UpgradeTrustHeight = -13
 const UpgradeNorwegianHeight = -14
 const UpgradeTurboHeight = -15
 const UpgradeHyperdriveHeight = -16
-const UpgradeChocolateHeight = 3950
+const UpgradeChocolateHeight = 6360
 
 func init() {
 	policy.SetConsensusMinerMinPower(abi.NewStoragePower(2 << 30))
diff --git a/build/params_calibnet.go b/build/params_calibnet.go
index 31d0e1b86..996a5c924 100644
--- a/build/params_calibnet.go
+++ b/build/params_calibnet.go
@@ -6,6 +6,7 @@ package build
 import (
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
@@ -16,6 +17,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version0
+
 const BootstrappersFile = "calibnet.pi"
 const GenesisFile = "calibnet.car"
 
diff --git a/build/params_interop.go b/build/params_interop.go
index f3c51d5a6..e928da8a0 100644
--- a/build/params_interop.go
+++ b/build/params_interop.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
 	miner6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/miner"
 
@@ -20,6 +21,8 @@ import (
 const BootstrappersFile = "interopnet.pi"
 const GenesisFile = "interopnet.car"
 
+const GenesisNetworkVersion = network.Version13
+
 var UpgradeBreezeHeight = abi.ChainEpoch(-1)
 
 const BreezeGasTampingDuration = 0
diff --git a/build/params_mainnet.go b/build/params_mainnet.go
index 9a05e8b7a..e6b730335 100644
--- a/build/params_mainnet.go
+++ b/build/params_mainnet.go
@@ -7,6 +7,8 @@ import (
 	"math"
 	"os"
 
+	"github.com/filecoin-project/go-state-types/network"
+
 	"github.com/filecoin-project/go-address"
 	"github.com/filecoin-project/go-state-types/abi"
 	builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
@@ -17,6 +19,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	UpgradeSmokeHeight: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version0
+
 const BootstrappersFile = "mainnet.pi"
 const GenesisFile = "mainnet.car"
 
diff --git a/build/params_nerpanet.go b/build/params_nerpanet.go
index 6854d3bd3..6a27d8d7f 100644
--- a/build/params_nerpanet.go
+++ b/build/params_nerpanet.go
@@ -5,6 +5,7 @@ package build
 
 import (
 	"github.com/filecoin-project/go-state-types/abi"
+	"github.com/filecoin-project/go-state-types/network"
 	"github.com/filecoin-project/lotus/chain/actors/policy"
 	"github.com/ipfs/go-cid"
 
@@ -16,6 +17,8 @@ var DrandSchedule = map[abi.ChainEpoch]DrandEnum{
 	0: DrandMainnet,
 }
 
+const GenesisNetworkVersion = network.Version0
+
 const BootstrappersFile = "nerpanet.pi"
 const GenesisFile = "nerpanet.car"
 
diff --git a/build/params_testground.go b/build/params_testground.go
index 69ff19d8c..48b76f82c 100644
--- a/build/params_testground.go
+++ b/build/params_testground.go
@@ -104,7 +104,9 @@ var (
 		0: DrandMainnet,
 	}
 
-	NewestNetworkVersion       = network.Version11
+	GenesisNetworkVersion = network.Version0
+
+	NewestNetworkVersion       = network.Version14
 	ActorUpgradeNetworkVersion = network.Version4
 
 	Devnet      = true
diff --git a/chain/stmgr/stmgr.go b/chain/stmgr/stmgr.go
index 49a90d99f..a3f17cd41 100644
--- a/chain/stmgr/stmgr.go
+++ b/chain/stmgr/stmgr.go
@@ -112,7 +112,7 @@ func NewStateManager(cs *store.ChainStore, exec Executor, sys vm.SyscallBuilder,
 	stateMigrations := make(map[abi.ChainEpoch]*migration, len(us))
 	expensiveUpgrades := make(map[abi.ChainEpoch]struct{}, len(us))
 	var networkVersions []versionSpec
-	lastVersion := network.Version0
+	lastVersion := build.GenesisNetworkVersion
 	if len(us) > 0 {
 		// If we have any upgrades, process them and create a version
 		// schedule.
diff --git a/testplans/lotus-soup/go.sum b/testplans/lotus-soup/go.sum
index 3fd9de0b3..fb158b5c6 100644
--- a/testplans/lotus-soup/go.sum
+++ b/testplans/lotus-soup/go.sum
@@ -887,8 +887,9 @@ github.com/ipfs/go-graphsync v0.1.0/go.mod h1:jMXfqIEDFukLPZHqDPp8tJMbHO9Rmeb9CE
 github.com/ipfs/go-graphsync v0.4.2/go.mod h1:/VmbZTUdUMTbNkgzAiCEucIIAU3BkLE2cZrDCVUhyi0=
 github.com/ipfs/go-graphsync v0.4.3/go.mod h1:mPOwDYv128gf8gxPFgXnz4fNrSYPsWyqisJ7ych+XDY=
 github.com/ipfs/go-graphsync v0.9.0/go.mod h1:J62ahWT9JbPsFL2UWsUM5rOu0lZJ0LOIH1chHdxGGcw=
-github.com/ipfs/go-graphsync v0.9.1 h1:jo7ZaAZ3lal89RhKxKoRkPzIO8lmOY6KUWA1mDRZ2+U=
 github.com/ipfs/go-graphsync v0.9.1/go.mod h1:J62ahWT9JbPsFL2UWsUM5rOu0lZJ0LOIH1chHdxGGcw=
+github.com/ipfs/go-graphsync v0.9.3 h1:oWqUuN3OYqLwu669fxYbgymBrIodB0fD7vFZfF//X7Y=
+github.com/ipfs/go-graphsync v0.9.3/go.mod h1:J62ahWT9JbPsFL2UWsUM5rOu0lZJ0LOIH1chHdxGGcw=
 github.com/ipfs/go-hamt-ipld v0.1.1/go.mod h1:1EZCr2v0jlCnhpa+aZ0JZYp8Tt2w16+JJOAVz17YcDk=
 github.com/ipfs/go-ipfs-blockstore v0.0.1/go.mod h1:d3WClOmRQKFnJ0Jz/jj/zmksX0ma1gROTlovZKBmN08=
 github.com/ipfs/go-ipfs-blockstore v0.1.0/go.mod h1:5aD0AvHPi7mZc6Ci1WCAhiBQu2IsfTduLl+422H6Rqw=