diff --git a/chain/validation/message.go b/chain/validation/message.go
index 2e497184f..d0f6201ea 100644
--- a/chain/validation/message.go
+++ b/chain/validation/message.go
@@ -10,7 +10,9 @@ import (
 	vaddress "github.com/filecoin-project/chain-validation/pkg/state/address"
 	vtypes "github.com/filecoin-project/chain-validation/pkg/state/types"
 
+	"github.com/filecoin-project/specs-actors/actors/builtin"
 	"github.com/filecoin-project/go-address"
+
 	"github.com/filecoin-project/lotus/chain/actors"
 	"github.com/filecoin-project/lotus/chain/types"
 )
@@ -83,14 +85,14 @@ var methods = []uint64{
 	vchain.StorageMinerGetPeerID:     actors.MAMethods.GetPeerID,
 	vchain.StorageMinerGetSectorSize: actors.MAMethods.GetSectorSize,
 
-	vchain.MultiSigConstructor:       actors.MultiSigMethods.MultiSigConstructor,
-	vchain.MultiSigPropose:           actors.MultiSigMethods.Propose,
-	vchain.MultiSigApprove:           actors.MultiSigMethods.Approve,
-	vchain.MultiSigCancel:            actors.MultiSigMethods.Cancel,
-	vchain.MultiSigClearCompleted:    actors.MultiSigMethods.ClearCompleted,
-	vchain.MultiSigAddSigner:         actors.MultiSigMethods.AddSigner,
-	vchain.MultiSigRemoveSigner:      actors.MultiSigMethods.RemoveSigner,
-	vchain.MultiSigSwapSigner:        actors.MultiSigMethods.SwapSigner,
-	vchain.MultiSigChangeRequirement: actors.MultiSigMethods.ChangeRequirement,
+	vchain.MultiSigConstructor:       uint64(builtin.MethodsMultisig.Constructor),
+	vchain.MultiSigPropose:           uint64(builtin.MethodsMultisig.Propose),
+	vchain.MultiSigApprove:           uint64(builtin.MethodsMultisig.Approve),
+	vchain.MultiSigCancel:            uint64(builtin.MethodsMultisig.Cancel),
+	vchain.MultiSigClearCompleted:    uint64(builtin.MethodsMultisig.ClearCompleted),
+	vchain.MultiSigAddSigner:         uint64(builtin.MethodsMultisig.AddSigner),
+	vchain.MultiSigRemoveSigner:      uint64(builtin.MethodsMultisig.RemoveSigner),
+	vchain.MultiSigSwapSigner:        uint64(builtin.MethodsMultisig.SwapSigner),
+	vchain.MultiSigChangeRequirement: uint64(builtin.MethodsMultisig.ChangeNumApprovalsThreshold),
 	// More to follow...
 }
diff --git a/go.sum b/go.sum
index 8c377f2b3..7470c18b1 100644
--- a/go.sum
+++ b/go.sum
@@ -123,8 +123,6 @@ github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200203173614-42d67726bb6
 github.com/filecoin-project/go-sectorbuilder v0.0.2-0.20200203173614-42d67726bb62/go.mod h1:jNGVCDihkMFnraYVLH1xl4ceZQVxx/u4dOORrTKeRi0=
 github.com/filecoin-project/go-statestore v0.1.0 h1:t56reH59843TwXHkMcwyuayStBIiWBRilQjQ+5IiwdQ=
 github.com/filecoin-project/go-statestore v0.1.0/go.mod h1:LFc9hD+fRxPqiHiaqUEZOinUJB4WARkRfNl10O7kTnI=
-github.com/filecoin-project/specs-actors v0.0.0-20200204204849-b1474eeb2fb5 h1:rDyP5UTPFxdfS7D5I0XLdaQZZoNGYTic1X9ptKmRSlM=
-github.com/filecoin-project/specs-actors v0.0.0-20200204204849-b1474eeb2fb5/go.mod h1:9vrrnLVhF2Zz6R3VBI7lKxQYRvPpsc1FTUyNqCvuYME=
 github.com/filecoin-project/specs-actors v0.0.0-20200206185502-20fc70907293 h1:k/xtj90OknHTVOJikJ9mnf81UN2BaflS3R83OUg3BJM=
 github.com/filecoin-project/specs-actors v0.0.0-20200206185502-20fc70907293/go.mod h1:gx4vDpIVf3AfF23iyVn9PNQhKy7wGQDrhxNyCHDzG8I=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=