diff --git a/api/test/deals.go b/api/test/deals.go
index 49d168512..2414d3fe2 100644
--- a/api/test/deals.go
+++ b/api/test/deals.go
@@ -13,7 +13,6 @@ import (
 
 	"github.com/ipfs/go-cid"
 
-	"github.com/ipfs/go-car"
 	files "github.com/ipfs/go-ipfs-files"
 	logging "github.com/ipfs/go-log/v2"
 	"github.com/ipld/go-car"
diff --git a/go.mod b/go.mod
index a95c179dd..473433d0d 100644
--- a/go.mod
+++ b/go.mod
@@ -28,7 +28,7 @@ require (
 	github.com/filecoin-project/go-statestore v0.1.0
 	github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b
 	github.com/filecoin-project/sector-storage v0.0.0-20200501181153-e4a9a16161e9
-	github.com/filecoin-project/specs-actors v0.3.2-0.20200506000243-d5e9b63cb877
+	github.com/filecoin-project/specs-actors v0.4.0
 	github.com/filecoin-project/specs-storage v0.0.0-20200417134612-61b2d91a6102
 	github.com/filecoin-project/storage-fsm v0.0.0-20200427182014-01487d5ad3c8
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1
@@ -41,6 +41,7 @@ require (
 	github.com/ipfs/go-bitswap v0.2.8
 	github.com/ipfs/go-block-format v0.0.2
 	github.com/ipfs/go-blockservice v0.1.3
+	github.com/ipfs/go-car v0.0.3-0.20200121013634-f188c0e24291
 	github.com/ipfs/go-cid v0.0.6-0.20200501230655-7c82f3b81c00
 	github.com/ipfs/go-datastore v0.4.4
 	github.com/ipfs/go-ds-badger2 v0.1.0
diff --git a/go.sum b/go.sum
index 4a70cd2ec..87d3358b8 100644
--- a/go.sum
+++ b/go.sum
@@ -193,6 +193,8 @@ github.com/filecoin-project/specs-actors v0.3.0 h1:QxgAuTrZr5TPqjyprZk0nTYW5o0JW
 github.com/filecoin-project/specs-actors v0.3.0/go.mod h1:nQYnFbQ7Y0bHZyq6HDEuVlCPR+U3z5Q3wMOQ+2aiV+Y=
 github.com/filecoin-project/specs-actors v0.3.2-0.20200506000243-d5e9b63cb877 h1:oui5QOuA5EIIcVEr9gcz2hPGGHQgQ6/IBgf4m10xnis=
 github.com/filecoin-project/specs-actors v0.3.2-0.20200506000243-d5e9b63cb877/go.mod h1:UW3ft23q6VS8wQoNqLWjENsu9gu1uh6lxOd+H8cwhT8=
+github.com/filecoin-project/specs-actors v0.4.0 h1:ywlvhg4V46D1jrhW8XeXD6K3+lP5r5E5jRHuYAClD1U=
+github.com/filecoin-project/specs-actors v0.4.0/go.mod h1:UW3ft23q6VS8wQoNqLWjENsu9gu1uh6lxOd+H8cwhT8=
 github.com/filecoin-project/specs-storage v0.0.0-20200410185809-9fbaaa08f275 h1:6OTcpsTQBQM0f/A67oEi4E4YtYd6fzkMqbU8cPIWMMs=
 github.com/filecoin-project/specs-storage v0.0.0-20200410185809-9fbaaa08f275/go.mod h1:xJ1/xl9+8zZeSSSFmDC3Wr6uusCTxyYPI0VeNVSFmPE=
 github.com/filecoin-project/specs-storage v0.0.0-20200417134612-61b2d91a6102 h1:T3f/zkuvgtgqcXrb0NO3BicuveGOxxUAMPa/Yif2kuE=
@@ -320,6 +322,7 @@ github.com/ipfs/go-blockservice v0.1.3-0.20190908200855-f22eea50656c/go.mod h1:t
 github.com/ipfs/go-blockservice v0.1.3 h1:9XgsPMwwWJSC9uVr2pMDsW2qFTBSkxpGMhmna8mIjPM=
 github.com/ipfs/go-blockservice v0.1.3/go.mod h1:OTZhFpkgY48kNzbgyvcexW9cHrpjBYIjSR0KoDOFOLU=
 github.com/ipfs/go-car v0.0.3-0.20191203022317-23b0a85fd1b1/go.mod h1:rmd887mJxQRDfndfDEY3Liyx8gQVyfFFRSHdsnDSAlk=
+github.com/ipfs/go-car v0.0.3-0.20200121013634-f188c0e24291 h1:Yy0dcFWw8oDV/WJ4S/rkMQRWnJ3tGr9EbgDDv2JhVQw=
 github.com/ipfs/go-car v0.0.3-0.20200121013634-f188c0e24291/go.mod h1:AG6sBpd2PWMccpAG7XLFBBQ/4rfBEtzUNeO2GSMesYk=
 github.com/ipfs/go-cid v0.0.1/go.mod h1:GHWU/WuQdMPmIosc4Yn1bcCT7dSeX4lBafM7iqUPQvM=
 github.com/ipfs/go-cid v0.0.2/go.mod h1:GHWU/WuQdMPmIosc4Yn1bcCT7dSeX4lBafM7iqUPQvM=