diff --git a/chain/events/state/predicates_test.go b/chain/events/state/predicates_test.go
index 13aea632e..e549a71be 100644
--- a/chain/events/state/predicates_test.go
+++ b/chain/events/state/predicates_test.go
@@ -293,12 +293,12 @@ func TestMinerSectorChange(t *testing.T) {
 	}
 
 	owner, worker := nextIDAddrF(), nextIDAddrF()
-	si0 := newSectorOnChainInfo(0, tutils.MakeCID("0"), big.NewInt(0), abi.ChainEpoch(0), abi.ChainEpoch(10))
-	si1 := newSectorOnChainInfo(1, tutils.MakeCID("1"), big.NewInt(1), abi.ChainEpoch(1), abi.ChainEpoch(11))
-	si2 := newSectorOnChainInfo(2, tutils.MakeCID("2"), big.NewInt(2), abi.ChainEpoch(2), abi.ChainEpoch(11))
+	si0 := newSectorOnChainInfo(0, tutils.MakeCID("0", &miner.SealedCIDPrefix), big.NewInt(0), abi.ChainEpoch(0), abi.ChainEpoch(10))
+	si1 := newSectorOnChainInfo(1, tutils.MakeCID("1", &miner.SealedCIDPrefix), big.NewInt(1), abi.ChainEpoch(1), abi.ChainEpoch(11))
+	si2 := newSectorOnChainInfo(2, tutils.MakeCID("2", &miner.SealedCIDPrefix), big.NewInt(2), abi.ChainEpoch(2), abi.ChainEpoch(11))
 	oldMinerC := createMinerState(ctx, t, store, owner, worker, []miner.SectorOnChainInfo{si0, si1, si2})
 
-	si3 := newSectorOnChainInfo(3, tutils.MakeCID("3"), big.NewInt(3), abi.ChainEpoch(3), abi.ChainEpoch(12))
+	si3 := newSectorOnChainInfo(3, tutils.MakeCID("3", &miner.SealedCIDPrefix), big.NewInt(3), abi.ChainEpoch(3), abi.ChainEpoch(12))
 	// 0 delete
 	// 1 extend
 	// 2 same
diff --git a/go.mod b/go.mod
index e35c1a36c..b425c9d5d 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ 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 v0.0.0-20200717213554-a109ef9cbeab
-	github.com/filecoin-project/specs-actors v0.8.1-0.20200720061236-f4719fdd7d90
+	github.com/filecoin-project/specs-actors v0.8.1-0.20200720115956-cd051eabf328
 	github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea
 	github.com/filecoin-project/storage-fsm v0.0.0-20200717125541-d575c3a5f7f2
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1
diff --git a/go.sum b/go.sum
index 74de06d55..3007c62e1 100644
--- a/go.sum
+++ b/go.sum
@@ -271,6 +271,8 @@ github.com/filecoin-project/specs-actors v0.7.3-0.20200716231407-60a2ae96d2e6 h1
 github.com/filecoin-project/specs-actors v0.7.3-0.20200716231407-60a2ae96d2e6/go.mod h1:JOMUa7EijvpOO4ofD1yeHNmqohkmmnhTvz/IpB6so4c=
 github.com/filecoin-project/specs-actors v0.8.1-0.20200720061236-f4719fdd7d90 h1:E8M5FyB53tuRXHO5KAAi9DlksOl54ULImW57MrUfyDY=
 github.com/filecoin-project/specs-actors v0.8.1-0.20200720061236-f4719fdd7d90/go.mod h1:JOMUa7EijvpOO4ofD1yeHNmqohkmmnhTvz/IpB6so4c=
+github.com/filecoin-project/specs-actors v0.8.1-0.20200720115956-cd051eabf328 h1:jZwz1VxqzNCfINY5FDnsT+ZL03wjzLifi+JwdLkehuU=
+github.com/filecoin-project/specs-actors v0.8.1-0.20200720115956-cd051eabf328/go.mod h1:0+CxQ5Jeii3522irTvhKRDpr4GG1bj5Erq3p/d38DzY=
 github.com/filecoin-project/specs-storage v0.1.0 h1:PkDgTOT5W5Ao7752onjDl4QSv+sgOVdJbvFjOnD5w94=
 github.com/filecoin-project/specs-storage v0.1.0/go.mod h1:Pr5ntAaxsh+sLG/LYiL4tKzvA83Vk5vLODYhfNwOg7k=
 github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea h1:iixjULRQFPn7Q9KlIqfwLJnlAXO10bbkI+xy5GKGdLY=