diff --git a/build/openrpc/boost.json.gz b/build/openrpc/boost.json.gz
index bce3d9d2d..56a4b78ac 100644
Binary files a/build/openrpc/boost.json.gz and b/build/openrpc/boost.json.gz differ
diff --git a/build/version.go b/build/version.go
index 27a882972..8584f5862 100644
--- a/build/version.go
+++ b/build/version.go
@@ -31,7 +31,7 @@ func BuildTypeString() string {
 	}
 }
 
-const BuildVersion = "2.4.2"
+const BuildVersion = "2.4.3"
 
 func UserVersion() string {
 	return BuildVersion + BuildTypeString() + CurrentCommit
diff --git a/extern/filecoin-ffi b/extern/filecoin-ffi
index 2e0c1aff7..7315a33ed 160000
--- a/extern/filecoin-ffi
+++ b/extern/filecoin-ffi
@@ -1 +1 @@
-Subproject commit 2e0c1aff7003f3ca8df46396ad87d275e9517e45
+Subproject commit 7315a33ed47f27ef8b224c752268ee73e12cdb19
diff --git a/go.mod b/go.mod
index 9f80694ab..997edf975 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/filecoin-project/go-state-types v0.16.0
 	github.com/filecoin-project/go-statemachine v1.0.3
 	github.com/filecoin-project/go-statestore v0.2.0
-	github.com/filecoin-project/lotus v1.32.1
+	github.com/filecoin-project/lotus v1.32.2
 	github.com/filecoin-project/specs-actors v0.9.15
 	github.com/filecoin-project/specs-actors/v2 v2.3.6
 	github.com/gbrlsnchs/jwt/v3 v3.0.1
diff --git a/go.sum b/go.sum
index eb4e19c2f..b33c36239 100644
--- a/go.sum
+++ b/go.sum
@@ -408,8 +408,8 @@ github.com/filecoin-project/go-statestore v0.2.0 h1:cRRO0aPLrxKQCZ2UOQbzFGn4WDNd
 github.com/filecoin-project/go-statestore v0.2.0/go.mod h1:8sjBYbS35HwPzct7iT4lIXjLlYyPor80aU7t7a/Kspo=
 github.com/filecoin-project/go-storedcounter v0.1.0 h1:Mui6wSUBC+cQGHbDUBcO7rfh5zQkWJM/CpAZa/uOuus=
 github.com/filecoin-project/go-storedcounter v0.1.0/go.mod h1:4ceukaXi4vFURIoxYMfKzaRF5Xv/Pinh2oTnoxpv+z8=
-github.com/filecoin-project/lotus v1.32.1 h1:C1MLLb6ZIKTYZtqVEAJ+Jbfc1Kf8U1dB9EgqXlmG7MY=
-github.com/filecoin-project/lotus v1.32.1/go.mod h1:eNfZ0eXGMckDBFQmL1/MJk/0UgxVKHy74z40uMrGlg4=
+github.com/filecoin-project/lotus v1.32.2 h1:UQsJgLeZVKE7dPc171va7LlIBYN5XTSqrCs8hooGcik=
+github.com/filecoin-project/lotus v1.32.2/go.mod h1:eNfZ0eXGMckDBFQmL1/MJk/0UgxVKHy74z40uMrGlg4=
 github.com/filecoin-project/pubsub v1.0.0 h1:ZTmT27U07e54qV1mMiQo4HDr0buo8I1LDHBYLXlsNXM=
 github.com/filecoin-project/pubsub v1.0.0/go.mod h1:GkpB33CcUtUNrLPhJgfdy4FDx4OMNR9k+46DHx/Lqrg=
 github.com/filecoin-project/specs-actors v0.9.13/go.mod h1:TS1AW/7LbG+615j4NsjMK1qlpAwaFsG9w0V2tg2gSao=
diff --git a/go.work.sum b/go.work.sum
index 8b31851c3..94ac09e04 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -2608,6 +2608,8 @@ github.com/filecoin-project/kubo-api-client v0.0.1/go.mod h1:c36PPMIVOkKfHDwDG5U
 github.com/filecoin-project/lotus v1.25.0-rc1/go.mod h1:L4HPpbCl0dvIVLW/anT1iBu1/CURDYN9n4ULKkDZ5ps=
 github.com/filecoin-project/lotus v1.25.3-0.20240228124156-fc6229abf7f4 h1:ccee29n37fR0ymXBL3rSPSY+56AuLXBuIeMFcZmVy0g=
 github.com/filecoin-project/lotus v1.25.3-0.20240228124156-fc6229abf7f4/go.mod h1:m2HZtRLwJKm2WVBFzYitQqq4Jqb2wcxzR1qWHNVUHuY=
+github.com/filecoin-project/lotus v1.32.2 h1:UQsJgLeZVKE7dPc171va7LlIBYN5XTSqrCs8hooGcik=
+github.com/filecoin-project/lotus v1.32.2/go.mod h1:eNfZ0eXGMckDBFQmL1/MJk/0UgxVKHy74z40uMrGlg4=
 github.com/filecoin-project/specs-storage v0.4.1 h1:yvLEaLZj8f+uByhNC4mFOtCUyL2wQku+NGBp6hjTe9M=
 github.com/filecoin-project/storetheindex v0.4.17 h1:w0dVc954TGPukoVbidlYvn9Xt+wVhk5vBvrqeJiRo8I=
 github.com/filecoin-project/test-vectors/schema v0.0.7 h1:hhrcxLnQR2Oe6fjk63hZXG1fWQGyxgCVXOOlAlR/D9A=