diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40053f0ec..44be59ea2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -46,6 +46,7 @@ This is the first release candidate for lotus optional release v1.13.1. More det
     - Update go-graphsync v0.10.1 ([filecoin-project/lotus#7457](https://github.com/filecoin-project/lotus/pull/7457))
     - restore filters for the build-macos job ([filecoin-project/lotus#7455](https://github.com/filecoin-project/lotus/pull/7455))
     - bump master to v1.13.1-dev ([filecoin-project/lotus#7451](https://github.com/filecoin-project/lotus/pull/7451))
+    - update go-libp2p-pubsub to v0.5.6 (([filecoin-project/lotus#7451](https://github.com/filecoin-project/lotus/pull/7451)))
 - github.com/filecoin-project/go-address (v0.0.5 -> v0.0.6):
     - fix: reject 64bit addresses ([filecoin-project/go-address#20](https://github.com/filecoin-project/go-address/pull/20))
 - github.com/filecoin-project/go-cbor-util (v0.0.0-20191219014500-08c40a1e63a2 -> v0.0.1):
diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index 835c06f92..60ac3231a 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/build/openrpc/miner.json.gz b/build/openrpc/miner.json.gz
index 2f0b48c3c..455dcfba7 100644
Binary files a/build/openrpc/miner.json.gz and b/build/openrpc/miner.json.gz differ
diff --git a/build/openrpc/worker.json.gz b/build/openrpc/worker.json.gz
index 3914dfec9..9897980db 100644
Binary files a/build/openrpc/worker.json.gz and b/build/openrpc/worker.json.gz differ
diff --git a/build/version.go b/build/version.go
index 43b71fac7..edcedc1d6 100644
--- a/build/version.go
+++ b/build/version.go
@@ -37,7 +37,7 @@ func BuildTypeString() string {
 }
 
 // BuildVersion is the local build version
-const BuildVersion = "1.13.1-rc1"
+const BuildVersion = "1.13.1-rc2"
 
 func UserVersion() string {
 	if os.Getenv("LOTUS_VERSION_IGNORE_COMMIT") == "1" {
diff --git a/documentation/en/cli-lotus-miner.md b/documentation/en/cli-lotus-miner.md
index 84a1e5f9e..c7dd4cf77 100644
--- a/documentation/en/cli-lotus-miner.md
+++ b/documentation/en/cli-lotus-miner.md
@@ -7,7 +7,7 @@ USAGE:
    lotus-miner [global options] command [command options] [arguments...]
 
 VERSION:
-   1.13.1-rc1
+   1.13.1-rc2
 
 COMMANDS:
    init     Initialize a lotus miner repo
diff --git a/documentation/en/cli-lotus-worker.md b/documentation/en/cli-lotus-worker.md
index 60407ba02..0bfd9fa6c 100644
--- a/documentation/en/cli-lotus-worker.md
+++ b/documentation/en/cli-lotus-worker.md
@@ -7,7 +7,7 @@ USAGE:
    lotus-worker [global options] command [command options] [arguments...]
 
 VERSION:
-   1.13.1-rc1
+   1.13.1-rc2
 
 COMMANDS:
    run         Start lotus worker
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index 40add5a03..db68f06e4 100644
--- a/documentation/en/cli-lotus.md
+++ b/documentation/en/cli-lotus.md
@@ -7,7 +7,7 @@ USAGE:
    lotus [global options] command [command options] [arguments...]
 
 VERSION:
-   1.13.1-rc1
+   1.13.1-rc2
 
 COMMANDS:
    daemon   Start a lotus daemon process
diff --git a/go.mod b/go.mod
index 5f0f954a1..b44eb9835 100644
--- a/go.mod
+++ b/go.mod
@@ -113,7 +113,7 @@ require (
 	github.com/libp2p/go-libp2p-mplex v0.4.1
 	github.com/libp2p/go-libp2p-noise v0.2.2
 	github.com/libp2p/go-libp2p-peerstore v0.3.0
-	github.com/libp2p/go-libp2p-pubsub v0.5.4
+	github.com/libp2p/go-libp2p-pubsub v0.5.6
 	github.com/libp2p/go-libp2p-quic-transport v0.11.2
 	github.com/libp2p/go-libp2p-record v0.1.3
 	github.com/libp2p/go-libp2p-routing-helpers v0.2.3
diff --git a/go.sum b/go.sum
index 95320beba..2997154ac 100644
--- a/go.sum
+++ b/go.sum
@@ -1159,8 +1159,8 @@ github.com/libp2p/go-libp2p-protocol v0.0.1/go.mod h1:Af9n4PiruirSDjHycM1QuiMi/1
 github.com/libp2p/go-libp2p-protocol v0.1.0/go.mod h1:KQPHpAabB57XQxGrXCNvbL6UEXfQqUgC/1adR2Xtflk=
 github.com/libp2p/go-libp2p-pubsub v0.1.1/go.mod h1:ZwlKzRSe1eGvSIdU5bD7+8RZN/Uzw0t1Bp9R1znpR/Q=
 github.com/libp2p/go-libp2p-pubsub v0.3.2-0.20200527132641-c0712c6e92cf/go.mod h1:TxPOBuo1FPdsTjFnv+FGZbNbWYsp74Culx+4ViQpato=
-github.com/libp2p/go-libp2p-pubsub v0.5.4 h1:rHl9/Xok4zX3zgi0pg0XnUj9Xj2OeXO8oTu85q2+YA8=
-github.com/libp2p/go-libp2p-pubsub v0.5.4/go.mod h1:gVOzwebXVdSMDQBTfH8ACO5EJ4SQrvsHqCmYsCZpD0E=
+github.com/libp2p/go-libp2p-pubsub v0.5.6 h1:YkO3gG9J1mQBEMRrM5obiG3JD0L8RcrzIpoeLeiYqH8=
+github.com/libp2p/go-libp2p-pubsub v0.5.6/go.mod h1:gVOzwebXVdSMDQBTfH8ACO5EJ4SQrvsHqCmYsCZpD0E=
 github.com/libp2p/go-libp2p-quic-transport v0.1.1/go.mod h1:wqG/jzhF3Pu2NrhJEvE+IE0NTHNXslOPn9JQzyCAxzU=
 github.com/libp2p/go-libp2p-quic-transport v0.5.0/go.mod h1:IEcuC5MLxvZ5KuHKjRu+dr3LjCT1Be3rcD/4d8JrX8M=
 github.com/libp2p/go-libp2p-quic-transport v0.10.0/go.mod h1:RfJbZ8IqXIhxBRm5hqUEJqjiiY8xmEuq3HUDS993MkA=