diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07f46b9eb..44402d55a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,8 @@
 # Lotus changelog
 
-# 1.15.3-rc1 / 2022-05-13
+# 1.15.3-rc2 / 2022-05-24
 
-This is the first rc of an optional release of lotus, detailed changelog will be updated later.
+This is the second rc of an optional release of lotus, detailed changelog will be updated later.
 
 - fix: Make deal making logs much less noisy ([filecoin-project/lotus#8622](https://github.com/filecoin-project/lotus/pull/8622))
 - chore: merge releases back into master ([filecoin-project/lotus#8638](https://github.com/filecoin-project/lotus/pull/8638))
diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index e9f5d5128..1265c36f4 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 d8c2fb871..095cad871 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 6a8c782a9..9906bc723 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 a951e46f2..8983aabe0 100644
--- a/build/version.go
+++ b/build/version.go
@@ -37,7 +37,7 @@ func BuildTypeString() string {
 }
 
 // BuildVersion is the local build version
-const BuildVersion = "1.15.3-rc1"
+const BuildVersion = "1.15.3-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 3925fd4a4..584ff974c 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:
-   1.15.3-rc1
+   1.15.3-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 3dcec8ea1..6dd4ea765 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:
-   1.15.3-rc1
+   1.15.3-rc2
 
 COMMANDS:
    run         Start lotus worker
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index 3baa83f90..653d8e7f1 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:
-   1.15.3-rc1
+   1.15.3-rc2
 
 COMMANDS:
    daemon   Start a lotus daemon process