diff --git a/build/openrpc/full.json b/build/openrpc/full.json
index 7dc3a43e8d9..57af0efd428 100644
--- a/build/openrpc/full.json
+++ b/build/openrpc/full.json
@@ -2,7 +2,7 @@
     "openrpc": "1.2.6",
     "info": {
         "title": "Lotus RPC API",
-        "version": "1.30.1-dev"
+        "version": "1.31.0-rc1"
     },
     "methods": [
         {
diff --git a/build/openrpc/gateway.json b/build/openrpc/gateway.json
index 29e14386a11..9252f782e39 100644
--- a/build/openrpc/gateway.json
+++ b/build/openrpc/gateway.json
@@ -2,7 +2,7 @@
     "openrpc": "1.2.6",
     "info": {
         "title": "Lotus RPC API",
-        "version": "1.30.1-dev"
+        "version": "1.31.0-rc1"
     },
     "methods": [
         {
diff --git a/build/openrpc/miner.json b/build/openrpc/miner.json
index 9bffe335a8e..20155c4ec93 100644
--- a/build/openrpc/miner.json
+++ b/build/openrpc/miner.json
@@ -2,7 +2,7 @@
     "openrpc": "1.2.6",
     "info": {
         "title": "Lotus RPC API",
-        "version": "1.30.1-dev"
+        "version": "1.31.0-rc1"
     },
     "methods": [
         {
diff --git a/build/openrpc/worker.json b/build/openrpc/worker.json
index 2ee6fcfd3a9..81565e5f10c 100644
--- a/build/openrpc/worker.json
+++ b/build/openrpc/worker.json
@@ -2,7 +2,7 @@
     "openrpc": "1.2.6",
     "info": {
         "title": "Lotus RPC API",
-        "version": "1.30.1-dev"
+        "version": "1.31.0-rc1"
     },
     "methods": [
         {
diff --git a/build/version.go b/build/version.go
index b23d33c9dab..a941ddef50d 100644
--- a/build/version.go
+++ b/build/version.go
@@ -7,7 +7,7 @@ import (
 )
 
 // NodeBuildVersion is the local build version of the Lotus daemon
-const NodeBuildVersion string = "1.30.1-dev"
+const NodeBuildVersion string = "1.31.0-rc1"
 
 func NodeUserVersion() BuildVersion {
 	if os.Getenv("LOTUS_VERSION_IGNORE_COMMIT") == "1" {
@@ -18,7 +18,7 @@ func NodeUserVersion() BuildVersion {
 }
 
 // MinerBuildVersion is the local build version of the Lotus miner
-const MinerBuildVersion = "1.30.1-dev"
+const MinerBuildVersion = "1.31.0-rc1"
 
 func MinerUserVersion() BuildVersion {
 	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 727ea474449..bf13df1cbb1 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:
-   1.30.1-dev
+   1.31.0-rc1
 
 COMMANDS:
    init          Initialize a lotus miner repo
diff --git a/documentation/en/cli-lotus-worker.md b/documentation/en/cli-lotus-worker.md
index f1586a56861..a6dd2c3e32c 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:
-   1.30.1-dev
+   1.31.0-rc1
 
 COMMANDS:
    run        Start lotus worker
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index 9dc5c6c944d..a6e5b701225 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:
-   1.30.1-dev
+   1.31.0-rc1
 
 COMMANDS:
    daemon   Start a lotus daemon process