diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7318b92b0..70445d597 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,10 @@
 # Lotus changelog
 
-# 1.18.0-rc4 / 2022-10-20
+# 1.18.0-rc5 / 2022-11-1
 
 > ⚠️ **Please note that from Lotus v1.17.2&^ will require a Go-version of v1.18.1&^**
 
-This is the fourth release canadiate of the upcoming MANDATORY release of Lotus that introduces [Filecoin network v17,
+This is the fifth release canadiate of the upcoming MANDATORY release of Lotus that introduces [Filecoin network v17,
 codenamed the Shark upgrade](https://github.com/filecoin-project/community/discussions/74?sort=top#discussioncomment-3825422). Shark upgrade delivers a wave of protocol refinements that will allow for useful smart contracts to be written using the FVM (eg. programmable markets, lending contracts, etc.).
 
 A full changelog will be published upon final release.
@@ -22,7 +22,7 @@ The Shark upgrade introduces the following FIPs, delivered in [actors v9](https:
   
 ## Calibration-net Upgrade
 
-This release candidate sets the calibration-net upgrade at epoch 1407374, 2022-10-20T16:00:07Z. The bundle the network will be using is [v9.0.1](https://github.com/filecoin-project/builtin-actors/releases/tag/v9.0.1)(located at `build/actors/v9.tar.zst` ). Upon the migration, the manifest CID should be `bafy2bzacec6w6i72o5tuhyrx4yy3o75vcgzhz7y3ht3lpw6xn43lv2jirxiww`.
+This release candidate sets the calibration-net upgrade at epoch 16800. The bundle the network will be using is [v9.0.3](https://github.com/filecoin-project/builtin-actors/releases/tag/v9.0.3)(located at `build/actors/v9.tar.zst` ). Upon the migration, the manifest CID should be `bafy2bzacedbedgynklc4dgpyxippkxmba2mgtw7ecntoneclsvvl4klqwuyyy`.
 
 ## Snapshots
 
diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index 681d19e4c..18160ad61 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/build/openrpc/gateway.json.gz b/build/openrpc/gateway.json.gz
index 824e64c4e..c8aad31fc 100644
Binary files a/build/openrpc/gateway.json.gz and b/build/openrpc/gateway.json.gz differ
diff --git a/build/openrpc/miner.json.gz b/build/openrpc/miner.json.gz
index 897b3898e..ad282060d 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 1458ae3e4..cb63bf22d 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 19eebd0fe..15d31bf8e 100644
--- a/build/version.go
+++ b/build/version.go
@@ -37,7 +37,7 @@ func BuildTypeString() string {
 }
 
 // BuildVersion is the local build version
-const BuildVersion = "1.18.0-rc4"
+const BuildVersion = "1.18.0-rc5"
 
 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 56bfe9093..388df6487 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:
-   1.18.0-rc4
+   1.18.0-rc5
 
 COMMANDS:
    init     Initialize a lotus miner repo
diff --git a/documentation/en/cli-lotus-worker.md b/documentation/en/cli-lotus-worker.md
index c6a19e999..4f3198c50 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:
-   1.18.0-rc4
+   1.18.0-rc5
 
 COMMANDS:
    run         Start lotus worker
diff --git a/documentation/en/cli-lotus.md b/documentation/en/cli-lotus.md
index af8e51022..4ebc53197 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:
-   1.18.0-rc4
+   1.18.0-rc5
 
 COMMANDS:
    daemon   Start a lotus daemon process