diff --git a/CHANGELOG.md b/CHANGELOG.md
index c48a15f02..07c91bea7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Lotus changelog
 
+# 1.5.3-rc2 / 2021-03-17
+
+This is the second release candidate for Lotus 1.5.3, which introduces small fixes to the Storage FSM.
+
+## Changes 
+
+- storagefsm: Fix double unlock with ready WaitDeals sectors (https://github.com/filecoin-project/lotus/pull/5783)
+- backupds: Allow larger values in write log (https://github.com/filecoin-project/lotus/pull/5776)
+- storagefsm: Don't log the SectorRestart event (https://github.com/filecoin-project/lotus/pull/5779)
+
 # 1.5.2 / 2021-03-11
 
 This is an hotfix release of Lotus that fixes a critical bug introduced in v1.5.1 in the miner windowPoSt logic. This upgrade is only affecting miner nodes.
diff --git a/build/version.go b/build/version.go
index 7f7ab87fd..311c3469a 100644
--- a/build/version.go
+++ b/build/version.go
@@ -29,7 +29,7 @@ func buildType() string {
 }
 
 // BuildVersion is the local build version, set by build system
-const BuildVersion = "1.5.2"
+const BuildVersion = "1.5.3-rc2"
 
 func UserVersion() string {
 	return BuildVersion + buildType() + CurrentCommit