diff --git a/version.go b/version.go
index 73a473308a5..0ce1396d0fb 100644
--- a/version.go
+++ b/version.go
@@ -4,6 +4,6 @@ package ipfs
 var CurrentCommit string
 
 // CurrentVersionNumber is the current application's version literal
-const CurrentVersionNumber = "0.4.21-rc1"
+const CurrentVersionNumber = "0.4.21-rc2"
 
 const ApiVersion = "/go-ipfs/" + CurrentVersionNumber + "/"