diff --git a/kamimai.go b/kamimai.go
index 4d6e1db..6cea8d4 100644
--- a/kamimai.go
+++ b/kamimai.go
@@ -7,7 +7,7 @@ import (
 )
 
 // Version represents kamimai's semantic version.
-const Version = "v0.4.0"
+const Version = "v0.4.1"
 
 // Current returns the current migration version.
 func Current(c *core.Config) (uint64, error) {