diff --git a/internal/blueprint/customizations.go b/internal/blueprint/customizations.go
index 6a565fc62..df01411f6 100644
--- a/internal/blueprint/customizations.go
+++ b/internal/blueprint/customizations.go
@@ -74,6 +74,7 @@ type UserCustomization struct {
 	Groups      []string `json:"groups,omitempty" toml:"groups,omitempty"`
 	UID         *int     `json:"uid,omitempty" toml:"uid,omitempty"`
 	GID         *int     `json:"gid,omitempty" toml:"gid,omitempty"`
+	ExpireDate  *int     `json:"expiredate,omitempty" toml:"expiredate,omitempty"`
 }
 
 type GroupCustomization struct {