diff --git a/base/pkg_version.go b/base/pkg_version.go
index 5379457..d924967 100644
--- a/base/pkg_version.go
+++ b/base/pkg_version.go
@@ -1,6 +1,10 @@
 package base
 
 import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
 	"git.fsdpf.net/go/contracts"
 	"github.com/samber/do"
 )
@@ -19,6 +23,22 @@ type PkgVersion struct {
 	CreatedAt         string   `db:"created_at"`
 }
 
+func (this PkgVersion) GetFilePath(prefix ...string) string {
+	return filepath.Join(
+		filepath.Join(prefix...),
+		this.Platform,
+		strings.Replace(this.FileName, ".", fmt.Sprintf("-%s.", this.Hash), 1),
+	)
+}
+
+func (this PkgVersion) GetSourceMapPath(prefix ...string) string {
+	return filepath.Join(
+		filepath.Join(prefix...),
+		this.Platform,
+		strings.Replace(this.SourceMapFileName, ".", fmt.Sprintf("-%s.", this.Hash), 1),
+	)
+}
+
 func (this PkgVersion) GetFile(app *do.Injector) ([]byte, error) {
 	if this.Id == 0 {
 		return nil, contracts.ErrPkgUnknown