diff --git a/file.go b/file.go
index 86c7e54..2e89b93 100644
--- a/file.go
+++ b/file.go
@@ -27,6 +27,11 @@ type File struct {
 	modTime time.Time
 }
 
+// Rename modifies the file path relative to the source directory.
+func (file *File) Rename(path string) {
+	file.sourcePath = path
+}
+
 // Path returns the file path relative to the source directory.
 func (file *File) Path() string {
 	return file.sourcePath