diff --git a/pack.php b/pack.php
index 8382271..6790179 100644
--- a/pack.php
+++ b/pack.php
@@ -134,4 +134,6 @@ fwrite($output_stream, "__halt_compiler();");
 // Write the extra data
 stream_copy_to_stream($archive_stream, $output_stream);
 
+// Cleanup
+unlink($temp_filename);
 ?>