diff --git a/src/PathPreserver.php b/src/PathPreserver.php
index 8cac857..fecf548 100644
--- a/src/PathPreserver.php
+++ b/src/PathPreserver.php
@@ -99,7 +99,7 @@ public function preserve()
                 continue;
             }
 
-            $unique = $installPath.' '.time();
+            $unique = $installPath.' '.uniqid('', true);
             $cacheRoot = $this->filesystem->normalizePath($this->cacheDir.'/preserve-paths/'.sha1($unique));
             $this->filesystem->ensureDirectoryExists($cacheRoot);