diff --git a/src/Slugify.php b/src/Slugify.php
index bdeb54d1..c38bb891 100644
--- a/src/Slugify.php
+++ b/src/Slugify.php
@@ -26,7 +26,7 @@
  */
 class Slugify implements SlugifyInterface
 {
-    const LOWERCASE_NUMBERS_DASHES = '/([^A-Za-z0-9]|-)+/';
+    const LOWERCASE_NUMBERS_DASHES = '/[^A-Za-z0-9]+/';
 
     /**
      * @var array<string,string>