diff --git a/composer.json b/composer.json
index d02f2b8..01f9131 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "loilo/fuse",
     "description": "Fuzzy search for PHP based on Bitap algorithm",
     "type": "library",
-    "version": "3.6.1",
+    "version": "4.0.0",
     "license": "Apache-2.0",
     "authors": [
         {