diff --git a/package.json b/package.json
index 58c0644..e450679 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "can-define",
-  "version": "2.5.8",
+  "version": "2.5.9",
   "description": "Create observable objects with JS dot operator compatibility",
   "main": "can-define.js",
   "scripts": {