diff --git a/packages/xo-collection/package.json b/packages/xo-collection/package.json
index 8a90f9336..a3c1ee626 100644
--- a/packages/xo-collection/package.json
+++ b/packages/xo-collection/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xo-collection",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "license": "ISC",
   "description": "Generic in-memory collection with events",
   "keywords": [],