[Release] Apache Arrow JavaScript 0.4.0
diff --git a/js/package.json b/js/package.json
index 22a1df9..a15cce11 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,5 +1,5 @@
 {
-  "version": "0.3.0",
+  "version": "0.4.0",
   "name": "apache-arrow",
   "description": "Apache Arrow columnar in-memory format",
   "main": "./index",