diff --git a/package.json b/package.json
index f0cf8dd..6438773 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@project-serum/serum",
-  "version": "0.6.3",
+  "version": "0.6.4",
   "description": "Library for interacting with the serum dex",
   "license": "MIT",
   "repository": "project-serum/serum-js",