diff --git a/package.json b/package.json
index 08983e1..41e03a0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ludus/ludus-js-pure",
-  "version": "0.1.0-alpha.4",
+  "version": "0.1.0-alpha.5",
   "description": "A Ludus interpreter in a pure JS function.",
   "main": "target/js/ludus.js",
   "directories": {},