diff --git a/package.json b/package.json
index 137d5bb05..668ac5df2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cubing",
-  "version": "0.53.8",
+  "version": "0.53.9-dev",
   "description": "A collection of JavaScript cubing libraries.",
   "author": "The js.cubing.net team",
   "type": "module",