diff --git a/package-lock.json b/package-lock.json
index 8484fdb..d3a73ba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@chainner/navi",
-  "version": "0.4.2",
+  "version": "0.5.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@chainner/navi",
-      "version": "0.4.2",
+      "version": "0.5.0",
       "license": "MIT",
       "devDependencies": {
         "@rollup/plugin-node-resolve": "^15.0.1",
diff --git a/package.json b/package.json
index f7feb7c..5604c21 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@chainner/navi",
-  "version": "0.4.2",
+  "version": "0.5.0",
   "description": "A set-theory based type system used in chaiNNer",
   "main": "./dist/main.js",
   "module": "./dist/module.mjs",