diff --git a/package-lock.json b/package-lock.json
index fbfde60..5bda792 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "array-to-tree",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index f86bb7f..689a6f5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "array-to-tree",
-  "version": "3.0.0",
+  "version": "3.1.0",
   "description": "Convert a plain array of nodes (with pointers to parent nodes) to a tree",
   "main": "index.js",
   "scripts": {