diff --git a/package-lock.json b/package-lock.json
index 9a840d3..88b4ee5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "graph-data-structure",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "graph-data-structure",
-      "version": "4.0.0",
+      "version": "4.0.1",
       "license": "MIT",
       "devDependencies": {
         "@rollup/plugin-node-resolve": "15.3.0",
diff --git a/package.json b/package.json
index 48c75de..fdc1089 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graph-data-structure",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "A graph data structure with topological sort.",
   "author": "Curran Kelleher",
   "contributors": [