diff --git a/package-lock.json b/package-lock.json
index 2c919f5..d87284a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "graph-data-structure",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9c5edf5..b07b849 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "graph-data-structure",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "description": "A graph data structure with topological sort.",
   "main": "index.js",
   "files": [