diff --git a/package-lock.json b/package-lock.json
index 7c7809e..c7e824e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
     "name": "graph-data-structure",
-    "version": "1.15.0",
+    "version": "2.0.0",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
-            "version": "1.15.0",
+            "version": "2.0.0",
             "license": "MIT",
             "devDependencies": {
                 "@types/node": "^15.3.1",
diff --git a/package.json b/package.json
index db7e54d..729c11d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "graph-data-structure",
-    "version": "1.15.0",
+    "version": "2.0.0",
     "description": "A graph data structure with topological sort.",
     "main": "index.js",
     "files": [