diff --git a/package-lock.json b/package-lock.json
index d1e8b54..f9a3c84 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@toruslabs/ffjavascript",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@toruslabs/ffjavascript",
-      "version": "3.0.0",
+      "version": "4.0.0",
       "license": "GPL-3.0",
       "devDependencies": {
         "@rollup/plugin-terser": "^0.4.3",
diff --git a/package.json b/package.json
index 1397295..54841bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@toruslabs/ffjavascript",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "Finite Field Library in Javascript",
   "main": "./build/lib.cjs/main.js",
   "module": "./build/lib.esm/main.js",