diff --git a/package-lock.json b/package-lock.json
index e147659..ead6bb9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@toruslabs/starkware-crypto",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@toruslabs/starkware-crypto",
-      "version": "3.1.0",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "assert": "^2.1.0",
diff --git a/package.json b/package.json
index 2aeb024..657b59c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@toruslabs/starkware-crypto",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "Signatures, keys and Pedersen hash on STARK friendly elliptic curve",
   "main": "dist/lib.cjs/index.js",
   "types": "dist/types/index.d.ts",