diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 770e646..80decd8 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,6 +1,6 @@
 {
   "name": "etheratom",
-  "version": "4.2.1",
+  "version": "4.3.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 87e5314..741b48f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "etheratom",
   "main": "./build/main.js",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "description": "Solidity compilation and Ethereum contract execution interface for hackable atom editor.",
   "keywords": [
     "ethereum",