diff --git a/package-lock.json b/package-lock.json
index 989db15..758ac6e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "lzwcompress",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 860fad5..d8b04c6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lzwcompress",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Lossless LZW compression/decompression implemented in JavaScript for strings/JSON/JS objects.",
   "main": "lzwCompress.js",
   "directories": {