diff --git a/package-lock.json b/package-lock.json
index 350544e..445ab75 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "react-tetris",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "react-tetris",
-      "version": "0.3.0",
+      "version": "0.4.0",
       "license": "MIT",
       "dependencies": {
         "keymaster": "1.6.2"
diff --git a/package.json b/package.json
index 7ba3ed7..1c265be 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-tetris",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Embed a game of Tetris in your React app",
   "main": "lib/components/Tetris.js",
   "repository": {