diff --git a/bower.json b/bower.json
index 9047c72..df2f10c 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "PubSubJS",
-  "version": "1.3.10",
+  "version": "1.4.0",
   "main": "src/pubsub.js",
   "ignore": [
     "**/.*",
diff --git a/package.json b/package.json
index 3e3d115..66fd31f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pubsub-js",
-  "version": "1.3.10",
+  "version": "1.4.0",
   "description": "Dependency free publish/subscribe library",
   "main": "./src/pubsub.js",
   "directories": {