diff --git a/package.json b/package.json
index dadefce..e2bf240 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mocha-gherkin",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "mocha-gherkin is a Gherkin-style interface and reporter add-on for mocha.",
   "keywords": [
     "mocha",
@@ -32,6 +32,7 @@
   },
   "devDependencies": {
     "babel-cli": "^6.2.0",
+    "babel-core": "^6.2.1",
     "babel-preset-es2015": "^6.1.18",
     "chai": "latest",
     "coveralls": "^2.11.4",