diff --git a/src/package.json b/src/package.json
index 0030bd2..fd19306 100644
--- a/src/package.json
+++ b/src/package.json
@@ -14,7 +14,7 @@
     "compile": "gulp"
   },
   "devDependencies": {
-    "babel-preset-es2015": "^6.5.0",
+    "babel-preset-es2015": "^6.6.0",
     "basiccontext": "^3.5.1",
     "basicmodal": "^3.3.3",
     "gulp": "^3.9.1",