diff --git a/package.json b/package.json
index 15712a1b..0ef84c6a 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.2.2",
-    "@babel/preset-env": "^7.2.0",
+    "@babel/preset-env": "^7.3.1",
     "ascjs": "^3.0.0",
     "basichtml": "^0.21.0",
     "coveralls": "^3.0.2",