diff --git a/package.json b/package.json
index ac680fcc5..3a0a45c48 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "babel-preset-es2017": "6.22.0",
     "chai": "3.5.0",
-    "cross-env": "3.2.4",
+    "cross-env": "4.0.0",
     "fakefile": "0.0.8",
     "fs-promise": "2.0.2",
     "fx-runner": "1.0.6",