diff --git a/package.json b/package.json
index 3594d62..5085c77 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "ava": "^0.19.0",
     "bel": "^4.5.0",
     "coveralls": "^2.11.15",
-    "cross-env": "^4.0.0",
+    "cross-env": "^5.0.0",
     "nyc": "^10.0.0",
     "regenerate": "^1.3.2",
     "unicode-9.0.0": "^0.7.0"