diff --git a/package.json b/package.json
index 6b108c6..116a98b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "ava": "^0.18.0",
-    "codecov": "^1.0.1",
+    "codecov": "^3.6.5",
     "coveralls": "^2.11.16",
     "eslint": "^4.2.0",
     "eslint-config-think": "^1.0.1",