diff --git a/package.json b/package.json
index 6273645..701be09 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "babel-loader": "^7.1.2",
     "babel-preset-es2015": "^6.24.1",
     "chai": "^4.1.2",
-    "codecov": "^2.3.0",
+    "codecov": "^3.7.1",
     "istanbul": "^0.4.5",
     "karma": "^1.7.1",
     "karma-chai": "^0.1.0",