diff --git a/package.json b/package.json
index 24de60d..970d2dd 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "jformatter": "~1.0.13",
     "jsdoc": "~3.4.0",
     "mocha": "~2.4.5",
-    "nyc": "~6.6.1",
+    "nyc": "~10.3.2",
     "phantomjs-prebuilt": "~2.1.9",
     "requirejs": "~2.2.0",
     "requirejs-text": "~2.0.12",