diff --git a/package.json b/package.json
index d80fdef..462853d 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "ava": "^0.24.0",
     "coveralls": "^3.0.0",
-    "nyc": "^11.3.0",
+    "nyc": "^12.0.1",
     "prettier": "^1.9.0",
     "reshape-standard": "^3.1.0",
     "rimraf": "^2.6.1",