diff --git a/package.json b/package.json
index c111539..4ee24d7 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "eslint-plugin-react": "^7.4.0",
     "mocha": "^5.2.0",
     "mocha-lcov-reporter": "^1.3.0",
-    "nyc": "^13.1.0"
+    "nyc": "^15.0.1"
   },
   "dependencies": {
     "linear-algebra": "^3.1.4"