diff --git a/package.json b/package.json
index 2253317..2e56329 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "devDependencies": {
     "base64url": "^2.0.0",
     "coveralls": "^2.11.14",
-    "nyc": "^9.0.1",
+    "nyc": "^10.0.0",
     "semantic-release": "^6.3.1",
     "simple-mock": "^0.7.0",
     "standard": "^8.4.0",