diff --git a/package.json b/package.json
index 7901d47..e5a04ab 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "grpc": "^1.22.2"
   },
   "devDependencies": {
-    "@istanbuljs/nyc-config-typescript": "0.1.3",
+    "@istanbuljs/nyc-config-typescript": "1.0.1",
     "@types/chai": "4.1.7",
     "@types/chai-as-promised": "7.1.0",
     "@types/mocha": "5.2.7",