diff --git a/package.json b/package.json
index c387d2b53..66f9f9562 100644
--- a/package.json
+++ b/package.json
@@ -36,17 +36,17 @@
     "lint": "tslint src/**/*.ts",
     "install": "node scripts/install.js",
     "postinstall": "node scripts/post-install.js",
-    "test": "cross-env NODE_ENV=test mocha -R spec lib/*.test.js",
+    "test": "cross-env NODE_ENV=test mocha -R spec --exit lib/*.test.js",
     "prepublish": "npm run tsc"
   },
   "dependencies": {
     "nan": "^2.6.2"
   },
   "devDependencies": {
-    "@types/mocha": "^2.2.41",
-    "@types/node": "^6.0.58",
-    "cross-env": "^3.2.4",
-    "mocha": "^3.1.2",
+    "@types/mocha": "^5.0.0",
+    "@types/node": "^6.0.104",
+    "cross-env": "^5.1.4",
+    "mocha": "^5.0.5",
     "pollUntil": "^1.0.3",
     "tslint": "^5.9.1",
     "typescript": "^2.8.1"