diff --git a/package.json b/package.json
index aa6ebf7..400f658 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "devDependencies": {
     "request": "~2.72.0",
     "rimraf": "~2.5.2",
-    "tap": "~5.8.0"
+    "tap": "~6.3.0"
   },
   "scripts": {
     "test": "tap test/*.js test/cli/*-test.js"