Bump dependencies

package.json

@@ -18,10 +18,10 @@
     "prepublishOnly": "npm run build"
   },
   "devDependencies": {
-    "@zeit/ncc": "^0.18.5",
+    "@zeit/ncc": "^0.20.4",
     "benchmark": "^2.1.4",
     "serve-marked": "^2.0.0",
     "standard": "^12.0.0",
-    "tap": "^14.2.2"
+    "tap": "^14.4.1"
   }
 }