diff --git a/package.json b/package.json
index 863e860..0a1af96 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,8 @@
     "minimist": "0.0.8"
   },
   "devDependencies": {
-    "tap": "1",
-    "mock-fs": "2 >=2.7.0"
+    "mock-fs": "^3.7.0",
+    "tap": "^5.4.2"
   },
   "bin": "bin/cmd.js",
   "license": "MIT"
diff --git a/test/perm.js b/test/perm.js
index fbce44b..843a1ca 100644
--- a/test/perm.js
+++ b/test/perm.js
@@ -28,5 +28,4 @@ test('async root perm', function (t) {
         if (err) t.fail(err);
         t.end();
     });
-    t.end();
 });