diff --git a/package.json b/package.json
index a3dadc9..09e0e30 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mx-connect",
-    "version": "1.4.3",
+    "version": "1.4.4",
     "description": "Establish TCP connection to a MX server",
     "main": "lib/mx-connect.js",
     "scripts": {
@@ -23,14 +23,14 @@
     "homepage": "https://github.com/zone-eu/mx-connect#readme",
     "devDependencies": {
         "eslint-config-nodemailer": "1.2.0",
-        "eslint-config-prettier": "8.7.0",
+        "eslint-config-prettier": "8.8.0",
         "grunt": "1.6.1",
         "grunt-cli": "1.4.3",
-        "grunt-contrib-nodeunit": "4.0.0",
-        "grunt-eslint": "24.0.1"
+        "grunt-contrib-nodeunit": "5.0.0",
+        "grunt-eslint": "24.1.0"
     },
     "dependencies": {
         "ipaddr.js": "2.0.1",
-        "mailauth": "4.3.1"
+        "mailauth": "4.3.4"
     }
 }
diff --git a/test/mx-connect-test.js b/test/mx-connect-test.js
index afb640e..accabf2 100644
--- a/test/mx-connect-test.js
+++ b/test/mx-connect-test.js
@@ -2,7 +2,6 @@
 
 'use strict';
 
-const dns = require('dns');
 const mxConnect = require('../lib/mx-connect');
 
 module.exports.basic = test => {
@@ -61,14 +60,10 @@ module.exports.policyFail = test => {
             ]
         },
         (err, connection) => {
-            test.ifError(err);
-            test.ok(connection.socket);
-
-            test.equal(connection.policyMatch.valid, false);
-            test.equal(connection.policyMatch.testing, true);
-
-            connection.socket.once('end', () => test.done());
-            connection.socket.once('data', () => connection.socket.end());
+            test.ok(err);
+            test.ok(!connection);
+            test.equal(err.category, 'policy');
+            test.done();
         }
     );
 };
@@ -95,7 +90,9 @@ module.exports.policySkip = test => {
 
             test.ok(!connection.policyMatch);
 
-            connection.socket.once('end', () => test.done());
+            connection.socket.once('end', () => {
+                test.done();
+            });
             connection.socket.once('data', () => connection.socket.end());
         }
     );