diff --git a/package.json b/package.json
index d4ae2196..08c1e6af 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
         "grunt-lint-inline": "^1.0.0",
         "grunt-simple-mocha": "^0.4.1",
         "imap": "^0.8.19",
-        "mailparser": "^2.8.1",
+        "mailparser": "^3.0.0",
         "markdown-it": "^11.0.0",
         "mocha": "~6.2.3",
         "msgpack-lite": "^0.1.26",
@@ -48,13 +48,14 @@
         "ngeohash": "^0.6.3",
         "node-red": "^1.1.3",
         "node-red-node-test-helper": "~0.2.5",
-        "nodemailer": "^6.4.11",
+        "nodemailer": "^6.4.10",
         "poplib": "^0.1.7",
         "proxyquire": "^2.1.3",
         "pushbullet": "^2.4.0",
         "sentiment": "^2.1.0",
         "should": "^13.2.3",
         "sinon": "~7.5.0",
+        "smtp-server": "^3.7.0",
         "supertest": "^4.0.2",
         "when": "^3.7.8"
     },