diff --git a/install/package.json b/install/package.json
index 65e0e6c0a8..79e83b3749 100644
--- a/install/package.json
+++ b/install/package.json
@@ -172,7 +172,7 @@
         "mocha-lcov-reporter": "1.3.0",
         "mockdate": "3.0.5",
         "nyc": "17.1.0",
-        "smtp-server": "3.13.5"
+        "smtp-server": "3.13.6"
     },
     "optionalDependencies": {
         "sass-embedded": "1.79.5"