diff --git a/package-lock.json b/package-lock.json
index c4a43f343..d2ac329e0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1152,7 +1152,7 @@
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@@ -5433,7 +5433,7 @@
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-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-1.0.2.tgz",
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@@ -5568,7 +5568,7 @@
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-      "resolved": "http://registry.npmjs.org/gulp/-/gulp-3.9.1.tgz",
+      "resolved": "https://registry.npmjs.org/gulp/-/gulp-3.9.1.tgz",
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
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@@ -5610,7 +5610,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -5626,7 +5626,7 @@
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-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.4.2.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.4.2.tgz",
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@@ -5739,7 +5739,7 @@
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-          "resolved": "http://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-1.1.0.tgz",
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@@ -9490,7 +9490,7 @@
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-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
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@@ -10151,7 +10151,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
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@@ -10323,7 +10323,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
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@@ -10507,7 +10507,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz",
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@@ -10633,9 +10633,9 @@
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-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.7.0.tgz",
-      "integrity": "sha512-IludxDypFpYw4xpzKdMAozBSkzKHmNBvGanUREjJItgJ2NYcK/s8+PggVhj7c2yGFQykKsnnmv1+Aqo0ZfjHmw=="
+      "version": "6.4.16",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.16.tgz",
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@@ -11593,7 +11593,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
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@@ -12057,7 +12057,7 @@
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-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
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@@ -12664,7 +12664,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -14127,7 +14127,7 @@
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -15274,7 +15274,7 @@
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-          "resolved": "http://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
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@@ -15289,7 +15289,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
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@@ -15307,7 +15307,7 @@
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-          "resolved": "http://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
+          "resolved": "https://registry.npmjs.org/through2/-/through2-0.6.5.tgz",
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@@ -15583,7 +15583,7 @@
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-      "resolved": "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
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diff --git a/package.json b/package.json
index ac48b7fa5..7a452fa49 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
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     "mongoose": "^5.9.19",
     "morgan": "^1.10.0",
-    "nodemailer": "^4.7.0",
+    "nodemailer": "^6.4.16",
     "nodemailer-smtp-transport": "^2.7.4",
     "request": "^2.88.2",
     "showdown": "^1.9.1",