diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index ffa559e..45f675e 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1250,11 +1250,6 @@
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-      "resolved": "https://registry.npmjs.org/addressparser/-/addressparser-0.3.2.tgz",
-      "integrity": "sha1-WYc/Nej89sc2HBAjkmHXbhU0i7I="
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@@ -1999,29 +1994,6 @@
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       "dev": true
     },
-    "buildmail": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/buildmail/-/buildmail-2.0.0.tgz",
-      "integrity": "sha1-8LewpZ6aShtQZrv6BR0kjzgy7s4=",
-      "requires": {
-        "addressparser": "^0.3.2",
-        "libbase64": "^0.1.0",
-        "libmime": "^1.2.0",
-        "libqp": "^1.1.0",
-        "needle": "^0.10.0"
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-          "version": "0.10.0",
-          "resolved": "https://registry.npmjs.org/needle/-/needle-0.10.0.tgz",
-          "integrity": "sha1-FqJNY/KmEVLrdMzh0Sr4XFB1d9Q=",
-          "requires": {
-            "debug": "^2.1.2",
-            "iconv-lite": "^0.4.4"
-          }
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-      }
-    },
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       "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
@@ -2663,11 +2635,6 @@
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-      "resolved": "https://registry.npmjs.org/clone/-/clone-1.0.4.tgz",
-      "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4="
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       "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-2.0.2.tgz",
@@ -7889,26 +7856,6 @@
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-    "libbase64": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/libbase64/-/libbase64-0.1.0.tgz",
-      "integrity": "sha1-YjUag5VjrF/1vSbxL2Dpgwu3UeY="
-    },
-    "libmime": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/libmime/-/libmime-1.2.0.tgz",
-      "integrity": "sha1-jYS087Ils3BEECNu9JSQZDa6dCs=",
-      "requires": {
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-        "libbase64": "^0.1.0",
-        "libqp": "^1.1.0"
-      }
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-    "libqp": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/libqp/-/libqp-1.1.0.tgz",
-      "integrity": "sha1-9ebgatdLeU+1tbZpiL9yjvHe2+g="
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       "resolved": "https://registry.npmjs.org/lie/-/lie-3.3.0.tgz",
@@ -8094,15 +8041,6 @@
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       "dev": true
     },
-    "mailcomposer": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/mailcomposer/-/mailcomposer-2.1.0.tgz",
-      "integrity": "sha1-plMYIomWFP7omckiJtgeK5y7GD0=",
-      "requires": {
-        "buildmail": "^2.0.0",
-        "libmime": "^1.2.0"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz",
@@ -8812,15 +8750,6 @@
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       "optional": true
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-    "needle": {
-      "version": "0.11.0",
-      "resolved": "https://registry.npmjs.org/needle/-/needle-0.11.0.tgz",
-      "integrity": "sha1-AqcbAI6vfVWuifuf12hbe4jXvCk=",
-      "requires": {
-        "debug": "^2.1.2",
-        "iconv-lite": "^0.4.4"
-      }
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       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
@@ -9284,39 +9213,9 @@
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-      "version": "1.11.0",
-      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-1.11.0.tgz",
-      "integrity": "sha1-TmnLObAwFbHR7wx4qBVBK56Xb3k=",
-      "requires": {
-        "libmime": "^1.2.0",
-        "mailcomposer": "^2.1.0",
-        "needle": "^0.11.0",
-        "nodemailer-direct-transport": "^1.1.0",
-        "nodemailer-smtp-transport": "^1.1.0"
-      }
-    },
-    "nodemailer-direct-transport": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/nodemailer-direct-transport/-/nodemailer-direct-transport-1.1.0.tgz",
-      "integrity": "sha1-oveHCO5vFuoFc/yClJ0Tj/Fy9iQ=",
-      "requires": {
-        "smtp-connection": "^1.3.1"
-      }
-    },
-    "nodemailer-smtp-transport": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/nodemailer-smtp-transport/-/nodemailer-smtp-transport-1.1.0.tgz",
-      "integrity": "sha1-5sN/MYhaswgOfe089SjErX5pE5g=",
-      "requires": {
-        "clone": "^1.0.2",
-        "nodemailer-wellknown": "^0.1.7",
-        "smtp-connection": "^1.3.7"
-      }
-    },
-    "nodemailer-wellknown": {
-      "version": "0.1.10",
-      "resolved": "https://registry.npmjs.org/nodemailer-wellknown/-/nodemailer-wellknown-0.1.10.tgz",
-      "integrity": "sha1-WG24EB2zDLRDjrVGc3pBqtDPE9U="
+      "version": "6.4.3",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-6.4.3.tgz",
+      "integrity": "sha512-zmx4MTzYWQo2abFexvFYVURaiBGLekoA/yjP2Ctigd82hYtC4n38pcphQBi805t7AB2sY6DwmxnP/tb77f3KHA=="
     },
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@@ -14559,11 +14458,6 @@
       "resolved": "https://registry.npmjs.org/sliced/-/sliced-0.0.3.tgz",
       "integrity": "sha1-TwusIXHrFxYsO6bfgfXPBA98flA="
     },
-    "smtp-connection": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/smtp-connection/-/smtp-connection-1.3.8.tgz",
-      "integrity": "sha1-VYMsIWDPswhuHc2H/RwZ+mG39TY="
-    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
diff --git a/package.json b/package.json
index 612333f..194cdb1 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "mongoose-type-email": "^1.0.5",
     "mongoose-types": "^1.0.3",
     "mongoose-unique-validator": "^0.4.1",
-    "nodemailer": "^1.3.2",
+    "nodemailer": "^6.4.3",
     "passport": "^0.2.1",
     "passport-local": "^1.0.0",
     "semver": "^5.0.1",