diff --git a/package-lock.json b/package-lock.json
index 7c2794e..85c47af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -219,12 +219,6 @@
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     },
-    "commander": {
-      "version": "2.20.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
-      "optional": true
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       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -790,14 +784,15 @@
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-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
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@@ -1192,9 +1187,9 @@
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-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-      "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
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@@ -1303,9 +1298,9 @@
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     },
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-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz",
-      "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA=="
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
     },
     "nice-try": {
       "version": "1.0.5",
@@ -1386,15 +1381,6 @@
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       }
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-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -1950,14 +1936,10 @@
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     "uglify-js": {
-      "version": "3.5.5",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.5.5.tgz",
-      "integrity": "sha512-e58FqZzPwaLODQetDQKlvErZaGkh1UmzP8YwU0aG65NLourKNtwVyDG8tkIyUU0vqWzxaikSvTaxrCSscmvqvQ==",
-      "optional": true,
-      "requires": {
-        "commander": "~2.20.0",
-        "source-map": "~0.6.1"
-      }
+      "version": "3.13.5",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.5.tgz",
+      "integrity": "sha512-xtB8yEqIkn7zmOyS2zUNBsYCBRhDkvlNxMMY2smuJ/qA8NCHeQvKCF3i9Z4k8FJH4+PJvZRtMrPynfZ75+CSZw==",
+      "optional": true
     },
     "unpipe": {
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@@ -2011,9 +1993,9 @@
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     "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus="
     },
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diff --git a/package.json b/package.json
index 6fb65c4..8fe8d8e 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "bcryptjs": "^2.4.3",
     "express": "^4.16.4",
     "fs": "0.0.1-security",
-    "handlebars": "^4.1.2",
+    "handlebars": "^4.7.7",
     "jsonwebtoken": "^8.5.1",
     "mongoose": "^5.7.5",
     "nodemailer": "^6.1.0",