diff --git a/package-lock.json b/package-lock.json
index 1b8b719..380fe8d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,15 +5,28 @@
   "requires": true,
   "dependencies": {
     "commander": {
-      "version": "2.20.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
       "optional": true
     },
+    "ejs": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.7.4.tgz",
+      "integrity": "sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA=="
+    },
+    "express-ejs-extend": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/express-ejs-extend/-/express-ejs-extend-0.0.1.tgz",
+      "integrity": "sha1-TBHukXGYEvNKlwfFbTRCX+JLPvA=",
+      "requires": {
+        "ejs": ">=2.4.1"
+      }
+    },
     "handlebars": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
-      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.3.0.tgz",
+      "integrity": "sha512-7XlnO8yBXOdi7AzowjZssQr47Ctidqm7GbgARapOaqSN9HQhlClnOkR9HieGauIT3A8MBC6u9wPCXs97PCYpWg==",
       "requires": {
         "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
@@ -46,12 +59,12 @@
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "uglify-js": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.0.tgz",
-      "integrity": "sha512-W+jrUHJr3DXKhrsS7NUVxn3zqMOFn0hL/Ei6v0anCIMoKC93TjcflTagwIHLW7SfMFfiQuktQyFVCFHGUE0+yg==",
+      "version": "3.7.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.3.tgz",
+      "integrity": "sha512-7tINm46/3puUA4hCkKYo4Xdts+JDaVC9ZPRcG8Xw9R4nhO/gZgUM3TENq8IF4Vatk8qCig4MzP/c8G4u2BkVQg==",
       "optional": true,
       "requires": {
-        "commander": "~2.20.0",
+        "commander": "~2.20.3",
         "source-map": "~0.6.1"
       }
     },
diff --git a/package.json b/package.json
index 7112483..7d4fbbc 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,6 @@
   "dependencies": {
     "ejs": "^2.6.1",
     "express-ejs-extend": "^0.0.1",
-    "handlebars": "^4.1.2"
+    "handlebars": "^4.3.0"
   }
 }