diff --git a/package-lock.json b/package-lock.json
index 412f5ec..9bd2ec4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -423,12 +423,6 @@
         "delayed-stream": "~1.0.0"
       }
     },
-    "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
-    },
     "component-emitter": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.1.tgz",
@@ -1043,7 +1037,7 @@
     "foreachasync": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/foreachasync/-/foreachasync-3.0.0.tgz",
-      "integrity": "sha1-VQKYfchxS+M5IJfzLgBxyd7gfPY="
+      "integrity": "sha512-J+ler7Ta54FwwNcx6wQRDhTIbNeyDcARMkOcguEqnEdtm0jKvN3Li3PDAb2Du3ubJYEWfYL83XMROXdsXAXycw=="
     },
     "forever-agent": {
       "version": "0.6.1",
@@ -1130,14 +1124,15 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.3.3",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.3.3.tgz",
-      "integrity": "sha512-VupOxR91xcGojfINrzMqrvlyYbBs39sXIrWa7YdaQWeBudOlvKEGvCczMfJPgnuwHE/zyH1M6J+IUP6cgDVyxg==",
+      "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"
       }
     },
     "har-schema": {
@@ -1190,12 +1185,12 @@
       }
     },
     "hbs": {
-      "version": "4.0.5",
-      "resolved": "https://registry.npmjs.org/hbs/-/hbs-4.0.5.tgz",
-      "integrity": "sha512-lzyXY0HalmVqHyhty05cLoPqxY51gNnCI6cMlXiPbrIKvB3BTJh3waQ9de86x25jX9QhU/tkAojsOO4KB6vPfg==",
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/hbs/-/hbs-4.2.0.tgz",
+      "integrity": "sha512-dQwHnrfWlTk5PvG9+a45GYpg0VpX47ryKF8dULVd6DtwOE6TEcYQXQ5QM6nyOx/h7v3bvEQbdn19EDAcfUAgZg==",
       "requires": {
-        "handlebars": "4.3.3",
-        "walk": "2.3.14"
+        "handlebars": "4.7.7",
+        "walk": "2.3.15"
       }
     },
     "http-errors": {
@@ -1488,14 +1483,6 @@
       "dev": true,
       "requires": {
         "minimist": "^1.2.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "dev": true
-        }
       }
     },
     "jsprim": {
@@ -1621,9 +1608,9 @@
       }
     },
     "minimist": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-      "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
     },
     "mixin-deep": {
       "version": "1.3.2",
@@ -1645,20 +1632,12 @@
       }
     },
     "mkdirp": {
-      "version": "0.5.1",
-      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "version": "0.5.6",
+      "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
       "dev": true,
       "requires": {
-        "minimist": "0.0.8"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.8",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
-        }
+        "minimist": "^1.2.6"
       }
     },
     "morgan": {
@@ -1721,9 +1700,9 @@
       "integrity": "sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk="
     },
     "neo-async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
-      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw=="
+      "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",
@@ -1809,15 +1788,6 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "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"
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -2525,14 +2495,10 @@
       }
     },
     "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==",
-      "optional": true,
-      "requires": {
-        "commander": "~2.20.0",
-        "source-map": "~0.6.1"
-      }
+      "version": "3.17.4",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.17.4.tgz",
+      "integrity": "sha512-T9q82TJI9e/C1TAxYvfb16xO120tMVFZrGA3f9/P4424DNu6ypK103y0GPFVa17yotwSyZW5iYXgjYHkGrJW/g==",
+      "optional": true
     },
     "union-value": {
       "version": "1.0.1",
@@ -2630,9 +2596,9 @@
       }
     },
     "walk": {
-      "version": "2.3.14",
-      "resolved": "https://registry.npmjs.org/walk/-/walk-2.3.14.tgz",
-      "integrity": "sha512-5skcWAUmySj6hkBdH6B6+3ddMjVQYH5Qy9QGbPmN8kVmLteXk+yVXg+yfk1nbX30EYakahLrr8iPcCxJQSCBeg==",
+      "version": "2.3.15",
+      "resolved": "https://registry.npmjs.org/walk/-/walk-2.3.15.tgz",
+      "integrity": "sha512-4eRTBZljBfIISK1Vnt69Gvr2w/wc3U6Vtrw7qiN5iqYJPH7LElcYh/iU4XWhdCy2dZqv1ToMyYlybDylfG/5Vg==",
       "requires": {
         "foreachasync": "^3.0.0"
       }
@@ -2647,9 +2613,9 @@
       }
     },
     "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": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q=="
     },
     "wrappy": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index 33e7ffb..a9515ab 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
   "license": "MIT",
   "dependencies": {
     "express": "~4.16.4",
-    "hbs": "^4.0.5",
+    "hbs": "^4.2.0",
     "http-errors": "~1.6.2",
     "http-proxy-middleware": "^0.19.1",
     "morgan": "~1.9.0",