diff --git a/package-lock.json b/package-lock.json
index fd34056..a856c25 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4421,12 +4421,32 @@
       "integrity": "sha1-Dovf5NHduIVNZOBOp8AOKgJuVlg="
     },
     "handlebars": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-1.3.0.tgz",
-      "integrity": "sha1-npsTCpPjiUkTItl1zz7BgYw3zjQ=",
-      "requires": {
-        "optimist": "~0.3",
-        "uglify-js": "~2.3"
+      "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",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+        },
+        "neo-async": {
+          "version": "2.6.2",
+          "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
+          "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
+        }
       }
     },
     "handlebars-loader": {
@@ -6755,21 +6775,6 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "optimist": {
-      "version": "0.3.7",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.3.7.tgz",
-      "integrity": "sha1-yQlBrVnkJzMokjB00s8ufLxuwNk=",
-      "requires": {
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "wordwrap": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -9437,32 +9442,10 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "uglify-js": {
-      "version": "2.3.6",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.3.6.tgz",
-      "integrity": "sha1-+gmEdwtCi3qbKoBY9GNV0U/vIRo=",
-      "optional": true,
-      "requires": {
-        "async": "~0.2.6",
-        "optimist": "~0.3.5",
-        "source-map": "~0.1.7"
-      },
-      "dependencies": {
-        "async": {
-          "version": "0.2.10",
-          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
-          "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
-          "optional": true
-        },
-        "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "optional": true,
-          "requires": {
-            "amdefine": ">=0.0.4"
-          }
-        }
-      }
+      "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
     },
     "uglify-to-browserify": {
       "version": "1.0.2",
diff --git a/package.json b/package.json
index 5854812..36179d9 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "eslint-loader": "^1.9.0",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^0.11.2",
-    "handlebars": "^1.3.0",
+    "handlebars": "^4.7.7",
     "handlebars-loader": "^1.5.0",
     "html-webpack-plugin": "^2.30.1",
     "js-yaml": "^3.13.1",