diff --git a/package-lock.json b/package-lock.json
index 2208150..c3bc399 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,7 +44,7 @@
     },
     "acorn": {
       "version": "2.7.0",
-      "resolved": "http://registry.npmjs.org/acorn/-/acorn-2.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-2.7.0.tgz",
       "integrity": "sha1-q259nYhqrKiwhbwzEreaGYQz8Oc=",
       "optional": true
     },
@@ -109,7 +109,7 @@
       "dependencies": {
         "promise": {
           "version": "7.1.1",
-          "resolved": "http://registry.npmjs.org/promise/-/promise-7.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/promise/-/promise-7.1.1.tgz",
           "integrity": "sha1-SJZUxpJha4qlWwck+oCbt9tJxb8=",
           "requires": {
             "asap": "~2.0.3"
@@ -226,14 +226,6 @@
       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c="
     },
-    "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "requires": {
-        "lodash": "^4.17.10"
-      }
-    },
     "async-each": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.1.tgz",
@@ -593,7 +585,7 @@
     },
     "commander": {
       "version": "2.9.0",
-      "resolved": "http://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
       "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
       "requires": {
         "graceful-readlink": ">= 1.0.0"
@@ -1578,7 +1570,7 @@
       "dependencies": {
         "combined-stream": {
           "version": "1.0.6",
-          "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
           "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
           "requires": {
             "delayed-stream": "~1.0.0"
@@ -2205,11 +2197,11 @@
       "integrity": "sha1-TK+tdrxi8C+gObL5Tpo906ORpyU="
     },
     "handlebars": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.12.tgz",
-      "integrity": "sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.3.0.tgz",
+      "integrity": "sha512-7XlnO8yBXOdi7AzowjZssQr47Ctidqm7GbgARapOaqSN9HQhlClnOkR9HieGauIT3A8MBC6u9wPCXs97PCYpWg==",
       "requires": {
-        "async": "^2.5.0",
+        "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
         "source-map": "^0.6.1",
         "uglify-js": "^3.1.4"
@@ -2293,7 +2285,7 @@
     },
     "http-errors": {
       "version": "1.6.3",
-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
       "requires": {
         "depd": "~1.1.2",
@@ -2963,6 +2955,11 @@
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
       "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=="
+    },
     "next-tick": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/next-tick/-/next-tick-1.0.0.tgz",
@@ -4127,19 +4124,19 @@
       }
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     "uglify-js": {
-      "version": "3.4.9",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.4.9.tgz",
-      "integrity": "sha512-8CJsbKOtEbnJsTyv6LE6m6ZKniqMiFWmm9sRbopbkGs3gMPPfd3Fh8iIA4Ykv5MgaTbqHr4BaoGLJLZNhsrW1Q==",
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.2.tgz",
+      "integrity": "sha512-uhRwZcANNWVLrxLfNFEdltoPNhECUR3lc+UdJoG9CBpMcSnKyWA94tc3eAujB1GcMY5Uwq8ZMp4qWpxWYDQmaA==",
       "optional": true,
       "requires": {
-        "commander": "~2.17.1",
+        "commander": "~2.20.3",
         "source-map": "~0.6.1"
       },
       "dependencies": {
         "commander": {
-          "version": "2.17.1",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
-          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
+          "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
         }
       }
diff --git a/package.json b/package.json
index 79133fc..1c546b2 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "follow-redirects": "^1.6.1",
     "fs": "0.0.1-security",
     "graceful-fs": "^4.1.3",
-    "handlebars": "^4.0.12",
+    "handlebars": "^4.3.0",
     "has-bom": "^0.1.0",
     "http-status": "^0.2.2",
     "jsonschema": "^1.2.4",