diff --git a/package-lock.json b/package-lock.json
index 4254cb1..90e38d5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "macaroon",
-  "version": "3.0.4",
+  "version": "3.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -136,15 +136,6 @@
       "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0=",
       "dev": true
     },
-    "async": {
-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.10"
-      }
-    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -170,7 +161,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -189,7 +180,7 @@
         },
         "strip-ansi": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
           "requires": {
@@ -831,12 +822,12 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.12.tgz",
-      "integrity": "sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==",
+      "version": "4.5.3",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.3.tgz",
+      "integrity": "sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
+        "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
         "source-map": "^0.6.1",
         "uglify-js": "^3.1.4"
@@ -1244,6 +1235,12 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "neo-async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+      "dev": true
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -1573,7 +1570,7 @@
       "dependencies": {
         "acorn-jsx": {
           "version": "3.0.1",
-          "resolved": "http://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
           "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
           "dev": true,
           "requires": {
@@ -1582,7 +1579,7 @@
           "dependencies": {
             "acorn": {
               "version": "3.3.0",
-              "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+              "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
               "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
               "dev": true
             }
@@ -1628,7 +1625,7 @@
         },
         "eslint": {
           "version": "4.19.1",
-          "resolved": "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
+          "resolved": "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
           "integrity": "sha512-bT3/1x1EbZB7phzYu7vCr1v3ONuzDtX8WjuM9c0iYxe+cq+pwcKEoQjl7zd3RpC6YOLgnSy3cTN58M2jcoPDIQ==",
           "dev": true,
           "requires": {
@@ -1694,7 +1691,7 @@
         },
         "external-editor": {
           "version": "2.2.0",
-          "resolved": "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
           "integrity": "sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==",
           "dev": true,
           "requires": {
@@ -1745,7 +1742,7 @@
         },
         "regexpp": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
           "integrity": "sha512-LOPw8FpgdQF9etWMaAfG/WRthIdXJGYp4mJ2Jgn/2lpkbod9jPn0t9UqN7AxBOKNfzRbYyVfgc7Vk4t/MpnXgw==",
           "dev": true
         },