diff --git a/package-lock.json b/package-lock.json
index 6d511db..8594045 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -389,9 +389,9 @@
       }
     },
     "acorn": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ==",
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
       "dev": true
     },
     "acorn-es7-plugin": {
@@ -1589,14 +1589,6 @@
         }
       }
     },
-    "base32": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/base32/-/base32-0.0.6.tgz",
-      "integrity": "sha1-eQOLy1rsLY8ivMHChAKST1Cm0qw=",
-      "requires": {
-        "optimist": ">=0.1.0"
-      }
-    },
     "base64-arraybuffer": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.5.tgz",
@@ -4196,6 +4188,11 @@
         "upper-case": "^1.1.3"
       }
     },
+    "hi-base32": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/hi-base32/-/hi-base32-0.5.0.tgz",
+      "integrity": "sha512-DDRmxSyoYuvjUb9EnXdoiMChBZ7ZcUVJsK5Frd3kqMhuBxvmZdnBeynAVfj7/ECbn++CekcoprvC/rprHPAtow=="
+    },
     "home-or-tmp": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-2.0.0.tgz",
@@ -5388,6 +5385,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -6330,7 +6328,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -7482,22 +7481,6 @@
       "resolved": "https://registry.npmjs.org/only/-/only-0.0.2.tgz",
       "integrity": "sha1-Kv3oTQPlC5qO3EROMGEKcCle37Q="
     },
-    "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"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "0.0.10",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
@@ -9564,11 +9547,6 @@
         "@types/node": "*"
       }
     },
-    "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
-    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",