diff --git a/packages/remark-leanpub/package-lock.json b/packages/remark-leanpub/package-lock.json
index d4d0103..0b1f2ee 100644
--- a/packages/remark-leanpub/package-lock.json
+++ b/packages/remark-leanpub/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@fullstackio/remark-leanpub",
-  "version": "6.0.0",
+  "version": "7.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -82,7 +82,7 @@
       "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
         }
@@ -186,24 +186,6 @@
         "sprintf-js": "~1.0.2"
       }
     },
-    "array-filter": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
-      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
-      "dev": true
-    },
-    "array-map": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
-      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
-      "dev": true
-    },
-    "array-reduce": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
-      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
-      "dev": true
-    },
     "asn1.js": {
       "version": "4.10.1",
       "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
@@ -232,7 +214,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "dev": true,
           "requires": {
@@ -255,7 +237,7 @@
     },
     "async": {
       "version": "1.5.2",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
       "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
       "dev": true
     },
@@ -315,13 +297,13 @@
       "dependencies": {
         "globals": {
           "version": "6.4.1",
-          "resolved": "http://registry.npmjs.org/globals/-/globals-6.4.1.tgz",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-6.4.1.tgz",
           "integrity": "sha1-hJgDKzttHMge68X3lpDY/in6v08=",
           "dev": true
         },
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         },
@@ -399,7 +381,7 @@
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         }
@@ -533,7 +515,7 @@
       "dependencies": {
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         }
@@ -1255,7 +1237,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         },
@@ -1324,7 +1306,7 @@
     },
     "entities": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
       "integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
       "dev": true
     },
@@ -1461,7 +1443,7 @@
         },
         "source-map": {
           "version": "0.1.43",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
           "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
           "dev": true,
           "optional": true,
@@ -1618,7 +1600,7 @@
         },
         "source-map": {
           "version": "0.1.43",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
           "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
           "dev": true,
           "requires": {
@@ -2452,13 +2434,13 @@
         },
         "resolve": {
           "version": "1.1.7",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
           "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
           "dev": true
         },
         "source-map": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
           "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
           "dev": true,
           "optional": true,
@@ -2531,7 +2513,7 @@
       "dependencies": {
         "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=",
           "dev": true,
           "requires": {
@@ -2570,7 +2552,7 @@
         },
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         }
@@ -2603,7 +2585,7 @@
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         }
@@ -3051,7 +3033,7 @@
         },
         "strip-ansi": {
           "version": "0.1.1",
-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-0.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-0.1.1.tgz",
           "integrity": "sha1-OeipjQRNFQZgq+SmgIrPcLt7yZE=",
           "dev": true
         }
@@ -3495,7 +3477,7 @@
     },
     "recast": {
       "version": "0.10.33",
-      "resolved": "http://registry.npmjs.org/recast/-/recast-0.10.33.tgz",
+      "resolved": "https://registry.npmjs.org/recast/-/recast-0.10.33.tgz",
       "integrity": "sha1-lCgI96oBbx+nFCxGHX5XBKqo1pc=",
       "dev": true,
       "requires": {
@@ -3507,7 +3489,7 @@
       "dependencies": {
         "ast-types": {
           "version": "0.8.12",
-          "resolved": "http://registry.npmjs.org/ast-types/-/ast-types-0.8.12.tgz",
+          "resolved": "https://registry.npmjs.org/ast-types/-/ast-types-0.8.12.tgz",
           "integrity": "sha1-oNkOQ1G7iHcWyD/WN+v4GK9K38w=",
           "dev": true
         },
@@ -3606,7 +3588,7 @@
       "dependencies": {
         "remark-parse": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/remark-parse/-/remark-parse-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/remark-parse/-/remark-parse-1.1.0.tgz",
           "integrity": "sha1-w8oQ+ajaBGFcKPCapOMEUQUm7CE=",
           "dev": true,
           "requires": {
@@ -3623,7 +3605,7 @@
         },
         "remark-stringify": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/remark-stringify/-/remark-stringify-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/remark-stringify/-/remark-stringify-1.1.0.tgz",
           "integrity": "sha1-pxBeJbnuK/mkm3XSxCPxGwauIJI=",
           "dev": true,
           "requires": {
@@ -3639,7 +3621,7 @@
         },
         "unified": {
           "version": "4.2.1",
-          "resolved": "http://registry.npmjs.org/unified/-/unified-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/unified/-/unified-4.2.1.tgz",
           "integrity": "sha1-dv9Dqo2kMPbn5KVchOusKtLPzS4=",
           "dev": true,
           "requires": {
@@ -3916,16 +3898,10 @@
       "dev": true
     },
     "shell-quote": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.6.1.tgz",
-      "integrity": "sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=",
-      "dev": true,
-      "requires": {
-        "array-filter": "~0.0.0",
-        "array-map": "~0.0.0",
-        "array-reduce": "~0.0.0",
-        "jsonify": "~0.0.0"
-      }
+      "version": "1.7.3",
+      "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.7.3.tgz",
+      "integrity": "sha512-Vpfqwm4EnqGdlsBFNmHhxhElJYrdfcxPThu+ryKS5J8L/fhAwLazFZtq+S+TWZ9ANj2piSQLGj6NQg+lKPmxrw==",
+      "dev": true
     },
     "shelljs": {
       "version": "0.6.1",
@@ -3986,7 +3962,7 @@
       "dependencies": {
         "source-map": {
           "version": "0.1.32",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.1.32.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.32.tgz",
           "integrity": "sha1-yLbBZ3l7pHQKjqMyUhYv8IWRsmY=",
           "dev": true,
           "requires": {
@@ -4072,7 +4048,7 @@
     },
     "string-width": {
       "version": "1.0.2",
-      "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
       "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
       "dev": true,
       "requires": {
@@ -4124,7 +4100,7 @@
     },
     "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": {
@@ -4157,7 +4133,7 @@
     },
     "supports-color": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
       "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
       "dev": true
     },
@@ -4240,7 +4216,7 @@
       "dependencies": {
         "resolve": {
           "version": "1.7.1",
-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.7.1.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.7.1.tgz",
           "integrity": "sha512-c7rwLofp8g1U+h1KNyHL/jicrKg1Ek4q+Lr33AL65uZTinUZHe30D5HlyN5V9NW0JX1D5dXQ4jqW5l7Sy/kGfw==",
           "dev": true,
           "requires": {
@@ -4577,7 +4553,7 @@
       "dependencies": {
         "async": {
           "version": "0.2.10",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
           "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
           "dev": true
         }
@@ -4591,7 +4567,7 @@
     },
     "vfile": {
       "version": "1.4.0",
-      "resolved": "http://registry.npmjs.org/vfile/-/vfile-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/vfile/-/vfile-1.4.0.tgz",
       "integrity": "sha1-wP1vpIT43r23cfaMMe112I2pf+c=",
       "dev": true
     },
@@ -4683,7 +4659,7 @@
       "dependencies": {
         "async": {
           "version": "0.2.10",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.2.10.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
           "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
           "dev": true
         },
@@ -4739,7 +4715,7 @@
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y=",
           "dev": true
         }
diff --git a/packages/remark-leanpub/yarn.lock b/packages/remark-leanpub/yarn.lock
index cdebcca..477e1de 100644
--- a/packages/remark-leanpub/yarn.lock
+++ b/packages/remark-leanpub/yarn.lock
@@ -160,21 +160,6 @@ argparse@^1.0.2, argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-array-filter@~0.0.0:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
-  integrity sha1-fajPLiZijtcygDWB/SH2fKzS7uw=
-
-array-map@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
-  integrity sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=
-
-array-reduce@~0.0.0:
-  version "0.0.0"
-  resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
-  integrity sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=
-
 asn1.js@^4.0.0:
   version "4.10.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.10.1.tgz#b9c2bf5805f1e64aadeed6df3a2bfafb5a73f5a0"
@@ -3098,14 +3083,9 @@ shebang-regex@^1.0.0:
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
 shell-quote@^1.6.1:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
-  integrity sha1-9HgZSczkAmlxJ0MOo7PFR29IF2c=
-  dependencies:
-    array-filter "~0.0.0"
-    array-map "~0.0.0"
-    array-reduce "~0.0.0"
-    jsonify "~0.0.0"
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.7.3.tgz#aa40edac170445b9a431e17bb62c0b881b9c4123"
+  integrity sha512-Vpfqwm4EnqGdlsBFNmHhxhElJYrdfcxPThu+ryKS5J8L/fhAwLazFZtq+S+TWZ9ANj2piSQLGj6NQg+lKPmxrw==
 
 shelljs@^0.6.0:
   version "0.6.1"