diff --git a/packages/remark-leanpub/package-lock.json b/packages/remark-leanpub/package-lock.json
index d4d0103..948f9fe 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
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@@ -232,7 +232,7 @@
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-          "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,
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@@ -255,7 +255,7 @@
     },
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-      "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
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@@ -315,13 +315,13 @@
       "dependencies": {
         "globals": {
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-          "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
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@@ -399,7 +399,7 @@
       "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 +533,7 @@
       "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 +1255,7 @@
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           "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 +1324,7 @@
     },
     "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
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@@ -1461,7 +1461,7 @@
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-          "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 +1618,7 @@
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-          "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,
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@@ -2087,9 +2087,9 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/i/-/i-0.3.6.tgz",
-      "integrity": "sha1-2WyScyB28HJxG2sQ/X1PZa2O4j0=",
+      "version": "0.3.7",
+      "resolved": "https://registry.npmjs.org/i/-/i-0.3.7.tgz",
+      "integrity": "sha512-FYz4wlXgkQwIPqhzC5TdNMLSE5+GS1IIDJZY/1ZiEPCT2S3COUVZeT5OW4BmW4r5LHLQuOosSwsvnroG9GR59Q==",
       "dev": true
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     "iconv-lite": {
@@ -2452,13 +2452,13 @@
         },
         "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,
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@@ -2531,7 +2531,7 @@
       "dependencies": {
         "commander": {
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-          "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,
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@@ -2570,7 +2570,7 @@
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         "lodash": {
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-          "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
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@@ -2603,7 +2603,7 @@
       "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
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@@ -3051,7 +3051,7 @@
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         "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
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@@ -3495,7 +3495,7 @@
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     "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,
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@@ -3507,7 +3507,7 @@
       "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 +3606,7 @@
       "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 +3623,7 @@
         },
         "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 +3639,7 @@
         },
         "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": {
@@ -3986,7 +3986,7 @@
       "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,
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@@ -4072,7 +4072,7 @@
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     "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=",
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@@ -4124,7 +4124,7 @@
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     "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=",
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@@ -4157,7 +4157,7 @@
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     "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
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@@ -4240,7 +4240,7 @@
       "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 +4577,7 @@
       "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
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@@ -4591,7 +4591,7 @@
     },
     "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
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@@ -4683,7 +4683,7 @@
       "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
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@@ -4739,7 +4739,7 @@
       "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..4a94b2a 100644
--- a/packages/remark-leanpub/yarn.lock
+++ b/packages/remark-leanpub/yarn.lock
@@ -1625,9 +1625,9 @@ https-browserify@~0.0.0:
   integrity sha1-P5E2XKvmC3ftDruiS0VOPgnZWoI=
 
 i@0.3.x:
-  version "0.3.6"
-  resolved "https://registry.yarnpkg.com/i/-/i-0.3.6.tgz#d96c92732076f072711b6b10fd7d4f65ad8ee23d"
-  integrity sha1-2WyScyB28HJxG2sQ/X1PZa2O4j0=
+  version "0.3.7"
+  resolved "https://registry.yarnpkg.com/i/-/i-0.3.7.tgz#2a7437a923d59c14b17243dc63a549af24d85799"
+  integrity sha512-FYz4wlXgkQwIPqhzC5TdNMLSE5+GS1IIDJZY/1ZiEPCT2S3COUVZeT5OW4BmW4r5LHLQuOosSwsvnroG9GR59Q==
 
 iconv-lite@^0.4.5:
   version "0.4.24"