diff --git a/package-lock.json b/package-lock.json
index 48fc475..7b472b7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -127,7 +127,7 @@
       "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
         }
@@ -266,9 +266,9 @@
       "integrity": "sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms="
     },
     "bl": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.1.2.tgz",
-      "integrity": "sha512-DvC0x+PxmSJNx8wXoFV15pC2+GOJ3ohb4F1REq3X32a2Z3nEBpR1Guu740M7ouYAImFj4BXDNilLNZbygtG9lQ==",
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
+      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
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         "readable-stream": "^2.3.5",
         "safe-buffer": "^5.1.1"
@@ -638,7 +638,7 @@
       "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="
         }
       }
@@ -1551,7 +1551,7 @@
       "dependencies": {
         "form-data": {
           "version": "1.0.1",
-          "resolved": "http://registry.npmjs.org/form-data/-/form-data-1.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-1.0.1.tgz",
           "integrity": "sha1-rjFduaSQf6BlUCMEpm13M0de43w=",
           "requires": {
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@@ -1727,7 +1727,7 @@
       "dependencies": {
         "async": {
           "version": "0.9.2",
-          "resolved": "http://registry.npmjs.org/async/-/async-0.9.2.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
           "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0="
         },
         "cross-spawn": {
@@ -1792,7 +1792,7 @@
         },
         "semver": {
           "version": "4.3.6",
-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
           "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto="
         },
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@@ -1820,7 +1820,7 @@
           "dependencies": {
             "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="
             },
             "debug": {
@@ -2506,7 +2506,7 @@
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     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
         "core-util-is": "~1.0.0",
@@ -2612,7 +2612,7 @@
     },
     "rimraf": {
       "version": "2.2.8",
-      "resolved": "http://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.2.8.tgz",
       "integrity": "sha1-5Dm+Kq7jJzIZUnMPmaiSnk/FBYI="
     },
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@@ -2842,7 +2842,7 @@
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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=",
       "dev": true,
       "requires": {