diff --git a/package-lock.json b/package-lock.json
index 5369c1c..c67fba4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -176,7 +176,7 @@
     },
     "async": {
       "version": "1.0.0",
-      "resolved": "http://registry.npmjs.org/async/-/async-1.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.0.0.tgz",
       "integrity": "sha1-+PwEyjoTeErenhZBr5hXjPvWR6k=",
       "dev": true,
       "optional": true
@@ -802,7 +802,7 @@
         },
         "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==",
           "dev": true,
           "requires": {
@@ -1932,13 +1932,6 @@
         "unicode-5.2.0": "^0.7.5"
       }
     },
-    "json-schema": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
-      "dev": true,
-      "optional": true
-    },
     "json-schema-traverse": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
@@ -1964,7 +1957,7 @@
     },
     "jsonfile": {
       "version": "2.4.0",
-      "resolved": "http://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
       "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
       "dev": true,
       "optional": true,
@@ -1985,16 +1978,25 @@
       "dev": true
     },
     "jsprim": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
-      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.2.tgz",
+      "integrity": "sha512-P2bSOMAc/ciLz6DzgjVlGJP9+BrJWu5UDGK70C2iweC5QBIeFf0ZXRvGjEj2uYgrY2MkAAhsSWHDWlFtEroZWw==",
       "dev": true,
       "optional": true,
       "requires": {
         "assert-plus": "1.0.0",
         "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
+        "json-schema": "0.4.0",
         "verror": "1.10.0"
+      },
+      "dependencies": {
+        "json-schema": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.4.0.tgz",
+          "integrity": "sha512-es94M3nTIfsEPisRafak+HDLfHXnKBhV3vU5eqPcS3flIWqcxJWgXHXiey3YrpaNsanY5ei1VoYEbOzijuq9BA==",
+          "dev": true,
+          "optional": true
+        }
       }
     },
     "karma": {
@@ -2287,7 +2289,7 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
@@ -2832,7 +2834,7 @@
     },
     "readable-stream": {
       "version": "1.1.14",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
       "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
       "dev": true,
       "requires": {