diff --git a/package-lock.json b/package-lock.json
index 5093796c..05a03dce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,24 +6,28 @@
   "dependencies": {
     "ajv": {
       "version": "3.4.0",
+      "resolved": false,
       "integrity": "sha1-FyxwZAt1Ajn5///0bDSFV3/TBpA=",
       "requires": {
         "json-stable-stringify": "^1.0.0"
       }
     },
     "async": {
-      "version": "2.0.0",
-      "integrity": "sha1-0JAK04WvE4BFQKEJxCFm4657K50=",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.8.0"
+        "lodash": "^4.17.14"
       }
     },
     "balanced-match": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
     "brace-expansion": {
       "version": "1.1.11",
+      "resolved": false,
       "integrity": "sha1-PH/L9SnYcibz0vUrlm/1Jx60Qd0=",
       "requires": {
         "balanced-match": "^1.0.0",
@@ -32,18 +36,22 @@
     },
     "commander": {
       "version": "2.3.0",
+      "resolved": false,
       "integrity": "sha1-/UMOiJgy7DU7ms0d4hfBHLPu+HM="
     },
     "concat-map": {
       "version": "0.0.1",
+      "resolved": false,
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
     "core-util-is": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "debug": {
       "version": "2.2.0",
+      "resolved": false,
       "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
       "requires": {
         "ms": "0.7.1"
@@ -51,18 +59,22 @@
     },
     "diff": {
       "version": "1.4.0",
+      "resolved": false,
       "integrity": "sha1-fyjS657nsVqX79ic5j3P2qPMur8="
     },
     "escape-string-regexp": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-Tbwv5nTnGUnK8/smlc5/LcHZqNE="
     },
     "fs.realpath": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
     "glob": {
       "version": "3.2.3",
+      "resolved": false,
       "integrity": "sha1-4xPusknHr/qlxHUoaw4RW1mDlGc=",
       "requires": {
         "graceful-fs": "~2.0.0",
@@ -72,14 +84,17 @@
     },
     "graceful-fs": {
       "version": "2.0.3",
+      "resolved": false,
       "integrity": "sha1-fNLNsiiko/Nule+mzBQt59GhNtA="
     },
     "growl": {
       "version": "1.8.1",
+      "resolved": false,
       "integrity": "sha1-Sy3sjZB+k9szZiTc7AGDUC+MlCg="
     },
     "inflight": {
       "version": "1.0.6",
+      "resolved": false,
       "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
       "requires": {
         "once": "^1.3.0",
@@ -88,14 +103,17 @@
     },
     "inherits": {
       "version": "2.0.4",
+      "resolved": false,
       "integrity": "sha1-D6LGT5MpF8NDOg3tVTY6rjdBa3w="
     },
     "isarray": {
       "version": "1.0.0",
+      "resolved": false,
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
     "jade": {
       "version": "0.26.3",
+      "resolved": false,
       "integrity": "sha1-jxDXl32NefL2/4YqgbBRPMslaGw=",
       "requires": {
         "commander": "0.6.1",
@@ -104,16 +122,19 @@
       "dependencies": {
         "commander": {
           "version": "0.6.1",
+          "resolved": false,
           "integrity": "sha1-+mihT2qUXVTbvlDYzbMyDp47GgY="
         },
         "mkdirp": {
           "version": "0.3.0",
+          "resolved": false,
           "integrity": "sha1-G79asbqCevI1dRQ0kEJkVfSB/h4="
         }
       }
     },
     "json-stable-stringify": {
       "version": "1.0.1",
+      "resolved": false,
       "integrity": "sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=",
       "requires": {
         "jsonify": "~0.0.0"
@@ -121,18 +142,22 @@
     },
     "jsonify": {
       "version": "0.0.0",
+      "resolved": false,
       "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM="
     },
     "lodash": {
       "version": "4.17.20",
+      "resolved": false,
       "integrity": "sha1-tEqbYpe8tpjxxRo1RaKzs2jVnFI="
     },
     "lru-cache": {
       "version": "2.7.3",
+      "resolved": false,
       "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI="
     },
     "minimatch": {
       "version": "0.2.14",
+      "resolved": false,
       "integrity": "sha1-x054BXT2PG+aCQ6Q775u9TpqdWo=",
       "requires": {
         "lru-cache": "2",
@@ -141,10 +166,12 @@
     },
     "minimist": {
       "version": "0.0.8",
+      "resolved": false,
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
     },
     "mkdirp": {
       "version": "0.5.1",
+      "resolved": false,
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
       "requires": {
         "minimist": "0.0.8"
@@ -152,6 +179,7 @@
     },
     "mocha": {
       "version": "2.4.5",
+      "resolved": false,
       "integrity": "sha1-FRdo3Sh161G8gpXpgAAm6fK7OY8=",
       "requires": {
         "commander": "2.3.0",
@@ -167,14 +195,17 @@
     },
     "ms": {
       "version": "0.7.1",
+      "resolved": false,
       "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
     },
     "ncp": {
       "version": "2.0.0",
+      "resolved": false,
       "integrity": "sha1-GVoh1sRuNh0vsSgbo4uR6d9727M="
     },
     "node-dir": {
       "version": "0.1.17",
+      "resolved": false,
       "integrity": "sha1-X1Zl2TNRM1yqvvjxxVRRbPXx5OU=",
       "requires": {
         "minimatch": "^3.0.2"
@@ -182,6 +213,7 @@
       "dependencies": {
         "minimatch": {
           "version": "3.0.4",
+          "resolved": false,
           "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
           "requires": {
             "brace-expansion": "^1.1.7"
@@ -191,14 +223,17 @@
     },
     "node-options": {
       "version": "0.0.7",
+      "resolved": false,
       "integrity": "sha1-DUjuKly3vLG5G4BraeEoTzY/rlo="
     },
     "object-assign": {
       "version": "3.0.0",
+      "resolved": false,
       "integrity": "sha1-m+3VygiXlJvKR+f/QIBi1Un1h/I="
     },
     "once": {
       "version": "1.4.0",
+      "resolved": false,
       "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
       "requires": {
         "wrappy": "1"
@@ -206,14 +241,17 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
+      "resolved": false,
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
     },
     "process-nextick-args": {
       "version": "2.0.1",
+      "resolved": false,
       "integrity": "sha1-eCDZsWEgzFXKmud5JoCufbptf+I="
     },
     "readable-stream": {
       "version": "2.3.7",
+      "resolved": false,
       "integrity": "sha1-Hsoc9xGu+BTAT2IlKjamL2yyO1c=",
       "requires": {
         "core-util-is": "~1.0.0",
@@ -227,6 +265,7 @@
     },
     "replacestream": {
       "version": "4.0.0",
+      "resolved": false,
       "integrity": "sha1-rVdK8dr1Zqg9h62lqzleC9xD4qQ=",
       "requires": {
         "escape-string-regexp": "^1.0.3",
@@ -236,12 +275,14 @@
       "dependencies": {
         "escape-string-regexp": {
           "version": "1.0.5",
+          "resolved": false,
           "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
         }
       }
     },
     "rimraf": {
       "version": "2.5.2",
+      "resolved": false,
       "integrity": "sha1-YrqUf6TAtDY4Oa7+zU8PutYFlyY=",
       "requires": {
         "glob": "^7.0.0"
@@ -249,6 +290,7 @@
       "dependencies": {
         "glob": {
           "version": "7.1.6",
+          "resolved": false,
           "integrity": "sha1-FB8zuBp8JJLhJVlDB0gMRmeSeKY=",
           "requires": {
             "fs.realpath": "^1.0.0",
@@ -261,6 +303,7 @@
         },
         "minimatch": {
           "version": "3.0.4",
+          "resolved": false,
           "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
           "requires": {
             "brace-expansion": "^1.1.7"
@@ -270,10 +313,12 @@
     },
     "safe-buffer": {
       "version": "5.1.2",
+      "resolved": false,
       "integrity": "sha1-mR7GnSluAxN0fVm9/St0XDX4go0="
     },
     "should": {
       "version": "8.2.2",
+      "resolved": false,
       "integrity": "sha1-RR4yoJm+SuA8NDf6bpuCYT2iw9U=",
       "requires": {
         "should-equal": "0.7.2",
@@ -283,6 +328,7 @@
     },
     "should-equal": {
       "version": "0.7.2",
+      "resolved": false,
       "integrity": "sha1-pqlj2/UBuT7TS3gHrn1/BC/CTKg=",
       "requires": {
         "should-type": "0.2.0"
@@ -290,6 +336,7 @@
     },
     "should-format": {
       "version": "0.3.2",
+      "resolved": false,
       "integrity": "sha1-pZgx4Bot3uFJkRvHFIvlyAMZ4f8=",
       "requires": {
         "should-type": "0.2.0"
@@ -297,14 +344,17 @@
     },
     "should-type": {
       "version": "0.2.0",
+      "resolved": false,
       "integrity": "sha1-ZwfvlVKdmJ3MCY/gdTqx+RNrt/Y="
     },
     "sigmund": {
       "version": "1.0.1",
+      "resolved": false,
       "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA="
     },
     "string_decoder": {
       "version": "1.1.1",
+      "resolved": false,
       "integrity": "sha1-nPFhG6YmhdcDCunkujQUnDrwP8g=",
       "requires": {
         "safe-buffer": "~5.1.0"
@@ -312,14 +362,17 @@
     },
     "supports-color": {
       "version": "1.2.0",
+      "resolved": false,
       "integrity": "sha1-/x7R5hFp0Gs88tWI4YixjYhH4X4="
     },
     "util-deprecate": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "wrappy": {
       "version": "1.0.2",
+      "resolved": false,
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     }
   }
diff --git a/package.json b/package.json
index d584aaa8..b46488d3 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "node-options": "^0.0.7",
     "ncp": "2.0.0",
     "rimraf": "2.5.2",
-    "async": "2.0.0",
+    "async": "2.6.4",
     "replacestream": "4.0.0",
     "should": "~8.2.1",
     "mocha": "2.4.5"