diff --git a/package-lock.json b/package-lock.json
index 758b367..e7c97a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -919,7 +919,7 @@
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-      "resolved": "http://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.9.5.tgz",
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       "dev": true
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@@ -1444,9 +1444,9 @@
       "dev": true
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-      "version": "2.6.3",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
-      "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
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@@ -1537,7 +1537,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
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@@ -3620,7 +3620,7 @@
         },
         "expand-range": {
           "version": "0.1.1",
-          "resolved": "http://registry.npmjs.org/expand-range/-/expand-range-0.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/expand-range/-/expand-range-0.1.1.tgz",
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@@ -6113,15 +6113,6 @@
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       },
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-          "version": "2.6.1",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-          "dev": true,
-          "requires": {
-            "lodash": "^4.17.10"
-          }
-        },
         "istanbul-lib-instrument": {
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           "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-2.3.2.tgz",
@@ -8162,7 +8153,7 @@
         },
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -10332,7 +10323,7 @@
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     "typescript": {
       "version": "2.7.2",
-      "resolved": "http://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.7.2.tgz",
       "integrity": "sha512-p5TCYZDAO0m4G344hD+wx/LATebLWZNkkh2asWUFqSsD2OrDNhbAHuSjobrmsUmdzjJjEeZVU9g1h3O6vpstnw==",
       "dev": true
     },