diff --git a/package-lock.json b/package-lock.json
index 608e9e1..c64e05d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -445,9 +445,9 @@
       }
     },
     "acorn": {
-      "version": "5.7.3",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
       "dev": true
     },
     "acorn-dynamic-import": {
@@ -2090,7 +2090,7 @@
     },
     "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": {
@@ -5962,7 +5962,7 @@
       "dependencies": {
         "buffer": {
           "version": "4.9.1",
-          "resolved": "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
           "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
           "dev": true,
           "requires": {
@@ -6588,7 +6588,7 @@
     },
     "progress": {
       "version": "1.1.8",
-      "resolved": "http://registry.npmjs.org/progress/-/progress-1.1.8.tgz",
+      "resolved": "https://registry.npmjs.org/progress/-/progress-1.1.8.tgz",
       "integrity": "sha1-4mDHj2Fhzdmw5WzD4Khd4Xx6V74=",
       "dev": true
     },
@@ -7195,7 +7195,7 @@
       "dependencies": {
         "http-errors": {
           "version": "1.6.3",
-          "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
           "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
           "dev": true,
           "requires": {
@@ -7832,7 +7832,7 @@
     },
     "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": {
@@ -8807,7 +8807,7 @@
     },
     "ws": {
       "version": "4.1.0",
-      "resolved": "http://registry.npmjs.org/ws/-/ws-4.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-4.1.0.tgz",
       "integrity": "sha512-ZGh/8kF9rrRNffkLFV4AzhvooEclrOH0xaugmqGsIfFgOE/pIz4fMc4Ef+5HSQqTEug2S9JZIWDR47duDSLfaA==",
       "dev": true,
       "requires": {