diff --git a/package-lock.json b/package-lock.json
index f69f18a..2e92452 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1603,9 +1603,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.1.tgz",
-      "integrity": "sha512-d+nbxBUGKg7Arpsvbnlq61mc12ek3EY8EQldM3GPAhWJ1UVxC6TDGbIvUMNU6obBX3i1+ptCIzV4vq0gFPEGVQ=="
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg=="
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     "acorn-globals": {
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@@ -1926,7 +1926,7 @@
         },
         "sax": {
           "version": "1.2.1",
-          "resolved": "http://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
           "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
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@@ -2304,7 +2304,7 @@
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     "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=",
       "requires": {
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@@ -3877,9 +3877,9 @@
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-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.2.0.tgz",
-          "integrity": "sha512-apwXVmYVpQ34m/i71vrApRrRKCWQnZZF1+npOD0WV5xZFfwWOmKGQ2RWlfdy9vWITsenisM8M0Qeq8agcFHNiQ==",
+          "version": "7.3.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+          "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
           "dev": true
         }
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@@ -5462,9 +5462,9 @@
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-          "version": "7.2.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.2.0.tgz",
-          "integrity": "sha512-apwXVmYVpQ34m/i71vrApRrRKCWQnZZF1+npOD0WV5xZFfwWOmKGQ2RWlfdy9vWITsenisM8M0Qeq8agcFHNiQ=="
+          "version": "7.3.1",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+          "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA=="
         },
         "acorn-globals": {
           "version": "6.0.0",