diff --git a/package-lock.json b/package-lock.json
index 437990c..e137b67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -958,9 +958,9 @@
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-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
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@@ -1319,11 +1319,6 @@
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       "dev": true
     },
-    "builtin-modules": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.0.0.tgz",
-      "integrity": "sha512-hMIeU4K2ilbXV6Uv93ZZ0Avg/M91RaKXucQ+4me2Do1txxBDyDZWCBa5bJSLqoNTRpXTLwEzIk1KmloenDDjhg=="
-    },
     "builtins": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/builtins/-/builtins-1.0.3.tgz",
@@ -3463,11 +3458,6 @@
         "is-extglob": "^2.1.0"
       }
     },
-    "is-module": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-module/-/is-module-1.0.0.tgz",
-      "integrity": "sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE="
-    },
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       "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
@@ -4808,7 +4798,8 @@
     "path-parse": {
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       "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
-      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw=="
+      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+      "dev": true
     },
     "path-to-regexp": {
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@@ -5193,6 +5184,7 @@
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.0.tgz",
       "integrity": "sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==",
+      "dev": true,
       "requires": {
         "path-parse": "^1.0.6"
       }
@@ -5268,16 +5260,6 @@
         "acorn": "^6.1.1"
       }
     },
-    "rollup-plugin-node-resolve": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-4.0.1.tgz",
-      "integrity": "sha512-fSS7YDuCe0gYqKsr5OvxMloeZYUSgN43Ypi1WeRZzQcWtHgFayV5tUSPYpxuaioIIWaBXl6NrVk0T2/sKwueLg==",
-      "requires": {
-        "builtin-modules": "^3.0.0",
-        "is-module": "^1.0.0",
-        "resolve": "^1.10.0"
-      }
-    },
     "rollup-plugin-terser": {
       "version": "4.0.4",
       "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-4.0.4.tgz",