diff --git a/package-lock.json b/package-lock.json
index f899966..0c1482d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,12 +30,6 @@
       "integrity": "sha1-MJrE1XGtIyJf0oxGBeyGiC2BmX4=",
       "dev": true
     },
-    "@types/benchmark": {
-      "version": "1.0.31",
-      "resolved": "https://registry.npmjs.org/@types/benchmark/-/benchmark-1.0.31.tgz",
-      "integrity": "sha512-F6fVNOkGEkSdo/19yWYOwVKGvzbTeWkR/XQYBKtGBQ9oGRjBN9f/L4aJI4sDcVPJO58Y1CJZN8va9V2BhrZapA==",
-      "dev": true
-    },
     "@types/chai": {
       "version": "4.1.7",
       "resolved": "https://watchmixer.pkgs.visualstudio.com/_packaging/mixer/npm/registry/@types/chai/-/chai-4.1.7.tgz",
@@ -341,9 +335,9 @@
       }
     },
     "acorn": {
-      "version": "6.1.1",
-      "resolved": "https://watchmixer.pkgs.visualstudio.com/_packaging/mixer/npm/registry/acorn/-/acorn-6.1.1.tgz",
-      "integrity": "sha1-fSWuBbuK0fm2mRCOEJTs14hK3B8=",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
     "acorn-dynamic-import": {
@@ -841,16 +835,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
-    "benchmark": {
-      "version": "2.1.4",
-      "resolved": "https://registry.npmjs.org/benchmark/-/benchmark-2.1.4.tgz",
-      "integrity": "sha1-CfPeMckWQl1JjMLuVloOvzwqVik=",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.17.4",
-        "platform": "^1.3.3"
-      }
-    },
     "better-assert": {
       "version": "1.0.2",
       "resolved": "https://watchmixer.pkgs.visualstudio.com/_packaging/mixer/npm/registry/better-assert/-/better-assert-1.0.2.tgz",
@@ -7093,12 +7077,6 @@
         }
       }
     },
-    "platform": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/platform/-/platform-1.3.5.tgz",
-      "integrity": "sha512-TuvHS8AOIZNAlE77WUDiR4rySV/VMptyMfcfeoMgs4P8apaZM3JrnbzBiixKUv+XR6i+BXrQh8WAnjaSPFO65Q==",
-      "dev": true
-    },
     "plugin-error": {
       "version": "1.0.1",
       "resolved": "https://watchmixer.pkgs.visualstudio.com/_packaging/mixer/npm/registry/plugin-error/-/plugin-error-1.0.1.tgz",