diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8836ba0..5024809 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -1,7 +1,7 @@
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
 name: ci
 jobs:
@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12, 13]
+        node: [10, 12, 14, 15]
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
       - run: node --version
@@ -27,9 +27,9 @@ jobs:
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: 14
       - run: npm ci
       - run: npm test
       - name: coverage
@@ -41,17 +41,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: 14
       - run: npm ci
       - run: npm run lint
   licence-check:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
-          node-version: 12
+          node-version: 14
       - run: npm ci
       - run: npm run license-check
diff --git a/README.md b/README.md
index 2cded64..51e3b25 100644
--- a/README.md
+++ b/README.md
@@ -123,12 +123,12 @@ const DEFAULT_GREEN_LICENSES = [
 ];
 ```
 
-You can also whitelist some npm packages and they will be considered "green"
+You can also allowlist some npm packages and they will be considered "green"
 even when they have non-green licenses or no licenses. It's useful when
 `jsgl` is unable to verify the validness of a certain package's license for
 some reason. For example, when a package doesn't specify its license in its
 `package.json` but has a separate `LICENSE` file, `jsgl` can't verify that.
-You can whitelist that package to make `jsgl` not complain about that
+You can allowlist that package to make `jsgl` not complain about that
 package.
 
 A typical configuration file looks like this:
@@ -141,7 +141,7 @@ A typical configuration file looks like this:
     "BSD-3-Clause",
     ...
   ],
-  "packageWhitelist": [
+  "packageAllowlist": [
     /* packages considered ok */
     "foo",
     "bar",  // inline comment
@@ -153,7 +153,7 @@ A typical configuration file looks like this:
 ```
 
 The `greenLicenses` section is for the custom license list and the
-`packageWhitelist` section is for the package whitelist.
+`packageAllowlist` section is for the package allowlist.
 
 Note that comments are allowed in `js-green-licenses.json`.
 
@@ -310,7 +310,7 @@ A `LicenseChecker` object emits following events during its processing.
 
 [actions-image]: https://github.com/google/js-green-licenses/workflows/ci/badge.svg
 [actions-url]: https://github.com/google/js-green-licenses/actions
-[codecov-image]: https://codecov.io/gh/google/js-green-licenses/branch/master/graph/badge.svg
+[codecov-image]: https://codecov.io/gh/google/js-green-licenses/branch/main/graph/badge.svg
 [codecov-url]: https://codecov.io/gh/google/js-green-licenses
 [david-image]: https://david-dm.org/google/js-green-licenses.svg
 [david-url]: https://david-dm.org/google/js-green-licenses
diff --git a/package-lock.json b/package-lock.json
index 1f9a8ec..e93f8ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -184,9 +184,9 @@
       "dev": true
     },
     "@types/istanbul-lib-coverage": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.1.tgz",
-      "integrity": "sha512-hRJD2ahnnpLgsj6KWMYSrmXkM3rm2Dl1qkx6IOFD5FnuNPXJIG5L0dhgKXCYTRMGzU4n0wImQ/xfmRc4POUFlg==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.3.tgz",
+      "integrity": "sha512-sz7iLqvVUg1gIedBOvlkxPlc8/uVzyS5OwGz1cKjXzkl3FpL3al0crU8YGU1WoHkxn0Wxbw5tyi6hvzJKNzFsw==",
       "dev": true
     },
     "@types/json-schema": {
@@ -350,6 +350,12 @@
         "eslint-visitor-keys": "^2.0.0"
       }
     },
+    "@ungap/promise-all-settled": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz",
+      "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
+      "dev": true
+    },
     "abort-controller": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
@@ -507,18 +513,6 @@
       "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
       "dev": true
     },
-    "array.prototype.map": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/array.prototype.map/-/array.prototype.map-1.0.2.tgz",
-      "integrity": "sha512-Az3OYxgsa1g7xDYp86l0nnN4bcmuEITGe1rbdEBVkrqkzMgDcbdQ2R7r41pNzti+4NMces3H8gMmuioZUilLgw==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.0-next.1",
-        "es-array-method-boxes-properly": "^1.0.0",
-        "is-string": "^1.0.4"
-      }
-    },
     "arrify": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
@@ -538,9 +532,9 @@
       "dev": true
     },
     "binary-extensions": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
-      "integrity": "sha512-Phlt0plgpIIBOGTT/ehfFnbNlfsDEiqmzE2KRXoX1bLIlir4X/MR+zSyBEkL05ffWgnRSf/DXv+WrUAVr93/ow==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
+      "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
       "dev": true
     },
     "boxen": {
@@ -602,24 +596,63 @@
       "integrity": "sha1-y5T662HIaWRR2zZTThQi+U8K7og="
     },
     "c8": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npmjs.org/c8/-/c8-7.1.0.tgz",
-      "integrity": "sha512-r4ba14DehwROz7Sm/JpwqL+s2FGGMiVmgnhAtYJ/jQcPpR7L+yEO3MUoQXHOFBetqd+mpTY5XiNY79QY6bYpnw==",
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/c8/-/c8-7.4.0.tgz",
+      "integrity": "sha512-K8I7MEe2i4L91YBX3HtV10kKpU5uqGeyjtsdGS2FxfT0pk15d9jthujjR1ORRLrCJ4tXuDK9PSH2vChzRDoAZw==",
       "dev": true,
       "requires": {
         "@bcoe/v8-coverage": "^0.2.3",
         "@istanbuljs/schema": "^0.1.2",
-        "find-up": "^4.0.0",
+        "find-up": "^5.0.0",
         "foreground-child": "^2.0.0",
         "furi": "^2.0.0",
         "istanbul-lib-coverage": "^3.0.0",
         "istanbul-lib-report": "^3.0.0",
-        "istanbul-reports": "^3.0.0",
+        "istanbul-reports": "^3.0.2",
         "rimraf": "^3.0.0",
         "test-exclude": "^6.0.0",
-        "v8-to-istanbul": "^4.1.2",
-        "yargs": "^15.0.0",
-        "yargs-parser": "^16.0.0"
+        "v8-to-istanbul": "^7.1.0",
+        "yargs": "^16.0.0",
+        "yargs-parser": "^20.0.0"
+      },
+      "dependencies": {
+        "find-up": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
+          "integrity": "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==",
+          "dev": true,
+          "requires": {
+            "locate-path": "^6.0.0",
+            "path-exists": "^4.0.0"
+          }
+        },
+        "locate-path": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
+          "integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+          "dev": true,
+          "requires": {
+            "p-locate": "^5.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
+          "integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+          "dev": true,
+          "requires": {
+            "yocto-queue": "^0.1.0"
+          }
+        },
+        "p-locate": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
+          "integrity": "sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==",
+          "dev": true,
+          "requires": {
+            "p-limit": "^3.0.2"
+          }
+        }
       }
     },
     "cacheable-request": {
@@ -691,9 +724,9 @@
       "dev": true
     },
     "chokidar": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.3.1.tgz",
-      "integrity": "sha512-4QYCEWOcK3OJrxwvyyAOxFuhpvOVCYkr33LPfFNBjAD/w3sEzWsp2BUOkI4l9bHvWioAd0rc6NlHUOEaWkTeqg==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-3.4.3.tgz",
+      "integrity": "sha512-DtM3g7juCXQxFVSNPNByEC2+NImtBuxQQvWlHunpJIS5Ocr0lG306cC7FCi7cEA0fzmybPUIl4txBIobk1gGOQ==",
       "dev": true,
       "requires": {
         "anymatch": "~3.1.1",
@@ -703,7 +736,7 @@
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
         "normalize-path": "~3.0.0",
-        "readdirp": "~3.3.0"
+        "readdirp": "~3.5.0"
       }
     },
     "ci-info": {
@@ -734,14 +767,14 @@
       "dev": true
     },
     "cliui": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-6.0.0.tgz",
-      "integrity": "sha512-t6wbgtoCXvAzst7QgXxJYqPt0usEfbgQdftEPbLL/cvv6HPE5VgvqCuAIDR0NgU52ds6rFwqrgakNLrHEjCbrQ==",
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+      "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
       "dev": true,
       "requires": {
         "string-width": "^4.2.0",
         "strip-ansi": "^6.0.0",
-        "wrap-ansi": "^6.2.0"
+        "wrap-ansi": "^7.0.0"
       }
     },
     "clone-response": {
@@ -869,15 +902,6 @@
       "resolved": "https://registry.npmjs.org/defer-to-connect/-/defer-to-connect-1.1.3.tgz",
       "integrity": "sha512-0ISdNousHvZT2EiFlZeZAHBUvSxmKswVCEf8hW7KWgG4a8MVEu/3Vb6uWYozkjylyCxe0JBIiRB1jV45S70WVQ=="
     },
-    "define-properties": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
-      "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
-      "dev": true,
-      "requires": {
-        "object-keys": "^1.0.12"
-      }
-    },
     "diff": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.2.tgz",
@@ -948,57 +972,12 @@
         "is-arrayish": "^0.2.1"
       }
     },
-    "es-abstract": {
-      "version": "1.17.5",
-      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.17.5.tgz",
-      "integrity": "sha512-BR9auzDbySxOcfog0tLECW8l28eRGpDpU3Dm3Hp4q/N+VtLTmyj4EUN088XZWQDW/hzj6sYRDXeOFsaAODKvpg==",
-      "dev": true,
-      "requires": {
-        "es-to-primitive": "^1.2.1",
-        "function-bind": "^1.1.1",
-        "has": "^1.0.3",
-        "has-symbols": "^1.0.1",
-        "is-callable": "^1.1.5",
-        "is-regex": "^1.0.5",
-        "object-inspect": "^1.7.0",
-        "object-keys": "^1.1.1",
-        "object.assign": "^4.1.0",
-        "string.prototype.trimleft": "^2.1.1",
-        "string.prototype.trimright": "^2.1.1"
-      }
-    },
-    "es-array-method-boxes-properly": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/es-array-method-boxes-properly/-/es-array-method-boxes-properly-1.0.0.tgz",
-      "integrity": "sha512-wd6JXUmyHmt8T5a2xreUwKcGPq6f1f+WwIJkijUqiGcJz1qqnZgP6XIK+QyIWU5lT7imeNxUll48bziG+TSYcA==",
+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
       "dev": true
     },
-    "es-get-iterator": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/es-get-iterator/-/es-get-iterator-1.1.0.tgz",
-      "integrity": "sha512-UfrmHuWQlNMTs35e1ypnvikg6jCz3SK8v8ImvmDsh36fCVUR1MqoFDiyn0/k52C8NqO3YsO8Oe0azeesNuqSsQ==",
-      "dev": true,
-      "requires": {
-        "es-abstract": "^1.17.4",
-        "has-symbols": "^1.0.1",
-        "is-arguments": "^1.0.4",
-        "is-map": "^2.0.1",
-        "is-set": "^2.0.1",
-        "is-string": "^1.0.5",
-        "isarray": "^2.0.5"
-      }
-    },
-    "es-to-primitive": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.1.tgz",
-      "integrity": "sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==",
-      "dev": true,
-      "requires": {
-        "is-callable": "^1.1.4",
-        "is-date-object": "^1.0.1",
-        "is-symbol": "^1.0.2"
-      }
-    },
     "escape-goat": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/escape-goat/-/escape-goat-2.1.1.tgz",
@@ -1368,13 +1347,10 @@
       }
     },
     "flat": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/flat/-/flat-4.1.0.tgz",
-      "integrity": "sha512-Px/TiLIznH7gEDlPXcUD4KnBusa6kR6ayRUVcnEAbreRIuhkqow/mun59BuRXwoYk7ZQOLW1ZM05ilIvK38hFw==",
-      "dev": true,
-      "requires": {
-        "is-buffer": "~2.0.3"
-      }
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
+      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==",
+      "dev": true
     },
     "flat-cache": {
       "version": "2.0.1",
@@ -1427,12 +1403,6 @@
       "dev": true,
       "optional": true
     },
-    "function-bind": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
-      "dev": true
-    },
     "functional-red-black-tree": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz",
@@ -1595,27 +1565,12 @@
       "integrity": "sha512-VIZB+ibDhx7ObhAe7OVtoEbuP4h/MuOTHJ+J8h/eBXotJYl0fBgR72xDFCKgIh22OJZIOVNxBMWuhAr10r8HdA==",
       "dev": true
     },
-    "has": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
-      "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
-      "dev": true,
-      "requires": {
-        "function-bind": "^1.1.1"
-      }
-    },
     "has-flag": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
       "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
       "dev": true
     },
-    "has-symbols": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.1.tgz",
-      "integrity": "sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==",
-      "dev": true
-    },
     "has-yarn": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/has-yarn/-/has-yarn-2.1.0.tgz",
@@ -1784,12 +1739,6 @@
         "through": "^2.3.6"
       }
     },
-    "is-arguments": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/is-arguments/-/is-arguments-1.0.4.tgz",
-      "integrity": "sha512-xPh0Rmt8NE65sNzvyUmWgI1tz3mKq74lGA0mL8LYZcoIzKOzDh6HmrYm3d18k60nHerC8A9Km8kYu87zfSFnLA==",
-      "dev": true
-    },
     "is-arrayish": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
@@ -1805,18 +1754,6 @@
         "binary-extensions": "^2.0.0"
       }
     },
-    "is-buffer": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.4.tgz",
-      "integrity": "sha512-Kq1rokWXOPXWuaMAqZiJW4XxsmD9zGx9q4aePabbn3qCRGedtH7Cm+zV8WETitMfu1wdh+Rvd6w5egwSngUX2A==",
-      "dev": true
-    },
-    "is-callable": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.2.0.tgz",
-      "integrity": "sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw==",
-      "dev": true
-    },
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-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^5.1.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "5.2.0",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
-          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^4.1.0"
-          }
-        },
-        "wrap-ansi": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
-          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
-          "dev": true,
-          "requires": {
-            "ansi-styles": "^3.2.0",
-            "string-width": "^3.0.0",
-            "strip-ansi": "^5.0.0"
-          }
-        },
-        "yargs": {
-          "version": "13.3.2",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
-          "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
-          "dev": true,
-          "requires": {
-            "cliui": "^5.0.0",
-            "find-up": "^3.0.0",
-            "get-caller-file": "^2.0.1",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^2.0.0",
-            "set-blocking": "^2.0.0",
-            "string-width": "^3.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^4.0.0",
-            "yargs-parser": "^13.1.2"
-          }
-        },
-        "yargs-parser": {
-          "version": "13.1.2",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
-          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
         }
       }
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index faa6aaa..d6a5dc7 100644
--- a/package.json
+++ b/package.json
@@ -58,11 +58,11 @@
     "@types/spdx-correct": "^2.0.0",
     "@types/spdx-satisfies": "^0.1.0",
     "@types/strip-json-comments": "0.0.30",
-    "c8": "^7.0.0",
+    "c8": "^7.4.0",
     "gts": "^3.0.0",
     "inline-fixtures": "^1.1.0",
     "make-dir": "^3.0.0",
-    "mocha": "^8.0.0",
+    "mocha": "^8.2.1",
     "mock-fs": "^4.4.2",
     "nock": "^13.0.0",
     "proxyquire": "^2.0.1",
diff --git a/src/checker.ts b/src/checker.ts
index e199e0c..d204b61 100644
--- a/src/checker.ts
+++ b/src/checker.ts
@@ -126,7 +126,7 @@ export class LicenseChecker extends EventEmitter {
   // https://spdx.org/licenses/.
   private greenLicenseExpr = '';
   // List of license names that are not SPDX-conforming IDs but are allowed.
-  private whitelistedLicenses: string[] = [];
+  private allowlistedLicenses: string[] = [];
 
   constructor({dev = false, verbose = false}: LicenseCheckerOptions = {}) {
     super();
@@ -170,7 +170,7 @@ export class LicenseChecker extends EventEmitter {
       }
     }
     this.greenLicenseExpr = `(${validGreenLicenses.join(' OR ')})`;
-    this.whitelistedLicenses = invalidGreenLicenses;
+    this.allowlistedLicenses = invalidGreenLicenses;
 
     this.processedPackages.clear();
     this.failedPackages.clear();
@@ -210,10 +210,10 @@ export class LicenseChecker extends EventEmitter {
     return corrected;
   }
 
-  private isPackageWhitelisted(packageName: string): boolean {
+  private isPackageAllowlisted(packageName: string): boolean {
     return (
-      !!this.config.packageWhitelist &&
-      this.config.packageWhitelist.some(p => p === packageName)
+      !!this.config.packageAllowlist &&
+      this.config.packageAllowlist.some(p => p === packageName)
     );
   }
 
@@ -221,9 +221,9 @@ export class LicenseChecker extends EventEmitter {
     if (!license) return false;
 
     const correctedName = this.correctLicenseName(license);
-    // `license` is not a valid or correctable SPDX id. Check the whitelist.
+    // `license` is not a valid or correctable SPDX id. Check the allowlist.
     if (!correctedName) {
-      return this.whitelistedLicenses.some(l => l === license);
+      return this.allowlistedLicenses.some(l => l === license);
     }
 
     try {
@@ -318,8 +318,8 @@ export class LicenseChecker extends EventEmitter {
   ): Promise<void> {
     packageName = (packageName || json.name || 'undefined') as string;
 
-    const isWhitelisted = this.isPackageWhitelisted(packageName);
-    if (isWhitelisted) {
+    const isAllowlisted = this.isPackageAllowlisted(packageName);
+    if (isAllowlisted) {
       json.version = semver.valid(json.version) ? json.version : '0.0.0';
     } else {
       ensurePackageJson(json);
@@ -336,8 +336,8 @@ export class LicenseChecker extends EventEmitter {
     if (this.processedPackages.has(packageAndVersion)) return;
     this.processedPackages.add(packageAndVersion);
 
-    if (this.isPackageWhitelisted(packageName)) {
-      console.log(`${packageName} is whitelisted.`);
+    if (this.isPackageAllowlisted(packageName)) {
+      console.log(`${packageName} is allowlisted.`);
     } else {
       const license = this.getLicense(json);
       if (!this.isGreenLicense(license)) {
diff --git a/src/config.ts b/src/config.ts
index 715313a..1c7cd75 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -27,7 +27,7 @@ export interface Config {
   // Licenses specified in this list are considered green.
   greenLicenses?: string[];
   // Packages specified in this list are considered green.
-  packageWhitelist?: string[];
+  packageAllowlist?: string[];
 }
 
 function isConfig(obj: {}): obj is Config {
@@ -39,7 +39,7 @@ function isConfig(obj: {}): obj is Config {
   };
   return (
     isStringArray(config.greenLicenses) &&
-    isStringArray(config.packageWhitelist)
+    isStringArray(config.packageAllowlist)
   );
 }
 
diff --git a/test/checker-test.ts b/test/checker-test.ts
index bf6dd1b..7b6d4a1 100644
--- a/test/checker-test.ts
+++ b/test/checker-test.ts
@@ -244,7 +244,7 @@ describe(__filename, () => {
     );
   });
 
-  it('package whitelist should be respected (local repo)', () => {
+  it('package allowlist should be respected (local repo)', () => {
     const packageJson = JSON.stringify({
       name: 'hello',
       version: '1.0.0',
@@ -254,7 +254,7 @@ describe(__filename, () => {
       },
     });
     const configJson = JSON.stringify({
-      packageWhitelist: ['bar'],
+      packageAllowlist: ['bar'],
     });
     const pathToDir = path.join('path', 'to', 'dir');
     return withFixtures(
@@ -484,7 +484,7 @@ describe(__filename, () => {
     );
   });
 
-  it('skips package.json checks if package is whitelisted', () => {
+  it('skips package.json checks if package is allow listed', () => {
     const primaryPackageJson = JSON.stringify({
       name: 'hello',
       version: '1.0.0',
@@ -492,7 +492,7 @@ describe(__filename, () => {
     });
 
     const configJson = JSON.stringify({
-      packageWhitelist: ['hello'],
+      packageAllowlist: ['hello'],
     });
     const pathToPrimary = path.join('path', 'to', 'primary');
     return withFixtures(
diff --git a/test/config-test.ts b/test/config-test.ts
index ba0cdaa..24cce18 100644
--- a/test/config-test.ts
+++ b/test/config-test.ts
@@ -22,7 +22,7 @@ describe(__filename, () => {
   it('read correct contents from local config file', async () => {
     const configContent = JSON.stringify({
       greenLicenses: ['FOO', 'BAR'],
-      packageWhitelist: ['a-package', 'another-package'],
+      packageAllowlist: ['a-package', 'another-package'],
     });
 
     return withFixtures(
@@ -31,7 +31,7 @@ describe(__filename, () => {
         const cfg = await config.getLocalConfig('repo/directory');
         assert.ok(cfg);
         assert.deepStrictEqual(cfg!.greenLicenses, ['FOO', 'BAR']);
-        assert.deepStrictEqual(cfg!.packageWhitelist, [
+        assert.deepStrictEqual(cfg!.packageAllowlist, [
           'a-package',
           'another-package',
         ]);
@@ -48,7 +48,7 @@ describe(__filename, () => {
       async getFileContent(): Promise<string | null> {
         return JSON.stringify({
           greenLicenses: ['BAR', 'BAZ'],
-          packageWhitelist: ['package-1', 'package-2'],
+          packageAllowlist: ['package-1', 'package-2'],
         });
       }
     }
@@ -58,7 +58,7 @@ describe(__filename, () => {
     );
     assert.ok(cfg);
     assert.deepStrictEqual(cfg!.greenLicenses, ['BAR', 'BAZ']);
-    assert.deepStrictEqual(cfg!.packageWhitelist, ['package-1', 'package-2']);
+    assert.deepStrictEqual(cfg!.packageAllowlist, ['package-1', 'package-2']);
   });
 
   it('no config file is ok (local)', async () => {
@@ -88,7 +88,7 @@ describe(__filename, () => {
   it('error for invalid config file (local)', async () => {
     const configContent = JSON.stringify({
       // must be an array of strings.
-      packageWhitelist: [42, 43],
+      packageAllowlist: [42, 43],
     });
     return withFixtures(
       {
@@ -157,7 +157,7 @@ describe(__filename, () => {
         "BAR"
       ],
       /* another form of comment */
-      "packageWhitelist": [
+      "packageAllowlist": [
         "foo",  // inline comment
         "bar"
       ]
@@ -172,7 +172,7 @@ describe(__filename, () => {
         const cfg = await config.getLocalConfig('repo/directory');
         assert.ok(cfg);
         assert.deepStrictEqual(cfg!.greenLicenses, ['FOO', 'BAR']);
-        assert.deepStrictEqual(cfg!.packageWhitelist, ['foo', 'bar']);
+        assert.deepStrictEqual(cfg!.packageAllowlist, ['foo', 'bar']);
       }
     );
   });