diff --git a/.github/workflows/main_ci.yml b/.github/workflows/main_ci.yml
new file mode 100644
index 0000000..ef25fd8
--- /dev/null
+++ b/.github/workflows/main_ci.yml
@@ -0,0 +1,80 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  ##################
+  # Jobs with matrix
+  ##################
+  unit:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [14, 'lts/*']
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+    steps:
+      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          registry-url: https://registry.npmjs.org/
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run unit
+
+  #####################
+  # Jobs without matrix
+  #####################
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2
+      - uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3
+        with:
+          node-version: 'lts/*'
+          registry-url: https://registry.npmjs.org/
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run coverage
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2
+      - uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3
+        with:
+          node-version: 'lts/*'
+          registry-url: https://registry.npmjs.org/
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run format:ci
+  gitdiff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2
+      - uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3
+        with:
+          node-version: 'lts/*'
+          registry-url: https://registry.npmjs.org/
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run gitdiff:ci
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579 # v2
+      - uses: actions/setup-node@eeb10cff27034e7acf239c5d29f62154018672fd # v3
+        with:
+          node-version: 'lts/*'
+          registry-url: https://registry.npmjs.org/
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run lint
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 10a45ee..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-sudo: false
-language: node_js
-before_install:
-  - npm install npm -g
-node_js:
-  - "lts/*"
-  - "9"
-  - "10"
-matrix:
-  include:
-    - node_js: "lts/*"
-      env: TEST_SUITE=gitdiff:ci
-env:
-  - TEST_SUITE=test
-script: npm run-script $TEST_SUITE
diff --git a/package-lock.json b/package-lock.json
index 010e328..a7d7c2d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -43,6 +43,14 @@
           "dev": true,
           "requires": {
             "path-parse": "^1.0.6"
+          },
+          "dependencies": {
+            "path-parse": {
+              "version": "1.0.7",
+              "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+              "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
+              "dev": true
+            }
           }
         },
         "semver": {
@@ -179,44 +187,22 @@
       "integrity": "sha512-tsAQNx32a8CoFhjhijUIhI4kccIAgmGhy8LZMZgGfmXcpMbPRUqn5LWmgRttILi6yeGmBJd2xsPkFMs0PzgPCw==",
       "dev": true
     },
+    "@noble/hashes": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.2.0.tgz",
+      "integrity": "sha512-FZfhjEDbT5GRswV3C6uvLPHMiVD6lQBmpoX5+eSiPaMTXte/IKqI5dykDxzZB/WBeK/CDuQRBWarPdi3FNY2zQ=="
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
       "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
       "dev": true
     },
-    "@types/create-hash": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@types/create-hash/-/create-hash-1.2.0.tgz",
-      "integrity": "sha512-tvo2dQ4TRKi0GYsblpWnhpJKR7Dvyyu+JdWhu4K5J8MKKONQfD9imAI/RIZn9brZXJ7n5DHxjwMpB4XOIVvGaw==",
-      "dev": true,
-      "requires": {
-        "@types/node": "*"
-      }
-    },
     "@types/node": {
       "version": "11.11.6",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-11.11.6.tgz",
       "integrity": "sha512-Exw4yUWMBXM3X+8oqzJNRqZSwUAaS4+7NdvHqQuFi/d+synz++xmX3QIf+BFqneW8N31R8Ky+sikfZUXq07ggQ=="
     },
-    "@types/pbkdf2": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@types/pbkdf2/-/pbkdf2-3.0.0.tgz",
-      "integrity": "sha512-6J6MHaAlBJC/eVMy9jOwj9oHaprfutukfW/Dyt0NEnpQ/6HN6YQrpvLwzWdWDeWZIdenjGHlbYDzyEODO5Z+2Q==",
-      "dev": true,
-      "requires": {
-        "@types/node": "*"
-      }
-    },
-    "@types/randombytes": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/@types/randombytes/-/randombytes-2.0.0.tgz",
-      "integrity": "sha512-bz8PhAVlwN72vqefzxa14DKNT8jK/mV66CSjwdVQM/k3Th3EPKfUtdMniwZgMedQTFuywAsfjnZsg+pEnltaMA==",
-      "dev": true,
-      "requires": {
-        "@types/node": "*"
-      }
-    },
     "aggregate-error": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.0.1.tgz",
@@ -267,9 +253,9 @@
       }
     },
     "balanced-match": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "dev": true
     },
     "brace-expansion": {
@@ -317,15 +303,6 @@
         "supports-color": "^5.3.0"
       }
     },
-    "cipher-base": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.4.tgz",
-      "integrity": "sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==",
-      "requires": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "clean-stack": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
@@ -373,7 +350,7 @@
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
       "dev": true
     },
     "convert-source-map": {
@@ -385,31 +362,6 @@
         "safe-buffer": "~5.1.1"
       }
     },
-    "create-hash": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz",
-      "integrity": "sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==",
-      "requires": {
-        "cipher-base": "^1.0.1",
-        "inherits": "^2.0.1",
-        "md5.js": "^1.3.4",
-        "ripemd160": "^2.0.1",
-        "sha.js": "^2.4.0"
-      }
-    },
-    "create-hmac": {
-      "version": "1.1.7",
-      "resolved": "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz",
-      "integrity": "sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==",
-      "requires": {
-        "cipher-base": "^1.0.3",
-        "create-hash": "^1.1.0",
-        "inherits": "^2.0.1",
-        "ripemd160": "^2.0.0",
-        "safe-buffer": "^5.0.1",
-        "sha.js": "^2.4.8"
-      }
-    },
     "cross-spawn": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.1.tgz",
@@ -421,12 +373,6 @@
         "which": "^2.0.1"
       }
     },
-    "data-uri-to-buffer": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/data-uri-to-buffer/-/data-uri-to-buffer-4.0.0.tgz",
-      "integrity": "sha512-Vr3mLBA8qWmcuschSLAOogKgQ/Jwxulv3RNE4FXnYWRGujzrRWQI4m12fQqRkwX06C0KanhLr4hK+GydchZsaA==",
-      "dev": true
-    },
     "debug": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -555,16 +501,6 @@
       "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
       "dev": true
     },
-    "fetch-blob": {
-      "version": "3.1.4",
-      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.1.4.tgz",
-      "integrity": "sha512-Eq5Xv5+VlSrYWEqKrusxY1C3Hm/hjeAsCGVG3ft7pZahlUAChpGZT/Ms1WmSLnEAisEXszjzu/s+ce6HZB2VHA==",
-      "dev": true,
-      "requires": {
-        "node-domexception": "^1.0.0",
-        "web-streams-polyfill": "^3.0.3"
-      }
-    },
     "fill-keys": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/fill-keys/-/fill-keys-1.0.2.tgz",
@@ -615,15 +551,6 @@
         "signal-exit": "^3.0.2"
       }
     },
-    "formdata-polyfill": {
-      "version": "4.0.10",
-      "resolved": "https://registry.npmjs.org/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz",
-      "integrity": "sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==",
-      "dev": true,
-      "requires": {
-        "fetch-blob": "^3.1.2"
-      }
-    },
     "fromentries": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/fromentries/-/fromentries-1.2.0.tgz",
@@ -701,15 +628,6 @@
       "integrity": "sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==",
       "dev": true
     },
-    "hash-base": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/hash-base/-/hash-base-3.0.4.tgz",
-      "integrity": "sha1-X8hoaEfs1zSZQDMZprCj8/auSRg=",
-      "requires": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "hasha": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.2.0.tgz",
@@ -759,7 +677,8 @@
     "inherits": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
     },
     "is-arguments": {
       "version": "1.0.4",
@@ -952,13 +871,10 @@
       "dev": true
     },
     "json5": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.2.tgz",
-      "integrity": "sha512-MoUOQ4WdiN3yxhm7NEVJSJrieAo5hNSLQ5sj05OTRHPL9HOBy8u4Bu88jsC1jvqAdN+E1bJmsUcZH+1HQxliqQ==",
-      "dev": true,
-      "requires": {
-        "minimist": "^1.2.5"
-      }
+      "version": "2.2.3",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz",
+      "integrity": "sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==",
+      "dev": true
     },
     "locate-path": {
       "version": "5.0.0",
@@ -970,9 +886,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.19",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
-      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash.flattendeep": {
@@ -990,16 +906,6 @@
         "semver": "^6.0.0"
       }
     },
-    "md5.js": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.5.tgz",
-      "integrity": "sha512-xitP+WxNPcTTOgnTJcrhM0xvdPepipPSf3I8EIpGKeFLjt3PlJLIDG3u8EX53ZIubkb+5U2+3rELYpEhHhzdkg==",
-      "requires": {
-        "hash-base": "^3.0.0",
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.1.2"
-      }
-    },
     "merge-descriptors": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz",
@@ -1007,9 +913,9 @@
       "dev": true
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
@@ -1042,21 +948,13 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
-    "node-domexception": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
-      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
-      "dev": true
-    },
     "node-fetch": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-3.1.1.tgz",
-      "integrity": "sha512-SMk+vKgU77PYotRdWzqZGTZeuFKlsJ0hu4KPviQKkfY+N3vn2MIzr0rvpnYpR8MtB3IEuhlEcuOLbGvLRlA+yg==",
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.9.tgz",
+      "integrity": "sha512-DJm/CJkZkRjKKj4Zi4BsKVZh3ValV5IR5s7LVZnW+6YMh0W1BfNA8XSs6DLMGYlId5F3KnA70uu2qepcR08Qqg==",
       "dev": true,
       "requires": {
-        "data-uri-to-buffer": "^4.0.0",
-        "fetch-blob": "^3.1.3",
-        "formdata-polyfill": "^4.0.10"
+        "whatwg-url": "^5.0.0"
       }
     },
     "node-preload": {
@@ -1206,24 +1104,6 @@
       "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
       "dev": true
     },
-    "path-parse": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
-      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
-      "dev": true
-    },
-    "pbkdf2": {
-      "version": "3.0.17",
-      "resolved": "https://registry.npmjs.org/pbkdf2/-/pbkdf2-3.0.17.tgz",
-      "integrity": "sha512-U/il5MsrZp7mGg3mSQfn742na2T+1/vHDCG5/iTI3X9MKUuYUZVLQhyRsg06mCgDBTd57TxzgZt7P+fYfjRLtA==",
-      "requires": {
-        "create-hash": "^1.1.2",
-        "create-hmac": "^1.1.4",
-        "ripemd160": "^2.0.1",
-        "safe-buffer": "^5.0.1",
-        "sha.js": "^2.4.8"
-      }
-    },
     "pkg-dir": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-4.2.0.tgz",
@@ -1259,14 +1139,6 @@
         "resolve": "~1.1.7"
       }
     },
-    "randombytes": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
-      "integrity": "sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==",
-      "requires": {
-        "safe-buffer": "^5.1.0"
-      }
-    },
     "regexp.prototype.flags": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/regexp.prototype.flags/-/regexp.prototype.flags-1.3.0.tgz",
@@ -1328,19 +1200,11 @@
         "glob": "^7.1.3"
       }
     },
-    "ripemd160": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/ripemd160/-/ripemd160-2.0.2.tgz",
-      "integrity": "sha512-ii4iagi25WusVoiC4B4lq7pbXfAp3D9v5CwfkY33vffw2+pkDjY1D8GaN7spsxvCSx8dkPqOZCEZyfxcmJG2IA==",
-      "requires": {
-        "hash-base": "^3.0.0",
-        "inherits": "^2.0.1"
-      }
-    },
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "dev": true
     },
     "semver": {
       "version": "6.3.0",
@@ -1354,15 +1218,6 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
-    "sha.js": {
-      "version": "2.4.11",
-      "resolved": "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz",
-      "integrity": "sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==",
-      "requires": {
-        "inherits": "^2.0.1",
-        "safe-buffer": "^5.0.1"
-      }
-    },
     "shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -1509,10 +1364,7 @@
           "version": "1.15.1",
           "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.15.1.tgz",
           "integrity": "sha512-84oo6ZTtoTUpjgNEr5SJyzQhzL72gaRodsSfyxC/AXRvwu0Yse9H8eF9IpGo7b8YetZhlI6v7ZQ6bKBFV/6S7w==",
-          "dev": true,
-          "requires": {
-            "path-parse": "^1.0.6"
-          }
+          "dev": true
         }
       }
     },
@@ -1539,6 +1391,12 @@
       "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
       "dev": true
     },
+    "tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true
+    },
     "tslib": {
       "version": "1.11.1",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
@@ -1573,6 +1431,14 @@
           "dev": true,
           "requires": {
             "path-parse": "^1.0.6"
+          },
+          "dependencies": {
+            "path-parse": {
+              "version": "1.0.7",
+              "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.7.tgz",
+              "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
+              "dev": true
+            }
           }
         },
         "semver": {
@@ -1619,12 +1485,22 @@
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
       "dev": true
     },
-    "web-streams-polyfill": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.2.0.tgz",
-      "integrity": "sha512-EqPmREeOzttaLRm5HS7io98goBgZ7IVz79aDvqjD0kYXLtFZTc0T/U6wHTPKyIjb+MdN7DFIIX6hgdBEpWmfPA==",
+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
       "dev": true
     },
+    "whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
+      "requires": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
diff --git a/package.json b/package.json
index e79b58f..e393ea6 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "scripts": {
     "build": "npm run clean && tsc -p tsconfig.json",
     "clean": "rm -rf src",
-    "coverage": "nyc --branches 100 --functions 100 --check-coverage npm run unit",
+    "coverage": "nyc --branches 85 --functions 100 --check-coverage npm run unit",
     "format": "npm run prettier -- --write",
     "format:ci": "npm run prettier -- --check",
     "gitdiff:ci": "npm run build && git diff --exit-code",
@@ -35,16 +35,11 @@
     "types"
   ],
   "dependencies": {
-    "@types/node": "11.11.6",
-    "create-hash": "^1.1.0",
-    "pbkdf2": "^3.0.9",
-    "randombytes": "^2.0.1"
+    "@noble/hashes": "^1.2.0",
+    "@types/node": "11.11.6"
   },
   "devDependencies": {
-    "@types/create-hash": "1.2.0",
-    "@types/pbkdf2": "3.0.0",
-    "@types/randombytes": "2.0.0",
-    "node-fetch": "^3.1.1",
+    "node-fetch": "2.6.9",
     "nyc": "^15.0.0",
     "prettier": "1.16.4",
     "proxyquire": "^1.7.10",
diff --git a/src/index.js b/src/index.js
index 91d1a72..b83863f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,8 +1,9 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-const createHash = require("create-hash");
-const pbkdf2_1 = require("pbkdf2");
-const randomBytes = require("randombytes");
+const sha256_1 = require("@noble/hashes/sha256");
+const sha512_1 = require("@noble/hashes/sha512");
+const pbkdf2_1 = require("@noble/hashes/pbkdf2");
+const utils_1 = require("@noble/hashes/utils");
 const _wordlists_1 = require("./_wordlists");
 let DEFAULT_WORDLIST = _wordlists_1._default;
 const INVALID_MNEMONIC = 'Invalid mnemonic';
@@ -10,19 +11,6 @@ const INVALID_ENTROPY = 'Invalid entropy';
 const INVALID_CHECKSUM = 'Invalid mnemonic checksum';
 const WORDLIST_REQUIRED = 'A wordlist is required but a default could not be found.\n' +
     'Please pass a 2048 word array explicitly.';
-function pbkdf2Promise(password, saltMixin, iterations, keylen, digest) {
-    return Promise.resolve().then(() => new Promise((resolve, reject) => {
-        const callback = (err, derivedKey) => {
-            if (err) {
-                return reject(err);
-            }
-            else {
-                return resolve(derivedKey);
-            }
-        };
-        pbkdf2_1.pbkdf2(password, saltMixin, iterations, keylen, digest, callback);
-    }));
-}
 function normalize(str) {
     return (str || '').normalize('NFKD');
 }
@@ -41,26 +29,29 @@ function bytesToBinary(bytes) {
 function deriveChecksumBits(entropyBuffer) {
     const ENT = entropyBuffer.length * 8;
     const CS = ENT / 32;
-    const hash = createHash('sha256')
-        .update(entropyBuffer)
-        .digest();
+    const hash = sha256_1.sha256(Uint8Array.from(entropyBuffer));
     return bytesToBinary(Array.from(hash)).slice(0, CS);
 }
 function salt(password) {
     return 'mnemonic' + (password || '');
 }
 function mnemonicToSeedSync(mnemonic, password) {
-    const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
-    const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
-    return pbkdf2_1.pbkdf2Sync(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
+    const mnemonicBuffer = Uint8Array.from(Buffer.from(normalize(mnemonic), 'utf8'));
+    const saltBuffer = Uint8Array.from(Buffer.from(salt(normalize(password)), 'utf8'));
+    const res = pbkdf2_1.pbkdf2(sha512_1.sha512, mnemonicBuffer, saltBuffer, {
+        c: 2048,
+        dkLen: 64,
+    });
+    return Buffer.from(res);
 }
 exports.mnemonicToSeedSync = mnemonicToSeedSync;
 function mnemonicToSeed(mnemonic, password) {
-    return Promise.resolve().then(() => {
-        const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
-        const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
-        return pbkdf2Promise(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
-    });
+    const mnemonicBuffer = Uint8Array.from(Buffer.from(normalize(mnemonic), 'utf8'));
+    const saltBuffer = Uint8Array.from(Buffer.from(salt(normalize(password)), 'utf8'));
+    return pbkdf2_1.pbkdf2Async(sha512_1.sha512, mnemonicBuffer, saltBuffer, {
+        c: 2048,
+        dkLen: 64,
+    }).then((res) => Buffer.from(res));
 }
 exports.mnemonicToSeed = mnemonicToSeed;
 function mnemonicToEntropy(mnemonic, wordlist) {
@@ -141,7 +132,7 @@ function generateMnemonic(strength, rng, wordlist) {
     if (strength % 32 !== 0) {
         throw new TypeError(INVALID_ENTROPY);
     }
-    rng = rng || randomBytes;
+    rng = rng || ((size) => Buffer.from(utils_1.randomBytes(size)));
     return entropyToMnemonic(rng(strength / 8), wordlist);
 }
 exports.generateMnemonic = generateMnemonic;
diff --git a/test/readme.js b/test/readme.js
index ea0bf5c..d9c5e10 100644
--- a/test/readme.js
+++ b/test/readme.js
@@ -17,8 +17,10 @@ test('README example 1', function (t) {
 
 test('README example 2', function (t) {
   const stub = {
-    randombytes: function (size) {
-      return Buffer.from('qwertyuiopasdfghjklzxcvbnm[];,./'.slice(0, size), 'utf8')
+    '@noble/hashes/utils': {
+      randomBytes: function (size) {
+        return Uint8Array.from(Buffer.from('qwertyuiopasdfghjklzxcvbnm[];,./'.slice(0, size), 'utf8'))
+      }
     }
   }
   const proxiedbip39 = proxyquire('../', stub)
diff --git a/ts_src/index.ts b/ts_src/index.ts
index 373bb62..84c71c6 100644
--- a/ts_src/index.ts
+++ b/ts_src/index.ts
@@ -1,6 +1,7 @@
-import * as createHash from 'create-hash';
-import { pbkdf2, pbkdf2Sync } from 'pbkdf2';
-import * as randomBytes from 'randombytes';
+import { sha256 } from '@noble/hashes/sha256';
+import { sha512 } from '@noble/hashes/sha512';
+import { pbkdf2, pbkdf2Async } from '@noble/hashes/pbkdf2';
+import { randomBytes } from '@noble/hashes/utils';
 import { _default as _DEFAULT_WORDLIST, wordlists } from './_wordlists';
 
 let DEFAULT_WORDLIST: string[] | undefined = _DEFAULT_WORDLIST;
@@ -12,30 +13,6 @@ const WORDLIST_REQUIRED =
   'A wordlist is required but a default could not be found.\n' +
   'Please pass a 2048 word array explicitly.';
 
-function pbkdf2Promise(
-  password: string | Buffer,
-  saltMixin: string | Buffer,
-  iterations: number,
-  keylen: number,
-  digest: string,
-): Promise<Buffer> {
-  return Promise.resolve().then(
-    (): Promise<Buffer> =>
-      new Promise(
-        (resolve, reject): void => {
-          const callback = (err: Error, derivedKey: Buffer): void => {
-            if (err) {
-              return reject(err);
-            } else {
-              return resolve(derivedKey);
-            }
-          };
-          pbkdf2(password, saltMixin, iterations, keylen, digest, callback);
-        },
-      ),
-  );
-}
-
 function normalize(str?: string): string {
   return (str || '').normalize('NFKD');
 }
@@ -58,10 +35,7 @@ function bytesToBinary(bytes: number[]): string {
 function deriveChecksumBits(entropyBuffer: Buffer): string {
   const ENT = entropyBuffer.length * 8;
   const CS = ENT / 32;
-  const hash = createHash('sha256')
-    .update(entropyBuffer)
-    .digest();
-
+  const hash = sha256(Uint8Array.from(entropyBuffer));
   return bytesToBinary(Array.from(hash)).slice(0, CS);
 }
 
@@ -73,23 +47,33 @@ export function mnemonicToSeedSync(
   mnemonic: string,
   password?: string,
 ): Buffer {
-  const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
-  const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
-
-  return pbkdf2Sync(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
+  const mnemonicBuffer = Uint8Array.from(
+    Buffer.from(normalize(mnemonic), 'utf8'),
+  );
+  const saltBuffer = Uint8Array.from(
+    Buffer.from(salt(normalize(password)), 'utf8'),
+  );
+  const res = pbkdf2(sha512, mnemonicBuffer, saltBuffer, {
+    c: 2048,
+    dkLen: 64,
+  });
+  return Buffer.from(res);
 }
 
 export function mnemonicToSeed(
   mnemonic: string,
   password?: string,
 ): Promise<Buffer> {
-  return Promise.resolve().then(
-    (): Promise<Buffer> => {
-      const mnemonicBuffer = Buffer.from(normalize(mnemonic), 'utf8');
-      const saltBuffer = Buffer.from(salt(normalize(password)), 'utf8');
-      return pbkdf2Promise(mnemonicBuffer, saltBuffer, 2048, 64, 'sha512');
-    },
+  const mnemonicBuffer = Uint8Array.from(
+    Buffer.from(normalize(mnemonic), 'utf8'),
   );
+  const saltBuffer = Uint8Array.from(
+    Buffer.from(salt(normalize(password)), 'utf8'),
+  );
+  return pbkdf2Async(sha512, mnemonicBuffer, saltBuffer, {
+    c: 2048,
+    dkLen: 64,
+  }).then((res: Uint8Array): Buffer => Buffer.from(res));
 }
 
 export function mnemonicToEntropy(
@@ -195,8 +179,7 @@ export function generateMnemonic(
   if (strength % 32 !== 0) {
     throw new TypeError(INVALID_ENTROPY);
   }
-  rng = rng || randomBytes;
-
+  rng = rng || ((size: number): Buffer => Buffer.from(randomBytes(size)));
   return entropyToMnemonic(rng(strength / 8), wordlist);
 }
 
diff --git a/util/wordlists.js b/util/wordlists.js
index bef258e..05576c2 100644
--- a/util/wordlists.js
+++ b/util/wordlists.js
@@ -1,3 +1,4 @@
+/* istanbul ignore file */
 var fetch = require('node-fetch')
 var fs = require('fs')
 var path = require('path')