diff --git a/.github/workflows/main_ci.yml b/.github/workflows/main_ci.yml
new file mode 100644
index 0000000..4f7d04b
--- /dev/null
+++ b/.github/workflows/main_ci.yml
@@ -0,0 +1,29 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - run: npm i
+      - run: npm run unit
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v1
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - run: npm i
+      - run: npm run standard
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6f1ffb..369f77f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+5.0.0 / 2022-02-17
+------------------
+- `decode` and `decodeUnsafe` now return a Uint8Array.
+
 4.0.0 / 2016-12-3
 ------------------
 - `decode` now returns a `Buffer` again,  to avoid potential cryptographic errors. [Daniel Cousens / #21](https://github.com/cryptocoinjs/bs58/pull/21)
diff --git a/README.md b/README.md
index 7e6957c..ca0aa19 100644
--- a/README.md
+++ b/README.md
@@ -19,14 +19,19 @@ API
 
 ### encode(input)
 
-`input` must be a [Buffer](https://nodejs.org/api/buffer.html) or an `Array`. It returns a `string`.
+`input` must be a `Uint8Array`, `Buffer`, or an `Array`. It returns a `string`.
 
 **example**:
 
 ```js
 const bs58 = require('bs58')
 
-const bytes = Buffer.from('003c176e659bea0f29a3e9bf7880c112b1b31b4dc826268187', 'hex')
+const bytes = Uint8Array.from([
+    0, 60,  23, 110, 101, 155, 234,
+   15, 41, 163, 233, 191, 120, 128,
+  193, 18, 177, 179,  27,  77, 200,
+   38, 38, 129, 135
+])
 const address = bs58.encode(bytes)
 console.log(address)
 // => 16UjcYNBG9GTK4uq2f7yYEbuifqCzoLMGS
@@ -35,7 +40,7 @@ console.log(address)
 
 ### decode(input)
 
-`input` must be a base 58 encoded string. Returns a [Buffer](https://nodejs.org/api/buffer.html).
+`input` must be a base 58 encoded string. Returns a Uint8Array.
 
 **example**:
 
@@ -44,7 +49,8 @@ const bs58 = require('bs58')
 
 const address = '16UjcYNBG9GTK4uq2f7yYEbuifqCzoLMGS'
 const bytes = bs58.decode(address)
-console.log(bytes.toString('hex'))
+// See uint8array-tools package for helpful hex encoding/decoding/compare tools
+console.log(Buffer.from(bytes).toString('hex'))
 // => 003c176e659bea0f29a3e9bf7880c112b1b31b4dc826268187
 ```
 
diff --git a/package.json b/package.json
index 7a51767..84665db 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bs58",
-  "version": "4.0.2",
+  "version": "5.0.0",
   "description": "Base 58 encoding / decoding",
   "keywords": [
     "base58",
@@ -15,7 +15,7 @@
   ],
   "license": "MIT",
   "devDependencies": {
-    "standard": "*",
+    "standard": "^16.0.4",
     "tape": "^4.6.3"
   },
   "repository": {
@@ -34,6 +34,6 @@
     "unit": "tape test/index.js"
   },
   "dependencies": {
-    "base-x": "^3.0.7"
+    "base-x": "^4.0.0"
   }
 }
diff --git a/test/index.js b/test/index.js
index 88a87cc..f4500cb 100644
--- a/test/index.js
+++ b/test/index.js
@@ -19,7 +19,7 @@ test('base58', function (t) {
   t.test('decode', function (t) {
     fixtures.valid.forEach(function (f) {
       t.test('can decode ' + f.string, function (t) {
-        const actual = base58.decode(f.string).toString('hex')
+        const actual = Buffer.from(base58.decode(f.string)).toString('hex')
         t.same(actual, f.hex)
         t.end()
       })