diff --git a/.eslintrc.cjs b/.eslintrc.cjs
deleted file mode 100644
index 23adea21..00000000
--- a/.eslintrc.cjs
+++ /dev/null
@@ -1,14 +0,0 @@
-module.exports = {
-  root: true,
-  env: {
-    node: true
-  },
-  extends: [
-    'digitalbazaar',
-    'digitalbazaar/jsdoc',
-    'digitalbazaar/module'
-  ],
-  rules: {
-    'unicorn/prefer-node-protocol': 'error'
-  }
-};
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yaml
similarity index 66%
rename from .github/workflows/main.yml
rename to .github/workflows/main.yaml
index 5e9eaa76..ea170aea 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yaml
@@ -2,72 +2,79 @@ name: Node.js CI
 
 on: [push]
 
+permissions: {}
+
 jobs:
   lint:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [24.x]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
     - name: Run eslint
       run: npm run lint
   test-node:
-    needs: [lint]
     runs-on: ubuntu-latest
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 22.x, 24.x]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
     - name: Run test with Node.js ${{ matrix.node-version }}
       run: npm run test-node
   test-karma:
-    needs: [lint]
     runs-on: ubuntu-latest
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [24.x]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
     - name: Run karma tests
       run: npm run test-karma
   coverage:
-    needs: [test-node, test-karma]
     runs-on: ubuntu-latest
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [24.x]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
+      with:
+        persist-credentials: false
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
     - name: Generate coverage report
       run: npm run coverage-ci
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v4
+      uses: codecov/codecov-action@v5
       with:
-        file: ./coverage/lcov.info
+        files: ./coverage/lcov.info
         fail_ci_if_error: true
         token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59da6688..f79634f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # @digitalbazaar/cborld ChangeLog
 
+## 8.1.0 - 2026-xx-xx
+
+### Changed
+- Update dependencies. Notable:
+  - `cborg@5`.
+  - `uuid@14`.
+- Update dev dependencies.
+- **NOTE**: Update supported platforms.
+  - Test on Node.js >=20.
+  - Update `engines.node` to `>=20`.
+  - Update README requirements section.
+
 ## 8.0.2 - 2025-09-05
 
 ### Fixed
diff --git a/LICENSE b/LICENSE
index 8569ca83..1206dc1e 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,4 @@
-Copyright (c) 2020, Digital Bazaar, Inc.
-All rights reserved.
+Copyright (c) 2020-2026, Digital Bazaar, Inc.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
diff --git a/README.md b/README.md
index 888d309d..288410c2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # JavaScript CBOR-LD Processor
 
-[![Build Status](https://img.shields.io/github/actions/workflow/status/digitalbazaar/cborld/main.yml)](https://github.com/digitalbazaar/cborld/actions/workflows/main.yml)
+[![Build Status](https://img.shields.io/github/actions/workflow/status/digitalbazaar/cborld/main.yaml)](https://github.com/digitalbazaar/cborld/actions/workflows/main.yaml)
 [![Coverage Status](https://img.shields.io/codecov/c/github/digitalbazaar/cborld)](https://codecov.io/gh/digitalbazaar/cborld)
 
 > A JavaScript CBOR-LD Process for Web browsers and Node.js apps.
@@ -22,7 +22,10 @@ applications.
 
 ## Install
 
-- Browsers and Node.js 18+ are supported.
+This software requires and supports maintained recent versions of Node.js and
+browsers. Updates may remove support for older unmaintained platform versions.
+Please use dependency version lock files and testing to ensure compatibility
+with this software.
 
 ### NPM
 
diff --git a/eslint.config.js b/eslint.config.js
new file mode 100644
index 00000000..45e24052
--- /dev/null
+++ b/eslint.config.js
@@ -0,0 +1,5 @@
+import config from '@digitalbazaar/eslint-config/universal-recommended';
+
+export default [
+  ...config
+];
diff --git a/karma.conf.cjs b/karma.conf.cjs
index d15bb86e..4181c1eb 100644
--- a/karma.conf.cjs
+++ b/karma.conf.cjs
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2022 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 module.exports = function(config) {
 
diff --git a/lib/ActiveContext.js b/lib/ActiveContext.js
index d9b7605f..2cf80edd 100644
--- a/lib/ActiveContext.js
+++ b/lib/ActiveContext.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldError} from './CborldError.js';
 
@@ -7,7 +7,7 @@ export class ActiveContext {
   constructor({
     termMap = new Map(),
     previous,
-    contextLoader = previous?.contextLoader,
+    contextLoader = previous?.contextLoader
   } = {}) {
     this.termMap = termMap;
     this.previous = previous;
diff --git a/lib/CborldError.js b/lib/CborldError.js
index c8d6d81a..423e4528 100644
--- a/lib/CborldError.js
+++ b/lib/CborldError.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 export class CborldError extends Error {
   constructor(code, message) {
diff --git a/lib/Compressor.js b/lib/Compressor.js
index 9e062856..1ef6d545 100644
--- a/lib/Compressor.js
+++ b/lib/Compressor.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {ContextEncoder} from './codecs/ContextEncoder.js';
 import {KEYWORDS_TABLE} from './tables.js';
diff --git a/lib/ContextLoader.js b/lib/ContextLoader.js
index cc889d69..98a4e24f 100644
--- a/lib/ContextLoader.js
+++ b/lib/ContextLoader.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {FIRST_CUSTOM_TERM_ID, KEYWORDS_TABLE, reverseMap} from './tables.js';
 import {CborldError} from './CborldError.js';
diff --git a/lib/Converter.js b/lib/Converter.js
index 40b57fec..8badb06d 100644
--- a/lib/Converter.js
+++ b/lib/Converter.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {
   LEGACY_TYPE_TABLE_ENCODED_AS_BYTES,
diff --git a/lib/Decompressor.js b/lib/Decompressor.js
index c2faf7cf..9eed1c16 100644
--- a/lib/Decompressor.js
+++ b/lib/Decompressor.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {KEYWORDS_TABLE, reverseMap} from './tables.js';
 import {CborldError} from './CborldError.js';
diff --git a/lib/codecs/Base58DidUrlDecoder.js b/lib/codecs/Base58DidUrlDecoder.js
index f4c9b0f9..f9d18ce7 100644
--- a/lib/codecs/Base58DidUrlDecoder.js
+++ b/lib/codecs/Base58DidUrlDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 import {encode as encodeBase58} from 'base58-universal';
diff --git a/lib/codecs/Base58DidUrlEncoder.js b/lib/codecs/Base58DidUrlEncoder.js
index bc15920a..db456136 100644
--- a/lib/codecs/Base58DidUrlEncoder.js
+++ b/lib/codecs/Base58DidUrlEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/codecs/CborldDecoder.js b/lib/codecs/CborldDecoder.js
index b78c17d9..825d4dd3 100644
--- a/lib/codecs/CborldDecoder.js
+++ b/lib/codecs/CborldDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 export class CborldDecoder {
   decode() {
diff --git a/lib/codecs/CborldEncoder.js b/lib/codecs/CborldEncoder.js
index 9a59fe3c..3652c973 100644
--- a/lib/codecs/CborldEncoder.js
+++ b/lib/codecs/CborldEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 export class CborldEncoder {
   encode() {
diff --git a/lib/codecs/ContextDecoder.js b/lib/codecs/ContextDecoder.js
index dbd7da8f..097dbc2f 100644
--- a/lib/codecs/ContextDecoder.js
+++ b/lib/codecs/ContextDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 import {CborldError} from '../CborldError.js';
diff --git a/lib/codecs/ContextEncoder.js b/lib/codecs/ContextEncoder.js
index 12d14056..ac21dac8 100644
--- a/lib/codecs/ContextEncoder.js
+++ b/lib/codecs/ContextEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/codecs/DataUrlDecoder.js b/lib/codecs/DataUrlDecoder.js
index 32649180..6190470f 100644
--- a/lib/codecs/DataUrlDecoder.js
+++ b/lib/codecs/DataUrlDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {Base64} from 'js-base64';
 import {CborldDecoder} from './CborldDecoder.js';
diff --git a/lib/codecs/DataUrlEncoder.js b/lib/codecs/DataUrlEncoder.js
index ad4f63f2..6ca8aa29 100644
--- a/lib/codecs/DataUrlEncoder.js
+++ b/lib/codecs/DataUrlEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {Base64} from 'js-base64';
diff --git a/lib/codecs/HttpUrlDecoder.js b/lib/codecs/HttpUrlDecoder.js
index e2e6314b..ef5bab2c 100644
--- a/lib/codecs/HttpUrlDecoder.js
+++ b/lib/codecs/HttpUrlDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 import {REVERSE_URL_SCHEME_TABLE} from '../tables.js';
diff --git a/lib/codecs/HttpUrlEncoder.js b/lib/codecs/HttpUrlEncoder.js
index 911b166e..909fb491 100644
--- a/lib/codecs/HttpUrlEncoder.js
+++ b/lib/codecs/HttpUrlEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/codecs/MultibaseDecoder.js b/lib/codecs/MultibaseDecoder.js
index 848f6c9b..73de96b8 100644
--- a/lib/codecs/MultibaseDecoder.js
+++ b/lib/codecs/MultibaseDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import * as base64url from 'base64url-universal';
 import {Base64} from 'js-base64';
diff --git a/lib/codecs/MultibaseEncoder.js b/lib/codecs/MultibaseEncoder.js
index a911036e..8dbd4cdb 100644
--- a/lib/codecs/MultibaseEncoder.js
+++ b/lib/codecs/MultibaseEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import * as base64url from 'base64url-universal';
 import {Token, Type} from 'cborg';
diff --git a/lib/codecs/UrlDecoder.js b/lib/codecs/UrlDecoder.js
index a1767002..c90e1e1a 100644
--- a/lib/codecs/UrlDecoder.js
+++ b/lib/codecs/UrlDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Base58DidUrlDecoder} from './Base58DidUrlDecoder.js';
 import {CborldDecoder} from './CborldDecoder.js';
diff --git a/lib/codecs/UrlEncoder.js b/lib/codecs/UrlEncoder.js
index 7d22ba8f..05183384 100644
--- a/lib/codecs/UrlEncoder.js
+++ b/lib/codecs/UrlEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {Base58DidUrlEncoder} from './Base58DidUrlEncoder.js';
@@ -56,7 +56,7 @@ export class UrlEncoder extends CborldEncoder {
       const split = value.split(':');
       split.pop();
       scheme = split.join(':');
-    } catch(e) {
+    } catch {
       return;
     }
 
diff --git a/lib/codecs/UuidUrnDecoder.js b/lib/codecs/UuidUrnDecoder.js
index 06df9cee..b9facece 100644
--- a/lib/codecs/UuidUrnDecoder.js
+++ b/lib/codecs/UuidUrnDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 import {stringify} from 'uuid';
diff --git a/lib/codecs/UuidUrnEncoder.js b/lib/codecs/UuidUrnEncoder.js
index 7e402355..00d82838 100644
--- a/lib/codecs/UuidUrnEncoder.js
+++ b/lib/codecs/UuidUrnEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/codecs/ValueDecoder.js b/lib/codecs/ValueDecoder.js
index 6fbf8d6e..c85180cd 100644
--- a/lib/codecs/ValueDecoder.js
+++ b/lib/codecs/ValueDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {
   getTableType,
diff --git a/lib/codecs/ValueEncoder.js b/lib/codecs/ValueEncoder.js
index 86c79ce1..04bafd82 100644
--- a/lib/codecs/ValueEncoder.js
+++ b/lib/codecs/ValueEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {
   bytesFromInt,
diff --git a/lib/codecs/XsdDateDecoder.js b/lib/codecs/XsdDateDecoder.js
index f450d7b6..81d71fb7 100644
--- a/lib/codecs/XsdDateDecoder.js
+++ b/lib/codecs/XsdDateDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 
diff --git a/lib/codecs/XsdDateEncoder.js b/lib/codecs/XsdDateEncoder.js
index ecada4bf..57b77d1a 100644
--- a/lib/codecs/XsdDateEncoder.js
+++ b/lib/codecs/XsdDateEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/codecs/XsdDateTimeDecoder.js b/lib/codecs/XsdDateTimeDecoder.js
index 976ae5fe..e69aa386 100644
--- a/lib/codecs/XsdDateTimeDecoder.js
+++ b/lib/codecs/XsdDateTimeDecoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {CborldDecoder} from './CborldDecoder.js';
 
diff --git a/lib/codecs/XsdDateTimeEncoder.js b/lib/codecs/XsdDateTimeEncoder.js
index a3172047..babf76d1 100644
--- a/lib/codecs/XsdDateTimeEncoder.js
+++ b/lib/codecs/XsdDateTimeEncoder.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
diff --git a/lib/decode.js b/lib/decode.js
index 8471d87b..f7d84ca8 100644
--- a/lib/decode.js
+++ b/lib/decode.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {createLegacyTypeTable, createTypeTable} from './tables.js';
 import {CborldError} from './CborldError.js';
diff --git a/lib/encode.js b/lib/encode.js
index afcc6e32..47e7196c 100644
--- a/lib/encode.js
+++ b/lib/encode.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import * as cborg from 'cborg';
 import * as varint from 'varint';
diff --git a/lib/helpers.js b/lib/helpers.js
index 6cea93d2..6fe744dd 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {CborldError} from './CborldError.js';
 
diff --git a/lib/index.js b/lib/index.js
index 4734f120..6060d704 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 export {decode} from './decode.js';
 export {encode} from './encode.js';
diff --git a/lib/parser.js b/lib/parser.js
index 8199bf8e..ad4d45e5 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {decode, Token, Tokenizer, Type} from 'cborg';
 import {CborldError} from './CborldError.js';
diff --git a/lib/tables.js b/lib/tables.js
index 5a571ebe..01f99be1 100644
--- a/lib/tables.js
+++ b/lib/tables.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2021-2024 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2026 Digital Bazaar, Inc.
  */
 export const KEYWORDS_TABLE = new Map([
   // ordered is important, do not change
diff --git a/lib/util-browser.js b/lib/util-browser.js
index 5da25fa8..151ff3ca 100644
--- a/lib/util-browser.js
+++ b/lib/util-browser.js
@@ -1,5 +1,4 @@
 // browser support
-/* eslint-env browser */
 /* eslint-disable-next-line no-unused-vars */
 export function inspect(data, options) {
   return JSON.stringify(data, null, 2);
diff --git a/package.json b/package.json
index ca8e2594..c168195b 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "lib/**/*.js"
   ],
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "scripts": {
     "test": "npm run test-node",
@@ -41,43 +41,41 @@
     "coverage": "cross-env NODE_ENV=test c8 npm run test-node",
     "coverage-ci": "cross-env NODE_ENV=test c8 --reporter=lcovonly --reporter=text-summary --reporter=text npm run test-node",
     "coverage-report": "c8 report",
-    "lint": "eslint --ext .cjs,.js ."
+    "lint": "eslint"
   },
   "dependencies": {
     "base58-universal": "^2.0.0",
     "base64url-universal": "^2.0.0",
-    "cborg": "^4.2.2",
-    "js-base64": "^3.7.7",
-    "uuid": "^10.0.0",
+    "cborg": "^5.1.1",
+    "js-base64": "^3.7.8",
+    "uuid": "^14.0.0",
     "varint": "^6.0.0"
   },
   "devDependencies": {
-    "@digitalbazaar/did-method-key": "^5.2.0",
-    "@digitalbazaar/ed25519-multikey": "^1.1.0",
+    "@digitalbazaar/did-method-key": "^5.3.0",
+    "@digitalbazaar/ed25519-multikey": "^1.3.1",
+    "@digitalbazaar/eslint-config": "^8.0.1",
     "@digitalbazaar/multikey-context": "^2.0.1",
-    "c8": "^10.1.2",
-    "chai": "^4.4.1",
+    "c8": "^11.0.0",
+    "chai": "^4.5.0",
     "chai-bytes": "^0.1.2",
     "cit-context": "^2.0.1",
     "citizenship-context": "^3.0.0",
     "credentials-context": "^2.0.0",
-    "cross-env": "^7.0.3",
+    "cross-env": "^10.1.0",
     "did-context": "^3.1.1",
     "ed25519-signature-2020-context": "^1.1.0",
-    "eslint": "^8.57.0",
-    "eslint-config-digitalbazaar": "^5.2.0",
-    "eslint-plugin-jsdoc": "^48.5.0",
-    "eslint-plugin-unicorn": "^54.0.0",
-    "karma": "^6.4.3",
+    "eslint": "^9.39.4",
+    "karma": "^6.4.4",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.2.0",
     "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
     "karma-sourcemap-loader": "^0.4.0",
     "karma-webpack": "^5.0.1",
-    "mocha": "^10.5.2",
+    "mocha": "^11.7.5",
     "mocha-lcov-reporter": "^1.3.0",
-    "webpack": "^5.92.1"
+    "webpack": "^5.106.2"
   },
   "c8": {
     "reporter": [
diff --git a/tests/.eslintrc.cjs b/tests/.eslintrc.cjs
deleted file mode 100644
index bf3479fb..00000000
--- a/tests/.eslintrc.cjs
+++ /dev/null
@@ -1,5 +0,0 @@
-module.exports = {
-  env: {
-    mocha: true
-  }
-};
diff --git a/tests/UuidUrnDecoder.spec.js b/tests/UuidUrnDecoder.spec.js
index 5230e055..1561da78 100644
--- a/tests/UuidUrnDecoder.spec.js
+++ b/tests/UuidUrnDecoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2021-2026 Digital Bazaar, Inc.
 */
 import {expect} from 'chai';
 import {UuidUrnDecoder} from '../lib/codecs/UuidUrnDecoder.js';
diff --git a/tests/UuidUrnEncoder.spec.js b/tests/UuidUrnEncoder.spec.js
index 39c17700..5b433051 100644
--- a/tests/UuidUrnEncoder.spec.js
+++ b/tests/UuidUrnEncoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2021-2026 Digital Bazaar, Inc.
 */
 import {expect} from 'chai';
 import {UuidUrnEncoder} from '../lib/codecs/UuidUrnEncoder.js';
diff --git a/tests/XsdDateDecoder.spec.js b/tests/XsdDateDecoder.spec.js
index dcd9501a..b50f5e63 100644
--- a/tests/XsdDateDecoder.spec.js
+++ b/tests/XsdDateDecoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2020-2021 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2020-2026 Digital Bazaar, Inc.
 */
 // import {
 //   expect
diff --git a/tests/XsdDateEncoder.spec.js b/tests/XsdDateEncoder.spec.js
index 49f42bce..9aed8c9a 100644
--- a/tests/XsdDateEncoder.spec.js
+++ b/tests/XsdDateEncoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2020 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2020-2026 Digital Bazaar, Inc.
 */
 // import {
 //   expect
diff --git a/tests/XsdDateTimeDecoder.spec.js b/tests/XsdDateTimeDecoder.spec.js
index 56395c3c..35285243 100644
--- a/tests/XsdDateTimeDecoder.spec.js
+++ b/tests/XsdDateTimeDecoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2020 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2020-2026 Digital Bazaar, Inc.
 */
 // import {
 //   expect
diff --git a/tests/XsdDateTimeEncoder.spec.js b/tests/XsdDateTimeEncoder.spec.js
index e424bea8..015248ee 100644
--- a/tests/XsdDateTimeEncoder.spec.js
+++ b/tests/XsdDateTimeEncoder.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2020 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2020-2026 Digital Bazaar, Inc.
 */
 // import {
 //   expect
diff --git a/tests/decode.spec.js b/tests/decode.spec.js
index ff329d97..f2315ff6 100644
--- a/tests/decode.spec.js
+++ b/tests/decode.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -11,7 +11,7 @@ chai.use(chaiBytes);
 import {decode, encode} from '../lib/index.js';
 import {
   STRING_TABLE,
-  TYPE_TABLE,
+  TYPE_TABLE
 } from '../lib/tables.js';
 
 function _makeTypeTableLoader(entries) {
@@ -711,7 +711,7 @@ describe('cborld decode', () => {
       'cb859a7c88ca6ba68b1ff238a70ed674999b6ff5179b0ebb10140b23');
 
     const CONTEXT_URL = 'https://w3id.org/cit/v1';
-    /* eslint-disable max-len */
+    /* eslint-disable @stylistic/max-len */
     const CONTEXT = {
       '@context': {
         '@protected': true,
@@ -769,7 +769,7 @@ describe('cborld decode', () => {
         }
       }
     };
-    /* eslint-enable max-len */
+    /* eslint-enable @stylistic/max-len */
 
     const documentLoader = url => {
       if(url === CONTEXT_URL) {
@@ -786,7 +786,7 @@ describe('cborld decode', () => {
       '@context': 'https://w3id.org/cit/v1',
       type: 'ConcealedIdToken',
       meta: 'zvpJ2L5sbowrJPdA',
-      // eslint-disable-next-line max-len
+      // eslint-disable-next-line @stylistic/max-len
       payload: 'z1177JK4h25dHEAXAVMUMpn2zWcxLCeMLP3oVFQFQ11xHFtE9BhyoU2g47D6Xod1Mu99JR9YJdY184HY'
     };
 
diff --git a/tests/encode.spec.js b/tests/encode.spec.js
index a958792d..8d08d821 100644
--- a/tests/encode.spec.js
+++ b/tests/encode.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -11,7 +11,7 @@ chai.use(chaiBytes);
 import {decode, encode} from '../lib/index.js';
 import {
   STRING_TABLE,
-  TYPE_TABLE,
+  TYPE_TABLE
 } from '../lib/tables.js';
 
 function _makeTypeTableLoader(entries) {
diff --git a/tests/examples.spec.js b/tests/examples.spec.js
index 4c75432c..03bc9325 100644
--- a/tests/examples.spec.js
+++ b/tests/examples.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2024-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2024-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -39,7 +39,7 @@ const _contextUrls = [
   ['https://w3id.org/security/suites/ed25519-2020/v1', ed25519_2020_context.contexts],
   ['https://www.w3.org/2018/credentials/v1', credentials_context.contexts],
   ['https://www.w3.org/ns/activitystreams', activitystreams_context.contexts],
-  ['https://www.w3.org/ns/did/v1', did_context.contexts],
+  ['https://www.w3.org/ns/did/v1', did_context.contexts]
 ];
 const contextMap = new Map(_contextUrls.map(c => [c[0], c[1].get(c[0])]));
 
@@ -69,7 +69,7 @@ const files = [
   'prc.jsonld',
   'prc.cborld',
   'uncompressible.jsonld',
-  'uncompressible.cborld',
+  'uncompressible.cborld'
 ];
 
 describe('cborld examples', () => {
diff --git a/tests/roundtrip.spec.js b/tests/roundtrip.spec.js
index d0e27a12..2bf13041 100644
--- a/tests/roundtrip.spec.js
+++ b/tests/roundtrip.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -11,7 +11,7 @@ chai.use(chaiBytes);
 import {decode, encode} from '../lib/index.js';
 import {
   STRING_TABLE,
-  TYPE_TABLE,
+  TYPE_TABLE
 } from '../lib/tables.js';
 
 describe('cborld round trip', () => {
@@ -369,9 +369,9 @@ describe('cborld round trip', () => {
       '@context': {
         type: '@type',
         Type1: 'ex:Type1',
-        Type2: 'ex:Type2',
+        Type2: 'ex:Type2'
       },
-      type: ['Type1', 'Type2'],
+      type: ['Type1', 'Type2']
     };
 
     const typeTable = new Map(TYPE_TABLE);
@@ -860,7 +860,7 @@ describe('cborld round trip', () => {
         date: {
           '@id': 'ex:date',
           '@type': 'http://www.w3.org/2001/XMLSchema#dateTime'
-        },
+        }
       }
     };
     const jsonldDocument = {
@@ -912,7 +912,7 @@ describe('cborld round trip', () => {
         date: {
           '@id': 'ex:date',
           '@type': 'http://www.w3.org/2001/XMLSchema#date'
-        },
+        }
       }
     };
     const jsonldDocument = {
@@ -1764,7 +1764,7 @@ describe('cborld round trip', () => {
       throw new Error(`Refused to load URL "${url}".`);
     };
 
-    /* eslint-disable max-len */
+    /* eslint-disable @stylistic/max-len */
     const vectors = [
       {
         name: 'empty plain data: (1)',
@@ -1810,7 +1810,7 @@ describe('cborld round trip', () => {
           'data:image/gif;base64,' +
           'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs=',
           'data:image/gif;base64,' +
-          'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs=',
+          'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs='
         ],
         cborldHex:
           'd9cb1d8202a200198000186582830469696d6167652f6769665823474946383761010001008001000000000000002c00000000010001000002024c01003b830469696d6167652f6769665823474946383761010001008001000000000000002c00000000010001000002024c01003b'
@@ -1878,7 +1878,7 @@ describe('cborld round trip', () => {
           'd9cb1d8202a20019800018648204783b746578742f68746d6c2c253343736372697074253345616c6572742532382532376869253237253239253342253343253246736372697074253345'
       }
     ];
-    /* eslint-enable max-len */
+    /* eslint-enable @stylistic/max-len */
 
     const hasOnly = vectors.some(d => d.only);
     vectors.forEach(d => {
diff --git a/tests/test.legacy-range.spec.js b/tests/test.legacy-range.spec.js
index c0248556..2770ef56 100644
--- a/tests/test.legacy-range.spec.js
+++ b/tests/test.legacy-range.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -12,7 +12,7 @@ import {decode, encode} from '../lib/index.js';
 
 import {
   STRING_TABLE,
-  TYPE_TABLE,
+  TYPE_TABLE
 } from '../lib/tables.js';
 
 function _makeTypeTableLoader(entries) {
@@ -2256,7 +2256,7 @@ describe('legacy cborld (range)', () => {
         'cb859a7c88ca6ba68b1ff238a70ed674999b6ff5179b0ebb10140b23');
 
       const CONTEXT_URL = 'https://w3id.org/cit/v1';
-      /* eslint-disable max-len */
+      /* eslint-disable @stylistic/max-len */
       const CONTEXT = {
         '@context': {
           '@protected': true,
@@ -2314,7 +2314,7 @@ describe('legacy cborld (range)', () => {
           }
         }
       };
-      /* eslint-enable max-len */
+      /* eslint-enable @stylistic/max-len */
 
       const documentLoader = url => {
         if(url === CONTEXT_URL) {
@@ -2331,7 +2331,7 @@ describe('legacy cborld (range)', () => {
         '@context': 'https://w3id.org/cit/v1',
         type: 'ConcealedIdToken',
         meta: 'zvpJ2L5sbowrJPdA',
-        // eslint-disable-next-line max-len
+        // eslint-disable-next-line @stylistic/max-len
         payload: 'z1177JK4h25dHEAXAVMUMpn2zWcxLCeMLP3oVFQFQ11xHFtE9BhyoU2g47D6Xod1Mu99JR9YJdY184HY'
       };
 
diff --git a/tests/test.legacy-singleton.spec.js b/tests/test.legacy-singleton.spec.js
index d4df6c32..82601a44 100644
--- a/tests/test.legacy-singleton.spec.js
+++ b/tests/test.legacy-singleton.spec.js
@@ -1,5 +1,5 @@
 /*!
- * Copyright (c) 2020-2025 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2026 Digital Bazaar, Inc.
  */
 import {
   default as chai,
@@ -693,7 +693,7 @@ describe('legacy cborld (singleton)', () => {
         'cb859a7c88ca6ba68b1ff238a70ed674999b6ff5179b0ebb10140b23');
 
       const CONTEXT_URL = 'https://w3id.org/cit/v1';
-      /* eslint-disable max-len */
+      /* eslint-disable @stylistic/max-len */
       const CONTEXT = {
         '@context': {
           '@protected': true,
@@ -751,7 +751,7 @@ describe('legacy cborld (singleton)', () => {
           }
         }
       };
-      /* eslint-enable max-len */
+      /* eslint-enable @stylistic/max-len */
 
       const documentLoader = url => {
         if(url === CONTEXT_URL) {
@@ -768,7 +768,7 @@ describe('legacy cborld (singleton)', () => {
         '@context': 'https://w3id.org/cit/v1',
         type: 'ConcealedIdToken',
         meta: 'zvpJ2L5sbowrJPdA',
-        // eslint-disable-next-line max-len
+        // eslint-disable-next-line @stylistic/max-len
         payload: 'z1177JK4h25dHEAXAVMUMpn2zWcxLCeMLP3oVFQFQ11xHFtE9BhyoU2g47D6Xod1Mu99JR9YJdY184HY'
       };
 
@@ -1541,7 +1541,7 @@ describe('legacy cborld (singleton)', () => {
       throw new Error(`Refused to load URL "${url}".`);
     };
 
-    /* eslint-disable max-len */
+    /* eslint-disable @stylistic/max-len */
     const vectors = [
       {
         name: 'empty plain data: (1)',
@@ -1587,7 +1587,7 @@ describe('legacy cborld (singleton)', () => {
           'data:image/gif;base64,' +
           'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs=',
           'data:image/gif;base64,' +
-          'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs=',
+          'R0lGODdhAQABAIABAAAAAAAAACwAAAAAAQABAAACAkwBADs='
         ],
         cborldHex:
           'd90501a200198000186582830469696d6167652f6769665823474946383761010001008001000000000000002c00000000010001000002024c01003b830469696d6167652f6769665823474946383761010001008001000000000000002c00000000010001000002024c01003b'
@@ -1655,7 +1655,7 @@ describe('legacy cborld (singleton)', () => {
           'd90501a20019800018648204783b746578742f68746d6c2c253343736372697074253345616c6572742532382532376869253237253239253342253343253246736372697074253345'
       }
     ];
-    /* eslint-enable max-len */
+    /* eslint-enable @stylistic/max-len */
 
     const hasOnly = vectors.some(d => d.only);
     vectors.forEach(d => {
@@ -1672,7 +1672,7 @@ describe('legacy cborld (singleton)', () => {
           jsonldDocument,
           format: 'legacy-singleton',
           appContextMap,
-          documentLoader,
+          documentLoader
         });
 
         expect(cborldBytes).equalBytes(d.cborldHex);