diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8be4873..14e1e9ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @digitalbazaar/cborld ChangeLog
 
+## 5.2.0 - 2023-11-dd
+
+### Changed
+- Update dependencies:
+  - Use `cborg@4`.
+  - Use `uuid@9`.
+
 ## 5.1.0 - 2023-11-15
 
 ### Added
diff --git a/lib/Compressor.js b/lib/Compressor.js
index f6c33b64..bc00a75d 100644
--- a/lib/Compressor.js
+++ b/lib/Compressor.js
@@ -1,18 +1,18 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
 import * as cborg from 'cborg';
-import {CborldError} from './CborldError.js';
+import {FIRST_CUSTOM_TERM_ID, KEYWORDS} from './keywords.js';
 import {CborldEncoder} from './codecs/CborldEncoder.js';
+import {CborldError} from './CborldError.js';
 import {ContextEncoder} from './codecs/ContextEncoder.js';
+import {inspect} from './util.js';
 import {MultibaseEncoder} from './codecs/MultibaseEncoder.js';
 import {Transformer} from './Transformer.js';
 import {UriEncoder} from './codecs/UriEncoder.js';
 import {VocabTermEncoder} from './codecs/VocabTermEncoder.js';
 import {XsdDateEncoder} from './codecs/XsdDateEncoder.js';
 import {XsdDateTimeEncoder} from './codecs/XsdDateTimeEncoder.js';
-import {inspect} from './util.js';
-import {FIRST_CUSTOM_TERM_ID, KEYWORDS} from './keywords.js';
 
 export const TYPE_ENCODERS = new Map([
   ['@id', UriEncoder],
diff --git a/lib/Decompressor.js b/lib/Decompressor.js
index 60dc43b2..90144545 100644
--- a/lib/Decompressor.js
+++ b/lib/Decompressor.js
@@ -1,17 +1,17 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
 import * as cborg from 'cborg';
+import {FIRST_CUSTOM_TERM_ID, KEYWORDS} from './keywords.js';
 import {CborldError} from './CborldError.js';
 import {ContextDecoder} from './codecs/ContextDecoder.js';
+import {inspect} from './util.js';
 import {MultibaseDecoder} from './codecs/MultibaseDecoder.js';
 import {Transformer} from './Transformer.js';
 import {UriDecoder} from './codecs/UriDecoder.js';
 import {VocabTermDecoder} from './codecs/VocabTermDecoder.js';
 import {XsdDateDecoder} from './codecs/XsdDateDecoder.js';
 import {XsdDateTimeDecoder} from './codecs/XsdDateTimeDecoder.js';
-import {inspect} from './util.js';
-import {FIRST_CUSTOM_TERM_ID, KEYWORDS} from './keywords.js';
 
 export const TYPE_DECODERS = new Map([
   ['@id', UriDecoder],
diff --git a/lib/codecs/Base58DidUrlEncoder.js b/lib/codecs/Base58DidUrlEncoder.js
index a8143f3f..eee19d92 100644
--- a/lib/codecs/Base58DidUrlEncoder.js
+++ b/lib/codecs/Base58DidUrlEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 import {decode as decodeBase58} from 'base58-universal';
 
 const SCHEME_TO_ID = new Map([
diff --git a/lib/codecs/ContextEncoder.js b/lib/codecs/ContextEncoder.js
index afe10502..5fd1582a 100644
--- a/lib/codecs/ContextEncoder.js
+++ b/lib/codecs/ContextEncoder.js
@@ -1,9 +1,9 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
+import {Token, Type} from 'cborg';
 import {CborldEncoder} from './CborldEncoder.js';
 import {URL_TO_ID} from './registeredContexts.js';
-import {Token, Type} from 'cborg';
 
 export class ContextEncoder extends CborldEncoder {
   constructor({context, appContextMap} = {}) {
diff --git a/lib/codecs/HttpUrlEncoder.js b/lib/codecs/HttpUrlEncoder.js
index dca3670c..02758d10 100644
--- a/lib/codecs/HttpUrlEncoder.js
+++ b/lib/codecs/HttpUrlEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 
 export class HttpUrlEncoder extends CborldEncoder {
   constructor({value, secure} = {}) {
diff --git a/lib/codecs/MultibaseDecoder.js b/lib/codecs/MultibaseDecoder.js
index 6f99ed84..7f43a6c1 100644
--- a/lib/codecs/MultibaseDecoder.js
+++ b/lib/codecs/MultibaseDecoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldDecoder} from './CborldDecoder.js';
 import {Base64} from 'js-base64';
+import {CborldDecoder} from './CborldDecoder.js';
 import {encode as encodeBase58} from 'base58-universal';
 
 // this class is used to encode a multibase encoded value in CBOR-LD, which
diff --git a/lib/codecs/MultibaseEncoder.js b/lib/codecs/MultibaseEncoder.js
index 4426c16b..a90ac8ef 100644
--- a/lib/codecs/MultibaseEncoder.js
+++ b/lib/codecs/MultibaseEncoder.js
@@ -1,10 +1,10 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
+import {Token, Type} from 'cborg';
 import {Base64} from 'js-base64';
 import {CborldEncoder} from './CborldEncoder.js';
 import {decode as decodeBase58} from 'base58-universal';
-import {Token, Type} from 'cborg';
 
 // this class is used to encode a multibase encoded value in CBOR-LD, which
 // actually means transforming a multibase-encoded string to bytes
diff --git a/lib/codecs/UriDecoder.js b/lib/codecs/UriDecoder.js
index d9ac9f78..c7b5a1b5 100644
--- a/lib/codecs/UriDecoder.js
+++ b/lib/codecs/UriDecoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldDecoder} from './CborldDecoder.js';
 import {Base58DidUrlDecoder} from './Base58DidUrlDecoder.js';
+import {CborldDecoder} from './CborldDecoder.js';
 import {HttpUrlDecoder} from './HttpUrlDecoder.js';
 import {UuidUrnDecoder} from './UuidUrnDecoder.js';
 
diff --git a/lib/codecs/UriEncoder.js b/lib/codecs/UriEncoder.js
index 5cb835f1..1c023e01 100644
--- a/lib/codecs/UriEncoder.js
+++ b/lib/codecs/UriEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Base58DidUrlEncoder} from './Base58DidUrlEncoder.js';
+import {CborldEncoder} from './CborldEncoder.js';
 import {HttpUrlEncoder} from './HttpUrlEncoder.js';
 import {UuidUrnEncoder} from './UuidUrnEncoder.js';
 
diff --git a/lib/codecs/UuidUrnEncoder.js b/lib/codecs/UuidUrnEncoder.js
index 273f6135..60b2f2c7 100644
--- a/lib/codecs/UuidUrnEncoder.js
+++ b/lib/codecs/UuidUrnEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 import {parse} from 'uuid';
 
 export class UuidUrnEncoder extends CborldEncoder {
diff --git a/lib/codecs/VocabTermEncoder.js b/lib/codecs/VocabTermEncoder.js
index f7bc05dd..2ec2864e 100644
--- a/lib/codecs/VocabTermEncoder.js
+++ b/lib/codecs/VocabTermEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 import {UriEncoder} from './UriEncoder.js';
 
 export class VocabTermEncoder extends CborldEncoder {
diff --git a/lib/codecs/XsdDateEncoder.js b/lib/codecs/XsdDateEncoder.js
index e0a56b5f..60d17c2b 100644
--- a/lib/codecs/XsdDateEncoder.js
+++ b/lib/codecs/XsdDateEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 
 export class XsdDateEncoder extends CborldEncoder {
   constructor({value, parsed} = {}) {
diff --git a/lib/codecs/XsdDateTimeEncoder.js b/lib/codecs/XsdDateTimeEncoder.js
index 9629db79..649f1f6d 100644
--- a/lib/codecs/XsdDateTimeEncoder.js
+++ b/lib/codecs/XsdDateTimeEncoder.js
@@ -1,8 +1,8 @@
 /*!
- * Copyright (c) 2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2021-2023 Digital Bazaar, Inc. All rights reserved.
  */
-import {CborldEncoder} from './CborldEncoder.js';
 import {Token, Type} from 'cborg';
+import {CborldEncoder} from './CborldEncoder.js';
 
 export class XsdDateTimeEncoder extends CborldEncoder {
   constructor({value, parsed} = {}) {
diff --git a/lib/encode.js b/lib/encode.js
index c06cb25b..7c14662f 100644
--- a/lib/encode.js
+++ b/lib/encode.js
@@ -1,9 +1,9 @@
 /*!
- * Copyright (c) 2020-2021 Digital Bazaar, Inc. All rights reserved.
+ * Copyright (c) 2020-2023 Digital Bazaar, Inc. All rights reserved.
  */
 import * as cborg from 'cborg';
-import {inspect} from './util.js';
 import {Compressor} from './Compressor.js';
+import {inspect} from './util.js';
 
 /**
  * Encodes a given JSON-LD document into a CBOR-LD byte array.
diff --git a/package.json b/package.json
index 27141e00..00dea845 100644
--- a/package.json
+++ b/package.json
@@ -45,25 +45,25 @@
   },
   "dependencies": {
     "base58-universal": "^2.0.0",
-    "cborg": "^1.9.4",
+    "cborg": "^4.0.5",
     "js-base64": "^3.7.2",
-    "uuid": "^8.3.2"
+    "uuid": "^9.0.1"
   },
   "devDependencies": {
-    "c8": "^7.11.3",
+    "c8": "^8.0.1",
     "chai": "^4.3.6",
     "chai-bytes": "^0.1.2",
     "cross-env": "^7.0.3",
     "eslint": "^8.17.0",
-    "eslint-config-digitalbazaar": "^3.0.0",
-    "eslint-plugin-jsdoc": "^39.3.2",
-    "eslint-plugin-unicorn": "^42.0.0",
+    "eslint-config-digitalbazaar": "^5.0.1",
+    "eslint-plugin-jsdoc": "^46.9.0",
+    "eslint-plugin-unicorn": "^49.0.0",
     "karma": "^6.3.20",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^3.1.1",
     "karma-mocha": "^2.0.1",
     "karma-mocha-reporter": "^2.2.5",
-    "karma-sourcemap-loader": "^0.3.8",
+    "karma-sourcemap-loader": "^0.4.0",
     "karma-webpack": "^5.0.0",
     "mocha": "^10.0.0",
     "mocha-lcov-reporter": "^1.3.0",
diff --git a/tests/test.spec.js b/tests/test.spec.js
index 165a764e..fb18653d 100644
--- a/tests/test.spec.js
+++ b/tests/test.spec.js
@@ -1,5 +1,5 @@
 /*!
-* Copyright (c) 2020-2022 Digital Bazaar, Inc. All rights reserved.
+* Copyright (c) 2020-2023 Digital Bazaar, Inc. All rights reserved.
 */
 import {
   default as chai,
@@ -8,7 +8,7 @@ import {
 import {default as chaiBytes} from 'chai-bytes';
 chai.use(chaiBytes);
 
-import {encode, decode} from '../lib/index.js';
+import {decode, encode} from '../lib/index.js';
 
 describe('cborld', () => {
   describe('encode', () => {