diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4db0bfb..11908faf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@
 ### Changed
 - **BREAKING**: Drop support for Node.js < 18.
 - **BREAKING**: Upgrade dependencies.
+  - `@digitalbazaar/http-client@4`.
+  - `canonicalize@2`.
   - `rdf-canonize@4`: See the [rdf-canonize][] 4.0.0 changelog for
     **important** changes and upgrade notes. Of note:
     - The `URDNA2015` default algorithm has been changed to `RDFC-1.0` from
diff --git a/package.json b/package.json
index 51285da0..488fc4b8 100644
--- a/package.json
+++ b/package.json
@@ -29,8 +29,8 @@
     "lib/**/*.js"
   ],
   "dependencies": {
-    "@digitalbazaar/http-client": "^3.4.1",
-    "canonicalize": "^1.0.1",
+    "@digitalbazaar/http-client": "^4.0.0",
+    "canonicalize": "^2.0.0",
     "lru-cache": "^6.0.0",
     "rdf-canonize": "^4.0.1"
   },