diff --git a/changelog.md b/changelog.md
index 275631a..bed3df1 100644
--- a/changelog.md
+++ b/changelog.md
@@ -10,6 +10,10 @@
 - Replaced the test utility function `streamToString` with the function `text` from `node:stream/consumers` that’s available in modern Node.js.
 - Use the Node.js test runner API and remove the dev dependency [`test-director`](https://npm.im/test-director).
 
+### Minor
+
+- Support Express v5 by updating the optional peer dependency [`@types/express`](https://npm.im/@types/express) to `4.0.29 - 5` and the dev dependency [`express`](https://npm.im/express) to v5, via [#389](https://github.com/jaydenseric/graphql-upload/pull/389).
+
 ### Patch
 
 - Updated GitHub Actions CI config:
diff --git a/package.json b/package.json
index aff6568..976afe1 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "node": "^18.18.0 || ^20.9.0 || >=22.0.0"
   },
   "peerDependencies": {
-    "@types/express": "^4.0.29",
+    "@types/express": "4.0.29 - 5",
     "@types/koa": "^2.11.4",
     "graphql": "^16.3.0"
   },
@@ -70,12 +70,12 @@
     "object-path": "^0.11.8"
   },
   "devDependencies": {
-    "@types/express": "^4.17.17",
+    "@types/express": "^5.0.0",
     "@types/koa": "^2.13.8",
     "coverage-node": "^8.0.0",
     "eslint": "^8.48.0",
     "eslint-plugin-simple-import-sort": "^10.0.0",
-    "express": "^4.18.2",
+    "express": "^5.0.0",
     "form-data-encoder": "^4.0.2",
     "graphql": "^16.8.0",
     "koa": "^2.14.2",