diff --git a/packages/isomorphic-unfetch/package.json b/packages/isomorphic-unfetch/package.json
index 25c25ac..fc68c54 100644
--- a/packages/isomorphic-unfetch/package.json
+++ b/packages/isomorphic-unfetch/package.json
@@ -1,6 +1,6 @@
 {
   "name": "isomorphic-unfetch",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "Switches between unfetch & node-fetch for client & server.",
   "files": [
     "index.js",
@@ -25,6 +25,6 @@
   "types": "index.d.ts",
   "dependencies": {
     "node-fetch": "^3.2.0",
-    "unfetch": "^4.2.0"
+    "unfetch": "^5.0.0"
   }
 }