diff --git a/package.json b/package.json
index 218b5cf5..c9fdf08e 100644
--- a/package.json
+++ b/package.json
@@ -236,7 +236,7 @@
     "@babel/plugin-proposal-optional-chaining-assign": "^7.27.1",
     "@babel/preset-env": "^7.28.3",
     "@babel/preset-typescript": "^7.27.1",
-    "@edge-runtime/primitives": "^3.1.1",
+    "@edge-runtime/primitives": "^6.0.0",
     "@fastly/http-compute-js": "^1.1.5",
     "accepts": "^1.3.8",
     "ajv": "^8.17.1",
diff --git a/packages/bundler/package.json b/packages/bundler/package.json
index 07245ecc..45bbbd7f 100644
--- a/packages/bundler/package.json
+++ b/packages/bundler/package.json
@@ -28,7 +28,7 @@
     "src/polyfills/*"
   ],
   "dependencies": {
-    "@edge-runtime/primitives": "^3.1.1",
+    "@edge-runtime/primitives": "^6.0.0",
     "@fastly/http-compute-js": "^1.1.5",
     "@lib/unenv-preset": "*",
     "accepts": "^1.3.8",