diff --git a/.changeset/add-repository-field.md b/.changeset/add-repository-field.md
new file mode 100644
index 0000000..7614eab
--- /dev/null
+++ b/.changeset/add-repository-field.md
@@ -0,0 +1,5 @@
+---
+"@deessejs/errors": patch
+---
+
+Add the missing `repository` field to `packages/errors/package.json`. Trusted publishing with provenance requires `package.json:repository.url` to match the GitHub repo URL from the OIDC token — without it, npm rejects the publish with `E422: Error verifying sigstore provenance bundle: "repository.url" is ""`.
diff --git a/packages/errors/package.json b/packages/errors/package.json
index c2db56b..c29fcb0 100644
--- a/packages/errors/package.json
+++ b/packages/errors/package.json
@@ -3,6 +3,10 @@
   "version": "1.1.1",
   "description": "TypeScript error handling library inspired by Python — function-based API, exception chaining, hierarchical inheritance",
   "homepage": "https://errors.deessejs.com",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/deessejs/errors.git"
+  },
   "type": "module",
   "main": "./dist/index.js",
   "module": "./dist/index.js",