diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index def65d5..70853ff 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -44,3 +44,26 @@ The package should hide common `net/http` idioms and keep calling code simple.
 
 - Keep `README.md` in sync with public API changes.
 - Include practical examples for GET/POST and error handling.
+
+## Release process
+
+- Create release tags from `main`.
+- Use semantic versioning tags in `vMAJOR.MINOR.PATCH` format.
+- Ensure local repository is clean and synced before tagging.
+
+Release steps:
+
+1. Ensure `main` is up to date.
+2. Create annotated tag:
+  - `git tag -a vX.Y.Z -m "Release vX.Y.Z"`
+3. Push tag:
+  - `git push origin vX.Y.Z`
+4. Create GitHub release with autogenerated notes:
+  - `gh release create vX.Y.Z --generate-notes`
+
+Verification steps:
+
+- Check tag exists:
+  - `git tag -l "vX.Y.Z"`
+- Check release exists:
+  - `gh release view vX.Y.Z`