diff --git a/.claude/commands/sync-release-notes.md b/.claude/commands/sync-release-notes.md
deleted file mode 100644
index 4b1698181..000000000
--- a/.claude/commands/sync-release-notes.md
+++ /dev/null
@@ -1,30 +0,0 @@
-Sync release notes from a release branch to master. The argument is the release version (e.g., `v5.4.26`).
-
-Steps:
-1. Derive the release branch name from the version (e.g., `v5.4.26` → branch `V5.4`).
-2. Run `git fetch origin` to ensure the remote branches and tags are up to date.
-3. Compare the release notes to find what is missing in master:
-   ```
-   git diff master:docs/pages/release_notes.rst <release-branch>:docs/pages/release_notes.rst
-   ```
-4. Read the release notes from the release branch to get the exact content to add:
-   ```
-   git show <release-branch>:docs/pages/release_notes.rst
-   ```
-5. Edit `docs/pages/release_notes.rst` on master to insert the new release section(s) in reverse-chronological order:
-   - v6.x sections come before v5.x sections
-   - Within v5.x, newer versions come first
-   - Each section uses this RST format (asterisk count must match title length exactly):
-     ```
-     *************************
-     Hazelnut update (v5.4.X)
-     *************************
-
-     Release date: YYYY-MM-DD
-
-     - Change description
-
-     **Full Changelog**: https://github.com/nuts-foundation/nuts-node/compare/vX.Y.Z-1...vX.Y.Z
-     ```
-6. Use `report_progress` to commit with message `docs: add <version> release notes` and push.
-7. Create a pull request targeting `master` with title `docs: add <version> release notes to master`.
diff --git a/docs/pages/release_notes.rst b/docs/pages/release_notes.rst
index b4bcede5f..d3d0228c5 100644
--- a/docs/pages/release_notes.rst
+++ b/docs/pages/release_notes.rst
@@ -422,6 +422,16 @@ The following features have been deprecated:
 - Network v1 API, to be removed
 - VDR v1 API, replaced by VDR v2
 
+*************************
+Hazelnut update (v5.4.28)
+*************************
+
+Release date: 2026-03-31
+
+- Update grpc-go to fix https://pkg.go.dev/vuln/GO-2026-4762
+
+**Full Changelog**: https://github.com/nuts-foundation/nuts-node/compare/v5.4.27...v5.4.28
+
 *************************
 Hazelnut update (v5.4.27)
 *************************