diff --git a/.changes/0.1.0-alpha.1.md b/.changes/0.1.0-alpha.1.md
new file mode 100644
index 0000000..708787b
--- /dev/null
+++ b/.changes/0.1.0-alpha.1.md
@@ -0,0 +1,9 @@
+## 0.1.0-alpha.1 - 2026-10-03
+
+### Added
+
+- Add the client of NIPOST's gateway: lookup, reverse and autocomplete, from spec 0.2.0.
+
+### Changed
+
+- Implement spec 0.2.0. It adds the client contract, and core results stay the same.
diff --git a/.changes/unreleased/Added-20261003-040232.yaml b/.changes/unreleased/Added-20261003-040232.yaml
deleted file mode 100644
index fb42e55..0000000
--- a/.changes/unreleased/Added-20261003-040232.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-kind: Added
-body: 'Add the client of NIPOST''s gateway: lookup, reverse and autocomplete, from spec 0.2.0.'
-time: 2026-10-03T04:02:32.482746+01:00
diff --git a/.changes/unreleased/Changed-20261003-024952.yaml b/.changes/unreleased/Changed-20261003-024952.yaml
deleted file mode 100644
index cdedd2e..0000000
--- a/.changes/unreleased/Changed-20261003-024952.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-kind: Changed
-body: Implement spec 0.2.0. It adds the client contract, and core results stay the same.
-time: 2026-10-03T02:49:52.051073+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 519c14d..573ba84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,15 @@
 
 This file lists each notable change to `gatepost/postcode`. The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and the versions follow [Semantic Versioning](https://semver.org/spec/v2.0.0.html). Changie writes this file from the change files in `.changes/`.
 
+## 0.1.0-alpha.1 - 2026-10-03
+
+### Added
+
+- Add the client of NIPOST's gateway: lookup, reverse and autocomplete, from spec 0.2.0.
+
+### Changed
+
+- Implement spec 0.2.0. It adds the client contract, and core results stay the same.
 ## 0.1.0-alpha.0 - 2026-10-02
 
 ### Added