Changelog housekeeping

Author: Oliver Stark

CHANGELOG.md

@@ -1,9 +1,12 @@
 # Changelog
 
-## Unreleased
-- Add `softPurge` option to enable [Soft Purge](https://docs.fastly.com/en/guides/soft-purges) for Fastly.
+## [1.9.1] - 2022-02-08
+- Add `softPurge` option in example config
 - Drop database table if exists (might happen with a dirty uninstall)
 
+## [1.9.0] - 2021-10-15
+- Add `softPurge` option to enable [Soft Purge](https://docs.fastly.com/en/guides/soft-purges) for Fastly.
+
 ## [1.8.0] - 2021-02-08
 - MySQL 8.0 support (removed ordered FULLTEXT index)
 - Switched to `psalm` for static analysis