CHANGELOG.md in govuk_tech_docs-2.2.1 vs CHANGELOG.md in govuk_tech_docs-2.2.2

@@ -1,6 +1,11 @@
 # Changelog
 
+## 2.2.2
+
+- [#223: Remove unnecessary CSS class on the search submit button](https://github.com/alphagov/tech-docs-gem/pull/223)
+- [#224: Accessibility fix: Hide the 'table of contents close' button when search results are open](https://github.com/alphagov/tech-docs-gem/pull/224)
+
 ## 2.2.1
 
 - [#218: Remove unnecessary explicit dependencies: sprockets, activesupport, sass and pry](https://github.com/alphagov/tech-docs-gem/pull/218)
 - [#125: Fix API docs showing required properties as optional](https://github.com/alphagov/tech-docs-gem/pull/125)