CHANGELOG.md in govuk_tech_docs-2.0.12 vs CHANGELOG.md in govuk_tech_docs-2.0.13

@@ -1,7 +1,9 @@
 # Changelog
 
-## Unreleased
+## 2.0.13
+
+- [Pull request #189: Update orange code highlight colour to meet minimum AA colour contrast ratio criterion](https://github.com/alphagov/tech-docs-gem/pull/189)
 
 ## 2.0.12
 
 - [Pull request #179: Use current markup for header and footer](https://github.com/alphagov/tech-docs-gem/pull/179)
 - [Pull request #178: Update dependencies and fix tests](https://github.com/alphagov/tech-docs-gem/pull/178) – includes updating GOV.UK Frontend to v3.6.0.