CHANGELOG.md in html-pipeline-ruby_markup-0.9.0 vs CHANGELOG.md in html-pipeline-ruby_markup-0.9.1

@@ -1,8 +1,14 @@
 # CHANGELOG
 
 ## Unreleased
 
+## 0.9.1
+
+Simplify Regexp [#1] by @JuanitoFatas
+
+[#1]: https://github.com/JuanitoFatas/html-pipeline-ruby_markup/pull/1
+
 ## 0.9.0
 
 2020.03.25
 
 Extract from my blog application.