CHANGELOG.md in barnes-0.0.8 vs CHANGELOG.md in barnes-0.0.9

@@ -1,5 +1,9 @@
-## Master (unrleased)
+## HEAD (unreleased)
+
+## 0.0.9
+
+- Handle half-initialize Puma failure on boot (https://github.com/heroku/barnes/pull/37)
 
 ## 0.0.8
 
 - Fix warnings in Ruby 2.7