CHANGELOG.md in pah-0.0.19 vs CHANGELOG.md in pah-0.0.20

@@ -1,9 +1,14 @@
 # Changelog
 
-## 0.0.20 (unreleased)
+## 0.0.20 (January 16,2015)
 
 ### features
+
+- Changed Ruby version to 2.2.0
+- Changed Rails version to 4.2.0
+- Changed rails-slim version to 3.0.1 due conflict with rails 4.2.0
+- Update the Gemfile to most recent gems
 
 ### improvements
 
 ### bug fixes