CHANGELOG.md in smart_container-0.8.1 vs CHANGELOG.md in smart_container-0.9.0

@@ -1,7 +1,16 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [0.9.0] - 2020-01-17
+### Added
+- Support for *Ruby@3*;
+- Updated development dependencies;
+
+### Changed
+- No more TravisCI (todo: migrate to Github Actions);
+- Minimal `smart_engine` version: *0.11.0* (in order to support *Ruby@3*);
+
 ## [0.8.1] - 2020-07-09
 ### Changed
 - *Core*
   - refactored `SmartCore::Container::Entities::NamespaceBuilder` and `SmartCore::Container::Entities::DependencyBuilder`
     (from stateful-based logic on instances to stateless-based logic on modules);