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+++ b/CHANGELOG.md
@@ -1,5 +1,30 @@
 # Devanych Di Container Change Log
 
+## 2.1.1 - 2020.09.06
+
+### Added
+
+- Adds support OS Windows to build github action.
+- Adds implementations declaration to the `composer.json`.
+- Adds files to `.github` folder (ISSUE_TEMPLATE, PULL_REQUEST_TEMPLATE.md, CODE_OF_CONDUCT.md, SECURITY.md).
+
+### Changed
+
+- Moves Psalm issue handlers from psalm.xml to docBlock to appropriate methods.
+- Moves static analysis and checking of the code standard to an independent github action.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
 ## 2.1.0 - 2020-08-20
 
 ### Added