diff --git a/CHANGELOG.md b/CHANGELOG.md
index abeb70a..3282f15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,27 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.15] - 2023-11-26
+
+### Changed
+- Update the CHANGELOG.
+- Update the version.
+- Update the README.
+
+## [0.9.14] - 2023-11-26
+
+### Added
+- Add analyzer for the simple substitution cipher.
+- Add the analyzer options and their actions for the simple substiotution.
+
+## [0.9.13] - 2023-11-26
+
+### Fixed
+- Fix the test name.
+
 ## [0.9.12] - 2023-11-20
+
+### Changed
 - Update the CHANGELOG.
 - Update the version.
 - Update the README.
@@ -291,7 +311,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Project initialization.
 
-[Unreleased]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.12...main?from_project_id=50218541&straight=false
+[Unreleased]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.15...main?from_project_id=50218541&straight=false
+[0.9.15]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.14...0.0.9.15?from_project_id=50218541&straight=false
+[0.9.14]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.13...0.0.9.14?from_project_id=50218541&straight=false
+[0.9.13]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.12...0.0.9.13?from_project_id=50218541&straight=false
 [0.9.12]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.11...0.0.9.12?from_project_id=50218541&straight=false
 [0.9.11]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.10...0.0.9.11?from_project_id=50218541&straight=false
 [0.9.10]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.9.9...0.9.10?from_project_id=50218541&straight=false