Update CHANGELOG.md

Author: driesvints

CHANGELOG.md

@@ -1,6 +1,12 @@
 # Release Notes
 
-## [Unreleased](https://github.com/laravel/sail/compare/v1.8.0...1.x)
+## [Unreleased](https://github.com/laravel/sail/compare/v1.8.1...1.x)
+
+
+## [v1.8.1 (2021-06-08)](https://github.com/laravel/sail/compare/v1.8.0...v1.8.1)
+
+### Fixed
+- Fix if statement in `sail` binary ([414fd19](https://github.com/laravel/sail/commit/414fd19858379fd3c0277194904ffb95617d7ee6)
 
 
 ## [v1.8.0 (2021-06-08)](https://github.com/laravel/sail/compare/v1.7.0...v1.8.0)