diff --git a/CHANGELOG.md b/CHANGELOG.md
index 561e815..45dc8b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,27 @@
 # HTTP Response Change Log
 
+## 1.0.3 - 2020.09.06
+
+### Added
+
+- Adds implementations declaration to the `composer.json`.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
 ## 1.0.2 - 2020.08.28
 
 ### Added