diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56b1a04..9f66d68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## [Unreleased]
 
+## [9.0.0] - 2026-07-24
+
 ### Added
 
 - New error class hierarchy under `GetStreamRuby`: