diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe45187d..80858178 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,10 +10,12 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
-- Update `vacuum@latest` to 0.27.3.
-
 - Support `convco`. ([#1831](https://github.com/taiki-e/install-action/pull/1831), thanks @graelo)
 
+- Support `docgarden` ([#1830](https://github.com/taiki-e/install-action/pull/1830), thanks @jesse-black)
+
+- Update `vacuum@latest` to 0.27.3.
+
 - Update `cargo-binstall@latest` to 1.19.1.
 
 ## [2.80.0] - 2026-05-30