diff --git a/CHANGELOG.md b/CHANGELOG.md
index da7c6b45..543a9738 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Downgrade `cargo-lambda@latest` to 1.8.0. ([#923](https://github.com/taiki-e/install-action/pull/923))
+
 ## [2.49.38] - 2025-03-29
 
 - Update `cargo-lambda@latest` to 1.8.1.