diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37dc7078..d751409c 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]
 
+## [2.70.3] - 2026-03-31
+
 - Update `wasm-bindgen@latest` to 0.2.116.
 
 - Update `cargo-insta@latest` to 1.47.2.
@@ -6079,7 +6081,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.70.2...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.70.3...HEAD
+[2.70.3]: https://github.com/taiki-e/install-action/compare/v2.70.2...v2.70.3
 [2.70.2]: https://github.com/taiki-e/install-action/compare/v2.70.1...v2.70.2
 [2.70.1]: https://github.com/taiki-e/install-action/compare/v2.70.0...v2.70.1
 [2.70.0]: https://github.com/taiki-e/install-action/compare/v2.69.14...v2.70.0