diff --git a/CHANGELOG.md b/CHANGELOG.md
index da57110..99f6287 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## [1.0.0][v1.0.0] (2024-02-06)
+
 ### Added
 
 - Support Fennel 1.4.0:
@@ -46,5 +48,6 @@
 - Support Lua string literals up to version 5.4.
 - Support Lua numeric literals up to version 5.4.
 
+[v1.0.0]: https://github.com/mnacamura/vim-fennel-syntax/releases/tag/v1.0.0
 [v0.2]: https://github.com/mnacamura/vim-fennel-syntax/tree/v0.2
 [v0.1]: https://github.com/mnacamura/vim-fennel-syntax/tree/v0.1