diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57d8c4c..4371609 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,9 +8,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com) and this p
 
 ### Added
 
-- A `Lang` enum with the names of all first-party languages.
-- A `langs` object with all first-party languages.
-
 ### Changed
 
 ### Deprecated
@@ -21,6 +18,13 @@ The format is based on [Keep a Changelog](https://keepachangelog.com) and this p
 
 ### Security
 
+## [1.0.0] - 2025-06-13
+
+### Added
+
+- A `Lang` enum with the names of all first-party languages.
+- A `langs` object with all first-party languages.
+
 ## Types of changes
 
 - `Added` for new features.
@@ -29,3 +33,6 @@ The format is based on [Keep a Changelog](https://keepachangelog.com) and this p
 - `Removed` for now removed features.
 - `Fixed` for any bug fixes.
 - `Security` in case of vulnerabilities.
+
+[Unreleased]: https://github.com/coderabbitai/ast-grep-langs/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/coderabbitai/ast-grep-langs/releases/tag/v1.0.0
diff --git a/README.md b/README.md
index 6c09e14..98fd40d 100644
--- a/README.md
+++ b/README.md
@@ -16,5 +16,7 @@ pnpm i @coderabbitai/ast-grep-langs @ast-grep/napi
 import { registerDynamicLanguage } from "@ast-grep/napi"
 import { langs } from "@coderabbitai/ast-grep-langs"
 
+// @ts-expect-error Type `StaticLangRegistration` is missing the following
+// properties from type `LangRegistration`: `libraryPath`, `extensions`.
 registerDynamicLanguage(langs)
 ```
diff --git a/package.json b/package.json
index 7390a2d..0460fd4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@coderabbitai/ast-grep-langs",
-	"version": "0.0.0",
+	"version": "1.0.0",
 	"description": " Exports all first-party ast-grep languages",
 	"keywords": [
 		"ast-grep"