diff --git a/package.json b/package.json
index 181a7e5..970bdf6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rehype-twoslash",
-  "version": "0.0.0",
+  "version": "1.0.0",
   "description": "rehype plugin to process TypeScript and JavaScript code with `twoslash` and highlight it with `starry-night`",
   "license": "MIT",
   "keywords": [
diff --git a/readme.md b/readme.md
index 1cf1ece..11dbc4b 100644
--- a/readme.md
+++ b/readme.md
@@ -82,14 +82,14 @@ npm install rehype-twoslash
 In Deno with [`esm.sh`][esmsh]:
 
 ```js
-import rehypeTwoslash from 'https://esm.sh/rehype-twoslash@0'
+import rehypeTwoslash from 'https://esm.sh/rehype-twoslash@1'
 ```
 
 In browsers with [`esm.sh`][esmsh]:
 
 ```html
 <script type="module">
-  import rehypeTwoslash from 'https://esm.sh/rehype-twoslash@0?bundle'
+  import rehypeTwoslash from 'https://esm.sh/rehype-twoslash@1?bundle'
 </script>
 ```
 
@@ -353,7 +353,7 @@ versions of Node.js.
 
 When we cut a new major release, we drop support for unmaintained versions of
 Node.
-This means we try to keep the current release line, `rehype-twoslash@0`,
+This means we try to keep the current release line, `rehype-twoslash@1`,
 compatible with Node.js 16.
 
 ## Security