diff --git a/package.json b/package.json
index bb5f0fb..581deeb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "remark-defsplit",
-  "version": "4.0.1",
+  "version": "5.0.0",
   "description": "remark plugin to change links and images to references with separate definitions",
   "license": "MIT",
   "keywords": [
diff --git a/readme.md b/readme.md
index ce87242..89e0398 100644
--- a/readme.md
+++ b/readme.md
@@ -62,14 +62,14 @@ npm install remark-defsplit
 In Deno with [`esm.sh`][esmsh]:
 
 ```js
-import remarkDefsplit from 'https://esm.sh/remark-defsplit@4'
+import remarkDefsplit from 'https://esm.sh/remark-defsplit@5'
 ```
 
 In browsers with [`esm.sh`][esmsh]:
 
 ```html
 <script type="module">
-  import remarkDefsplit from 'https://esm.sh/remark-defsplit@4?bundle'
+  import remarkDefsplit from 'https://esm.sh/remark-defsplit@5?bundle'
 </script>
 ```