diff --git a/doc/manual.html b/doc/manual.html
index b4500c375b02f33e010fdc72eb7a1c003ef15a34..da4423f960ceb24126df853cd47671927a5b79f2 100644
--- a/doc/manual.html
+++ b/doc/manual.html
@@ -69,7 +69,7 @@
 <section class=first id=overview>
     <h2 style="position: relative">
       User manual and reference guide
-      <span style="color: #888; font-size: 1rem; position: absolute; right: 0; bottom: 0">version 5.28.0</span>
+      <span style="color: #888; font-size: 1rem; position: absolute; right: 0; bottom: 0">version 5.28.1</span>
     </h2>
 
     <p>CodeMirror is a code-editor component that can be embedded in
diff --git a/package.json b/package.json
index e413d2c57bbf29670caca7b956d08b325314a066..ff6971cd8e986c33e5903d77bbc6a397d7c96e97 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "codemirror",
-  "version": "5.28.0",
+  "version": "5.28.1",
   "main": "lib/codemirror.js",
   "style": "lib/codemirror.css",
   "description": "Full-featured in-browser code editor",
diff --git a/src/edit/main.js b/src/edit/main.js
index 5a20c6473e5c0574bbb996667684882db3c23bf8..e7a2122d6ed73c91a6567c0a118cc90e3af13da3 100644
--- a/src/edit/main.js
+++ b/src/edit/main.js
@@ -66,4 +66,4 @@ import { addLegacyProps } from "./legacy"
 
 addLegacyProps(CodeMirror)
 
-CodeMirror.version = "5.28.0"
+CodeMirror.version = "5.28.1"