diff --git a/README.md b/README.md
index 25cb68b..d5d0764 100644
--- a/README.md
+++ b/README.md
@@ -23,14 +23,13 @@
 - [How to edit the theme](#how-to-edit)
 - [Found a bug?](#bug)
 - [New cool idea or feature](#feature)
-- [Terminal theme user?](#terminal-theme-user)
 - [License](#license)
 
 ## Features
 
 - fully customizable color schemes generated by [**Terminal.css**](https://panr.github.io/terminal-css/).
 - [**Fira Code**](https://github.com/tonsky/FiraCode) as default monospaced font. It's gorgeous!
-- **really nice duotone**, custom syntax highlighting based on [**PrismJS**](https://prismjs.com)
+- **really nice duotone**, custom syntax highlighting based on [**Chroma**](https://github.com/alecthomas/chroma) (fast, built-in Hugo syntax highlighter)
 - fully responsive
 - fully based on Hugo ecosystem (Pipes and Modules)
 
@@ -46,10 +45,10 @@
   ```go
   {{< figure src="/img/hello.png" alt="Hello Friend" position="center" style="border-radius: 8px;" caption="Hello Friend!" captionPosition="right" captionStyle="color: red;" >}}
   ```
-- **`code`** (props required: **`language`**; props optional: **`title`**, **`id`**, **`expand`** (default "△"), **`collapse`** (default "▽"), **`isCollapsed`**)
+- **`code`** (props required: **`language`**; props optional: **`title`**, **`open`**)
   - e.g.
   ```go
-  {{< code language="css" title="Really cool snippet" id="1" expand="Show" collapse="Hide" isCollapsed="true" >}}
+  {{< code language="css" title="Really cool snippet" open="true" >}}
   pre {
     background: #1a1a1d;
     padding: 20px;
@@ -74,7 +73,7 @@
 
 #### Code highlighting
 
-A custom syntax highlighting based on PrismJS. All you need to do is to wrap you code like this:
+A custom syntax highlighting based on Chroma. All you need to do is to wrap you code like this:
 
 ````
 ```html
@@ -82,7 +81,9 @@ A custom syntax highlighting based on PrismJS. All you need to do is to wrap you
 ```
 ````
 
-**Supported languages**: actionscript, apacheconf, applescript, bash, c, clike, cmake, coffeescript, cpp, csharp, csp, css, css-extras, diff, django, docker, elixir, elm, erlang, flow, fsharp, git, go, graphql, haml, handlebars, haskell, http, java, javascript, json, jsx, kotlin, latex, less, llvm, makefile, markdown, markup, markup-templating, nasm, objectivec, ocaml, perl, php, php-extras, powershell, processing, pug, python, r, reason, ruby, rust, sass, scala, scheme, scss, sql, stylus, swift, textile, toml, tsx, twig, typescript, vim, visual-basic, wasm, yaml.
+You can find more here in the official Hugo [documentation](https://gohugo.io/content-management/syntax-highlighting/).
+
+**Supported languages**: https://github.com/alecthomas/chroma?tab=readme-ov-file#supported-languages
 
 ## How to start
 
@@ -307,13 +308,8 @@ This will help keeping the theme close to its roots, and also allow anyone who w
 
 Sounds OK? Cool, let's rock! 🤘
 
-## Terminal theme user?
-
-I'd be happy to know more about you and what you are doing. If you want to share it, please make a contribution and [add your site to the list](https://github.com/panr/hugo-theme-terminal/blob/master/USERS.md)! 🤗
-
-
 ## License
 
-Copyright © 2019-2024 Radosław Kozieł ([@panr](https://twitter.com/panr))
+Copyright © 2019-2025 Radosław Kozieł ([@panr](https://radoslawkoziel.pl/))
 
 The theme is released under the MIT License. Check the [original theme license](https://github.com/panr/hugo-theme-terminal/blob/master/LICENSE.md) for additional licensing information.
diff --git a/package.hugo.json b/package.hugo.json
index 2f38338..6ad08c5 100644
--- a/package.hugo.json
+++ b/package.hugo.json
@@ -35,5 +35,5 @@
   "scripts": {
     "test": "echo 'Test'"
   },
-  "version": "2.1.0"
+  "version": "4.2.0"
 }
diff --git a/package.json b/package.json
index 65dea65..c354f28 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "terminal",
-  "version": "3.1.0",
+  "version": "4.2.0",
   "author": "Radosław Kozieł <@panr> <radoslaw.koziel@gmail.com>",
   "main": "index.js",
   "license": "MIT",