diff --git a/README.md b/README.md
index 65f4ce13..6e550eeb 100644
--- a/README.md
+++ b/README.md
@@ -151,3 +151,10 @@ By default, hCaptcha is skipped in "test" and "cucumber" env. To enable it durin
 ```ruby
 Hcaptcha.configuration.skip_verify_env.delete("test")
 ```
+
+## Themes
+
+By default, this plugin uses the dark theme for the hCaptcha widget. To change the theme used for rendering, you can use the following code:
+
+```ruby
+hcaptcha_tags(data-theme: "light")
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