diff --git a/images/reference/index.md b/images/reference/index.md
index ae5b587b..22899cf8 100644
--- a/images/reference/index.md
+++ b/images/reference/index.md
@@ -211,4 +211,5 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/ubisoft.svg" width="256"/> | <img src="/images/reference/ubisoft.png" width="256"/> | https://commons.wikimedia.org/wiki/File:Ubisoft_logo.svg |
 | <img src="/images/svg/ea.svg" width="256"/> | <img src="/images/reference/ea.png" width="256"/> | https://commons.wikimedia.org/wiki/File:EA-Logo.svg |
 | <img src="/images/svg/amazon_alexa.svg" width="256"/> | <img src="/images/reference/amazon_alexa.png" width="256"/> | https://developer.amazon.com/docs/alexa-voice-service/logo-and-brand.html |
-| <img src="/images/svg/debian.svg" width="256"/> | <img src="/images/reference/debian.svg" width="256"/> | https://www.debian.org/logos/ |
\ No newline at end of file
+| <img src="/images/svg/debian.svg" width="256"/> | <img src="/images/reference/debian.svg" width="256"/> | https://www.debian.org/logos/ | 
+| <img src="/images/svg/ruby.svg" width="256"/> | <img src="/images/reference/ruby.svg" width="256"/> |