diff --git a/Discovery/Web-Content/web-extensions.txt b/Discovery/Web-Content/web-extensions.txt
index 12d75fc3b..b97867a00 100644
--- a/Discovery/Web-Content/web-extensions.txt
+++ b/Discovery/Web-Content/web-extensions.txt
@@ -32,6 +32,7 @@
 .phtml
 .pl
 .phar
+.rb
 .reg
 .sh
 .shtml