diff --git a/collections/programming-languages/index.md b/collections/programming-languages/index.md
index 569579331f0d..ab3c457bbb38 100644
--- a/collections/programming-languages/index.md
+++ b/collections/programming-languages/index.md
@@ -1,5 +1,6 @@
 ---
 items:
+- ufko-org/rebel
 - golang/go
 - swiftlang/swift
 - microsoft/TypeScript