diff --git a/data/active-repos b/data/active-repos
index 590b6140..2835463b 100644
--- a/data/active-repos
+++ b/data/active-repos
@@ -107,6 +107,7 @@ make-a-ten
 masses-and-springs
 masses-and-springs-basics
 mean-share-and-balance
+membrane-channels
 mobius
 models-of-the-hydrogen-atom
 molarity