diff --git a/data/category-forums b/data/category-forums
index 1e01a4c4..8e26da34 100644
--- a/data/category-forums
+++ b/data/category-forums
@@ -24,3 +24,4 @@ pincong.rocks
 safechat.com
 sis001.com
 v2ex.com
+hydrogenaud.io