diff --git a/cnames_active.js b/cnames_active.js
index 1552cf33..650f152b 100644
--- a/cnames_active.js
+++ b/cnames_active.js
@@ -917,6 +917,7 @@ var cnames_active = {
   "hx": "hifocus.github.io/www.hxis.me",
   "hybrids": "hosting.gitbook.com", // noCF
   "hyde": "gheek.github.io/hyde", // noCF? (don´t add this in a new PR)
+  "hydro": "hydro-dev.github.io",
   "hydrogen": "siddharthbose-codeware.github.io/hydrogen-website",
   "hyf": "yafey.github.io",
   "hyperform": "hyperform.github.io",