diff --git a/CNAME b/CNAME
new file mode 100644
index 00000000000..68f2ef15d27
--- /dev/null
+++ b/CNAME
@@ -0,0 +1,2 @@
+otisium.dedyn.io
+
diff --git a/cnames_active.js b/cnames_active.js
index a35ae624f33..69c1263a42c 100644
--- a/cnames_active.js
+++ b/cnames_active.js
@@ -2304,6 +2304,7 @@ var cnames_active = {
   "oslo": "pilcrowonpaper.github.io/oslo",
   "osom": "kikobeats.github.io/osom",
   "ot": "otjs-docs.github.io",
+  "otisium": "otisium.dedyn.io",
   "otimizacao": "jmmccota.github.io/Otimizacao",
   "otp": "60-min-code.github.io/gen-totp",
   "ourcord": "ourcord.netlify.app",