diff --git a/data/tools.json b/data/tools.json
index cbe9483..19f52b7 100644
--- a/data/tools.json
+++ b/data/tools.json
@@ -33,7 +33,9 @@
         "name": "Zellij",
         "type": "Terminal Tools",
         "url": "https://zellij.dev/",
-        "description": "A terminal workspace and multiplexer"
+        "description": "A terminal workspace and multiplexer",
+        "demo": "<script src=\"https://asciinema.c.woodburn.au/a/10.js\" id=\"asciicast-10\" async=\"true\"></script>",
+        "demo_url": "https://asciinema.c.woodburn.au/a/10"
     },
     {
         "name": "Fx",