diff --git a/extensions.json b/extensions.json
index 985cf72..7baee4b 100644
--- a/extensions.json
+++ b/extensions.json
@@ -45,5 +45,6 @@
   "map-location-keys": "https://raw.githubusercontent.com/alvarocavalcanti/map-location-keys/main/public/store.md",
   "dragonbane-initiative": "https://nboughton.uk/apps/obr-dragonbane-initiative/store.md",
   "shortrest": "https://www.battle-system.com/owlbear/shortrest-docs/store.md",
-  "shadow-sheet": "https://shadow-sheet.online/store.md"
+  "shadow-sheet": "https://shadow-sheet.online/store.md",
+  "sheet-from-beyond": "https://raw.githubusercontent.com/alvarocavalcanti/sheet-from-beyond/main/public/store.md"
 }