diff --git a/deno.json b/deno.json
index abba3e4..f835fd4 100644
--- a/deno.json
+++ b/deno.json
@@ -24,7 +24,7 @@
   },
   "imports": {
     "@silverbulletmd/silverbullet": "jsr:@silverbulletmd/silverbullet@^2.4.1",
-    "ical.js": "npm:ical.js@2.0.1",
+    "ical.js": "https://esm.sh/ical.js@2.0.1",
     "rrule": "https://esm.sh/rrule@2.8.1"
   }
 }
\ No newline at end of file