diff --git a/src/services/db.ts b/src/services/db.ts
index fa39a04..f25785f 100644
--- a/src/services/db.ts
+++ b/src/services/db.ts
@@ -392,6 +392,23 @@ class GrimoireDb extends Dexie {
       grimoireZaps:
         "&eventId, senderPubkey, timestamp, [senderPubkey+timestamp]",
     });
+
+    // Version 18: Add parameterType index to spells for parameterized spell queries
+    this.version(18).stores({
+      profiles: "&pubkey",
+      nip05: "&nip05",
+      nips: "&id",
+      relayInfo: "&url",
+      relayAuthPreferences: "&url",
+      relayLists: "&pubkey, updatedAt",
+      relayLiveness: "&url",
+      blossomServers: "&pubkey, updatedAt",
+      spells: "&id, alias, createdAt, isPublished, deletedAt, parameterType",
+      spellbooks: "&id, slug, title, createdAt, isPublished, deletedAt",
+      lnurlCache: "&address, fetchedAt",
+      grimoireZaps:
+        "&eventId, senderPubkey, timestamp, [senderPubkey+timestamp]",
+    });
   }
 }