diff --git a/app/features/tournament-subs/routes/to.$id.subs.new.tsx b/app/features/tournament-subs/routes/to.$id.subs.new.tsx
index ae2c398ef..57f605753 100644
--- a/app/features/tournament-subs/routes/to.$id.subs.new.tsx
+++ b/app/features/tournament-subs/routes/to.$id.subs.new.tsx
@@ -17,7 +17,10 @@ import { TrashIcon } from "~/components/icons/Trash";
 import { useUser } from "~/features/auth/core/user";
 import { requireUser } from "~/features/auth/core/user.server";
 import { tournamentIdFromParams } from "~/features/tournament";
-import { tournamentFromDB } from "~/features/tournament-bracket/core/Tournament.server";
+import {
+	clearTournamentDataCache,
+	tournamentFromDB,
+} from "~/features/tournament-bracket/core/Tournament.server";
 import type { MainWeaponId } from "~/modules/in-game-lists";
 import {
 	type SendouRouteHandle,
@@ -65,6 +68,8 @@ export const action: ActionFunction = async ({ params, request }) => {
 		userId: user.id,
 	});
 
+	clearTournamentDataCache(tournamentId);
+
 	throw redirect(tournamentSubsPage(tournamentId));
 };
 
diff --git a/app/features/tournament-subs/routes/to.$id.subs.tsx b/app/features/tournament-subs/routes/to.$id.subs.tsx
index 1ce0a60fc..2e837f9a5 100644
--- a/app/features/tournament-subs/routes/to.$id.subs.tsx
+++ b/app/features/tournament-subs/routes/to.$id.subs.tsx
@@ -18,7 +18,10 @@ import { TrashIcon } from "~/components/icons/Trash";
 import { useUser } from "~/features/auth/core/user";
 import { getUser, requireUser } from "~/features/auth/core/user.server";
 import { tournamentIdFromParams } from "~/features/tournament";
-import { tournamentFromDB } from "~/features/tournament-bracket/core/Tournament.server";
+import {
+	clearTournamentDataCache,
+	tournamentFromDB,
+} from "~/features/tournament-bracket/core/Tournament.server";
 import { useTournament } from "~/features/tournament/routes/to.$id";
 import { parseRequestPayload, validate } from "~/utils/remix.server";
 import { assertUnreachable } from "~/utils/types";
@@ -52,6 +55,8 @@ export const action: ActionFunction = async ({ request, params }) => {
 		userId: data.userId,
 	});
 
+	clearTournamentDataCache(tournamentId);
+
 	return null;
 };