diff --git a/app/features/img-upload/ImageRepository.server.ts b/app/features/img-upload/ImageRepository.server.ts
new file mode 100644
index 000000000..f65b4c7c5
--- /dev/null
+++ b/app/features/img-upload/ImageRepository.server.ts
@@ -0,0 +1,14 @@
+import { db } from "~/db/sql";
+
+export function findById(id: number) {
+	return db
+		.selectFrom("UnvalidatedUserSubmittedImage")
+		.leftJoin(
+			"CalendarEvent",
+			"CalendarEvent.avatarImgId",
+			"UnvalidatedUserSubmittedImage.id",
+		)
+		.select(["CalendarEvent.tournamentId"])
+		.where("UnvalidatedUserSubmittedImage.id", "=", id)
+		.executeTakeFirst();
+}
diff --git a/app/features/img-upload/routes/upload.admin.tsx b/app/features/img-upload/routes/upload.admin.tsx
index 8baadacfc..ceeaf7734 100644
--- a/app/features/img-upload/routes/upload.admin.tsx
+++ b/app/features/img-upload/routes/upload.admin.tsx
@@ -3,9 +3,16 @@ import { Form, useLoaderData } from "@remix-run/react";
 import { Main } from "~/components/Main";
 import { SubmitButton } from "~/components/SubmitButton";
 import { requireUserId } from "~/features/auth/core/user.server";
+import { clearTournamentDataCache } from "~/features/tournament-bracket/core/Tournament.server";
 import { isMod } from "~/permissions";
-import { notFoundIfFalsy, parseRequestFormData, validate } from "~/utils/remix";
+import {
+	badRequestIfFalsy,
+	notFoundIfFalsy,
+	parseRequestFormData,
+	validate,
+} from "~/utils/remix";
 import { userSubmittedImage } from "~/utils/urls";
+import * as ImageRepository from "../ImageRepository.server";
 import { countAllUnvalidatedImg } from "../queries/countAllUnvalidatedImg.server";
 import { oneUnvalidatedImage } from "../queries/oneUnvalidatedImage";
 import { validateImage } from "../queries/validateImage";
@@ -20,8 +27,14 @@ export const action: ActionFunction = async ({ request }) => {
 
 	validate(isMod(user), "Only admins can validate images");
 
+	const image = badRequestIfFalsy(await ImageRepository.findById(data.imageId));
+
 	validateImage(data.imageId);
 
+	if (image.tournamentId) {
+		clearTournamentDataCache(image.tournamentId);
+	}
+
 	return null;
 };