diff --git a/packages/backend/test/e2e/note.ts b/packages/backend/test/e2e/note.ts
index 961df99cc2..971dc81cd8 100644
--- a/packages/backend/test/e2e/note.ts
+++ b/packages/backend/test/e2e/note.ts
@@ -44,7 +44,7 @@ describe('Note', () => {
 	});
 
 	test('ファイルを添付できる', async () => {
-		const file = await uploadUrl(alice, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.jpg');
+		const file = await uploadUrl(alice, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.jpg');
 
 		const res = await api('/notes/create', {
 			fileIds: [file.id],
@@ -56,7 +56,7 @@ describe('Note', () => {
 	}, 1000 * 10);
 
 	test('他人のファイルで怒られる', async () => {
-		const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.jpg');
+		const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.jpg');
 
 		const res = await api('/notes/create', {
 			text: 'test',
diff --git a/packages/backend/test/e2e/timelines.ts b/packages/backend/test/e2e/timelines.ts
index 91814941c9..9cd930a787 100644
--- a/packages/backend/test/e2e/timelines.ts
+++ b/packages/backend/test/e2e/timelines.ts
@@ -365,8 +365,8 @@ describe('Timelines', () => {
 			await api('/following/create', { userId: bob.id }, alice);
 			await sleep(1000);
 			const [bobFile, carolFile] = await Promise.all([
-				uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png'),
-				uploadUrl(carol, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png'),
+				uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png'),
+				uploadUrl(carol, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png'),
 			]);
 			const bobNote1 = await post(bob, { text: 'hi' });
 			const bobNote2 = await post(bob, { fileIds: [bobFile.id] });
@@ -665,7 +665,7 @@ describe('Timelines', () => {
 		test.concurrent('[withFiles: true] ファイル付きノートのみ含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup()]);
 
-			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png');
+			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png');
 			const bobNote1 = await post(bob, { text: 'hi' });
 			const bobNote2 = await post(bob, { fileIds: [file.id] });
 
@@ -803,7 +803,7 @@ describe('Timelines', () => {
 		test.concurrent('[withFiles: true] ファイル付きノートのみ含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup()]);
 
-			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png');
+			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png');
 			const bobNote1 = await post(bob, { text: 'hi' });
 			const bobNote2 = await post(bob, { fileIds: [file.id] });
 
@@ -999,7 +999,7 @@ describe('Timelines', () => {
 
 			const list = await api('/users/lists/create', { name: 'list' }, alice).then(res => res.body);
 			await api('/users/lists/push', { listId: list.id, userId: bob.id }, alice);
-			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png');
+			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png');
 			const bobNote1 = await post(bob, { text: 'hi' });
 			const bobNote2 = await post(bob, { fileIds: [file.id] });
 
@@ -1158,7 +1158,7 @@ describe('Timelines', () => {
 		test.concurrent('[withFiles: true] ファイル付きノートのみ含まれる', async () => {
 			const [alice, bob] = await Promise.all([signup(), signup()]);
 
-			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/misskey-dev/assets/main/public/icon.png');
+			const file = await uploadUrl(bob, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png');
 			const bobNote1 = await post(bob, { text: 'hi' });
 			const bobNote2 = await post(bob, { fileIds: [file.id] });
 
diff --git a/packages/backend/test/e2e/user-notes.ts b/packages/backend/test/e2e/user-notes.ts
index b5f00a6327..47d73ce9ba 100644
--- a/packages/backend/test/e2e/user-notes.ts
+++ b/packages/backend/test/e2e/user-notes.ts
@@ -21,8 +21,8 @@ describe('users/notes', () => {
 	beforeAll(async () => {
 		app = await startServer();
 		alice = await signup({ username: 'alice' });
-		const jpg = await uploadUrl(alice, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.jpg');
-		const png = await uploadUrl(alice, 'https://raw.githubusercontent.com/misskey-dev/misskey/develop/packages/backend/test/resources/Lenna.png');
+		const jpg = await uploadUrl(alice, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.jpg');
+		const png = await uploadUrl(alice, 'https://raw.githubusercontent.com/MisskeyIO/misskey/io/packages/backend/test/resources/Lenna.png');
 		jpgNote = await post(alice, {
 			fileIds: [jpg.id],
 		});
diff --git a/packages/frontend/.storybook/mocks.ts b/packages/frontend/.storybook/mocks.ts
index 80e5157c5a..103f2b6abc 100644
--- a/packages/frontend/.storybook/mocks.ts
+++ b/packages/frontend/.storybook/mocks.ts
@@ -15,12 +15,12 @@ export const onUnhandledRequest = ((req, print) => {
 export const commonHandlers = [
 	rest.get('/fluent-emoji/:codepoints.png', async (req, res, ctx) => {
 		const { codepoints } = req.params;
-		const value = await fetch(`https://raw.githubusercontent.com/misskey-dev/emojis/main/dist/${codepoints}.png`).then((response) => response.blob());
+		const value = await fetch(`https://raw.githubusercontent.com/MisskeyIO/emojis/main/dist/${codepoints}.png`).then((response) => response.blob());
 		return res(ctx.set('Content-Type', 'image/png'), ctx.body(value));
 	}),
 	rest.get('/fluent-emojis/:codepoints.png', async (req, res, ctx) => {
 		const { codepoints } = req.params;
-		const value = await fetch(`https://raw.githubusercontent.com/misskey-dev/emojis/main/dist/${codepoints}.png`).then((response) => response.blob());
+		const value = await fetch(`https://raw.githubusercontent.com/MisskeyIO/emojis/main/dist/${codepoints}.png`).then((response) => response.blob());
 		return res(ctx.set('Content-Type', 'image/png'), ctx.body(value));
 	}),
 	rest.get('/twemoji/:codepoints.svg', async (req, res, ctx) => {