diff --git a/packages/frontend/src/pages/about.vue b/packages/frontend/src/pages/about.vue
index 9fcaba962a..fc5b902d07 100644
--- a/packages/frontend/src/pages/about.vue
+++ b/packages/frontend/src/pages/about.vue
@@ -32,6 +32,13 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div v-html="i18n.tsx.poweredByMisskeyDescription({ name: instance.name ?? host })">
 						</div>
 						<FormLink to="/about-misskey">{{ i18n.ts.aboutMisskey }}</FormLink>
+						<FormLink v-if="instance.repositoryUrl || instance.providesTarball" :to="instance.repositoryUrl || `/tarball/misskey-${version}.tar.gz`" external>
+							<template #icon><i class="ti ti-code"></i></template>
+							{{ i18n.ts.sourceCode }}
+						</FormLink>
+						<MkInfo v-else warn>
+							{{ i18n.ts.sourceCodeIsNotYetProvided }}
+						</MkInfo>
 						ソースコード含め問い合わせは下記のメールアドレスへよろしくお願いします。
 					</div>
 				</FormSection>