diff --git a/src/_data/ogp.json b/src/_data/ogp.json
index f9328b8..d3c1f97 100644
--- a/src/_data/ogp.json
+++ b/src/_data/ogp.json
@@ -5,5 +5,8 @@
   "title": "UNTIL.: UNiversity of Tsukuba Information-technology Lab.",
   "twitter": {
     "id": "@until_tsukuba"
+  },
+  "fediverse": {
+    "creator": "@until@mi.tsukuba.dev"
   }
 }
diff --git a/src/_includes/components/navbar.njk b/src/_includes/components/navbar.njk
index 4a16e2b..f012de5 100644
--- a/src/_includes/components/navbar.njk
+++ b/src/_includes/components/navbar.njk
@@ -3,6 +3,7 @@
     <a href='{{ "/" | htmlBaseUrl }}'>Home</a>
     <a href='{{ "/events" | htmlBaseUrl }}'>イベント一覧</a>
     <a rel="me" href="https://twitter.com/until_tsukuba">Twitter</a>
+    <a rel="me" href="https://mi.tsukuba.dev/@until">Misskey (Fediverse)</a>
     <a rel="me" href="https://github.com/until-tsukuba">GitHub</a>
   </div>
 </nav>
diff --git a/src/_includes/components/ogp.njk b/src/_includes/components/ogp.njk
index 87343c0..22b3ee5 100644
--- a/src/_includes/components/ogp.njk
+++ b/src/_includes/components/ogp.njk
@@ -6,3 +6,4 @@
 <meta property="og:site_name" content="{{ ogp.site_name }}"/>
 <meta property="twitter:card" content="summary"/>
 <meta property="twitter:site" content="{{ ogp.twitter.id }}"/>
+<meta name="fediverse:creator" content="{{ ogp.fediverse.creator }}" />
\ No newline at end of file