diff --git a/index.html b/index.html
index 67813cb..5f3b923 100644
--- a/index.html
+++ b/index.html
@@ -7,13 +7,13 @@
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-    <!-- <meta property="og:image" content="https://gocon.jp/2026/og_image_lg.png" /> -->
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     <meta property="twitter:card" content="summary" />
     <meta property="twitter:url" content="https://gocon.jp/2026" />
     <meta property="twitter:title" content="Go Conference 2026" />
     <meta property="twitter:description" content="Go Conference is a conference for Go programming language users." />
-    <!-- <meta property="twitter:image" content="https://gocon.jp/2026/og_image_md.png" /> -->
+    <meta property="twitter:image" content="https://gocon.jp/2026/og_image_md.png" />
     <title>Go Conference 2026</title>
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