diff --git a/.github/social-preview.png b/.github/social-preview.png
index eff4e50..9dab58a 100644
Binary files a/.github/social-preview.png and b/.github/social-preview.png differ
diff --git a/assets/README.md b/assets/README.md
index ba7c67a..22424f7 100644
--- a/assets/README.md
+++ b/assets/README.md
@@ -15,3 +15,6 @@ supports it: `lua/libtmux/assets`, `packages/mcp/assets` and
 with the centered logo block and rejects art that belongs to another product.
 `.github/social-preview.png` is the cog sharing card, ready to upload under the
 repository's **Settings → Social preview**.
+
+The sharing card comes from `assets/lua/library/opengraph-light.png`
+at kit revision `4b86a9d9158d7c6d52cd635d59c92a04b48b960f`.