diff --git a/crates/relay/src/site.rs b/crates/relay/src/site.rs
index 11a7a96bd515c5c8b6c845fa845090bbb49125b1..cd0d024d5671bcd5ad510aecf834e310f6177b24 100644
--- a/crates/relay/src/site.rs
+++ b/crates/relay/src/site.rs
@@ -283,6 +283,7 @@ fn landing(shown: &str, site: &Site) -> String {
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Shared notebook {shown} · Snowbound</title>
+<link rel="icon" type="image/svg+xml" href="/favicon.svg">
 <style>
   :root {{ color-scheme: light dark; font-family: system-ui, sans-serif; }}
   body {{ margin: 0; min-height: 100vh; display: grid; place-items: center; background: Canvas; color: CanvasText; }}
diff --git a/crates/snowbound/web/index.html b/crates/snowbound/web/index.html
index 2c181528ab9aa18c8d1042c35e499c63c4b8214e..3665263d180b09467d8e80c04f5371460445151e 100644
--- a/crates/snowbound/web/index.html
+++ b/crates/snowbound/web/index.html
@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1, interactive-widget=resizes-content">
 <title>Snowbound</title>
+<link rel="icon" type="image/svg+xml" href="/favicon.svg">
 <script>
   // The open section's hue and the page's colour as the app last showed them (`keepLook`).
   try {
diff --git a/tools/release_web.py b/tools/release_web.py
index 915dcac92a99419d0f1131c886fa1160780bcecf..dd36dd7385b3dee3e0b08e1cbaa0a9b6b837cc0e 100644
--- a/tools/release_web.py
+++ b/tools/release_web.py
@@ -152,6 +152,8 @@ def page(out, code):
             sys.exit(f'index.html lacks `{marker}`')
         html = html.replace(marker, written)
     (out / 'index.html').write_text(html)
+    shutil.copyfile(ROOT / 'crates/snowbound/assets/icon/sources/Snowbound-Tahoe.icon/Assets/Snowflake.svg',
+                    out / 'favicon.svg')
 
 
 def dictionaries(folder):