diff --git a/docs/web/DEPLOYMENT.md b/docs/web/DEPLOYMENT.md
index 0dc8afec6..20a5942d5 100644
--- a/docs/web/DEPLOYMENT.md
+++ b/docs/web/DEPLOYMENT.md
@@ -199,8 +199,8 @@ with `200` and a different ETag. Immutable `/assets/*` names must include the Vi
 never reused for different bytes.
 
 The server must use the MIME map in the JSON contract. In particular, WebAssembly is
-`application/wasm`, JavaScript is `text/javascript; charset=utf-8`, and NanoVDB is
-`application/x-nanovdb`.
+`application/wasm`, JavaScript is `text/javascript; charset=utf-8`, SVG is `image/svg+xml`, and
+NanoVDB is `application/x-nanovdb`.
 
 ## Range and validators
 
diff --git a/docs/web/deployment-contract.json b/docs/web/deployment-contract.json
index cf23efb7d..638d39cf4 100644
--- a/docs/web/deployment-contract.json
+++ b/docs/web/deployment-contract.json
@@ -50,6 +50,7 @@
     ".css": "text/css; charset=utf-8",
     ".wasm": "application/wasm",
     ".json": "application/json; charset=utf-8",
+    ".svg": "image/svg+xml",
     ".png": "image/png",
     ".jpg": "image/jpeg",
     ".jpeg": "image/jpeg",
diff --git a/tools/web/check-deployment-contract.mjs b/tools/web/check-deployment-contract.mjs
index 0d606d75e..34e379962 100644
--- a/tools/web/check-deployment-contract.mjs
+++ b/tools/web/check-deployment-contract.mjs
@@ -38,6 +38,7 @@ for (const [extension, mime] of Object.entries({
   ".css": "text/css; charset=utf-8",
   ".wasm": "application/wasm",
   ".json": "application/json; charset=utf-8",
+  ".svg": "image/svg+xml",
   ".png": "image/png",
   ".jpg": "image/jpeg",
   ".jpeg": "image/jpeg",
diff --git a/tools/web/check-deployment-http.mjs b/tools/web/check-deployment-http.mjs
index ee5239246..5e20c105b 100644
--- a/tools/web/check-deployment-http.mjs
+++ b/tools/web/check-deployment-http.mjs
@@ -32,6 +32,7 @@ function deterministicBytes(size, seed) {
 
 const fixtures = new Map([
   ["/index.html", write("index.html", "<!doctype html><title>Web Blender</title>")],
+  ["/favicon.svg", write("favicon.svg", "<svg xmlns=\"http://www.w3.org/2000/svg\"/>")],
   ["/assets/app.js", write("assets/app.js", "export const app = true;\n")],
   ["/assets/app.css", write("assets/app.css", "body { color: black; }\n")],
   ["/vendor/blender/single/web_engine.js", write("vendor/blender/single/web_engine.js", "export default () => {};\n")],
@@ -103,6 +104,7 @@ try {
 
   const mimeCases = [
     ["/index.html", ".html"],
+    ["/favicon.svg", ".svg"],
     ["/assets/app.js", ".js"],
     ["/assets/app.css", ".css"],
     ["/vendor/blender/single/web_engine.wasm", ".wasm"],
@@ -176,7 +178,7 @@ try {
   assert.notEqual(changed.headers.get("etag"), etagFirst);
   assert.deepEqual(await body(changed), replacement);
 
-  process.stdout.write("deployment-http-ok mime=9 head=4 ranges=5 invalidRanges=6 resumeSha256=verified\n");
+  process.stdout.write("deployment-http-ok mime=10 head=4 ranges=5 invalidRanges=6 resumeSha256=verified\n");
 }
 finally {
   if (server.listening) await new Promise((resolve) => server.close(resolve));