@@ -23,13 +23,24 @@ type LicenseManifestState =
 let licenseManifestPromise: Promise<ThirdPartyLicenseManifest> | undefined;
 
 async function fetchLicenseManifest(): Promise<ThirdPartyLicenseManifest> {
-  const response = await fetch(
-    `${import.meta.env.BASE_URL.replace(/\/$/, "")}/third-party-licenses.json`,
-  );
-  if (!response.ok) {
-    throw new Error(`The license manifest request failed with status ${String(response.status)}.`);
+  const signal = AbortSignal.timeout(30_000);
+  try {
+    const response = await fetch(
+      `${import.meta.env.BASE_URL.replace(/\/$/, "")}/third-party-licenses.json`,
+      { signal },
+    );
+    if (!response.ok) {
+      throw new Error(
+        `The license manifest request failed with status ${String(response.status)}.`,
+      );
+    }
+    return decodeThirdPartyLicenseManifest((await response.json()) as unknown);
+  } catch (error) {
+    if (signal.aborted) {
+      throw new Error("The license manifest took too long to load.", { cause: error });
+    }
+    throw error;
   }
-  return decodeThirdPartyLicenseManifest((await response.json()) as unknown);
 }
 
 function loadLicenseManifest(): Promise<ThirdPartyLicenseManifest> {