diff --git a/build/lib/fetch.js b/build/lib/fetch.js
index 31a3447982d..4f7af522b5b 100644
--- a/build/lib/fetch.js
+++ b/build/lib/fetch.js
@@ -47,7 +47,10 @@ async function fetchUrl(url, options, retries = 10, retryDelay = 1000) {
             startTime = new Date().getTime();
         }
         const controller = new AbortController();
-        const timeout = setTimeout(() => controller.abort(), 30 * 1000);
+        // --- Start Positron ---
+        const timeoutSeconds = options.timeoutSeconds ?? 30;
+        const timeout = setTimeout(() => controller.abort(), timeoutSeconds * 1000);
+        // --- End Positron ---
         try {
             const response = await fetch(url, {
                 ...options.nodeFetchOptions,
diff --git a/build/lib/fetch.ts b/build/lib/fetch.ts
index 200e9b3e7a5..0eed6b0e608 100644
--- a/build/lib/fetch.ts
+++ b/build/lib/fetch.ts
@@ -20,6 +20,9 @@ export interface IFetchOptions {
 	nodeFetchOptions?: RequestInit;
 	verbose?: boolean;
 	checksumSha256?: string;
+	// --- Start Positron ---
+	timeoutSeconds?: number;
+	// --- End Positron ---
 }
 
 export function fetchUrls(urls: string[] | string, options: IFetchOptions): es.ThroughStream {
@@ -58,7 +61,10 @@ export async function fetchUrl(url: string, options: IFetchOptions, retries = 10
 			startTime = new Date().getTime();
 		}
 		const controller = new AbortController();
-		const timeout = setTimeout(() => controller.abort(), 30 * 1000);
+		// --- Start Positron ---
+		const timeoutSeconds = options.timeoutSeconds ?? 30;
+		const timeout = setTimeout(() => controller.abort(), timeoutSeconds * 1000);
+		// --- End Positron ---
 		try {
 			const response = await fetch(url, {
 				...options.nodeFetchOptions,
diff --git a/build/lib/quarto.js b/build/lib/quarto.js
index 4dd0852ecbe..b872f7d3897 100644
--- a/build/lib/quarto.js
+++ b/build/lib/quarto.js
@@ -32,6 +32,7 @@ function getQuartoWindows(version) {
     return (0, fetch_1.fetchUrls)([`${basename}.zip`], {
         base: getBaseUrl(version),
         verbose: true,
+        timeoutSeconds: 90,
     })
         .pipe(unzip());
 }
@@ -47,6 +48,7 @@ function getQuartoMacOS(version) {
     return (0, fetch_1.fetchUrls)([`quarto-${version}-macos.tar.gz`], {
         base: getBaseUrl(version),
         verbose: true,
+        timeoutSeconds: 90,
     })
         // Unzip, then untar
         .pipe(gunzip())
@@ -67,6 +69,7 @@ function getQuartoLinux(version) {
     return (0, fetch_1.fetchUrls)([`${basename}.tar.gz`], {
         base: getBaseUrl(version),
         verbose: true,
+        timeoutSeconds: 90,
     })
         // Unzip, then untar
         .pipe(gunzip())
diff --git a/build/lib/quarto.ts b/build/lib/quarto.ts
index 555aafc8458..50f2679f3ef 100644
--- a/build/lib/quarto.ts
+++ b/build/lib/quarto.ts
@@ -32,6 +32,7 @@ function getQuartoWindows(version: string): Stream {
 	return fetchUrls([`${basename}.zip`], {
 		base: getBaseUrl(version),
 		verbose: true,
+		timeoutSeconds: 90,
 	})
 		.pipe(unzip());
 }
@@ -49,6 +50,7 @@ function getQuartoMacOS(version: string): Stream {
 	return fetchUrls([`quarto-${version}-macos.tar.gz`], {
 		base: getBaseUrl(version),
 		verbose: true,
+		timeoutSeconds: 90,
 	})
 		// Unzip, then untar
 		.pipe(gunzip())
@@ -72,6 +74,7 @@ function getQuartoLinux(version: string): Stream {
 	return fetchUrls([`${basename}.tar.gz`], {
 		base: getBaseUrl(version),
 		verbose: true,
+		timeoutSeconds: 90,
 	})
 		// Unzip, then untar
 		.pipe(gunzip())