diff --git a/.changeset/new-otters-sell.md b/.changeset/new-otters-sell.md
new file mode 100644
index 0000000000..b8b03811b6
--- /dev/null
+++ b/.changeset/new-otters-sell.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/rss': patch
+---
+
+Add URL to RSSOptions.site type
diff --git a/packages/astro-rss/src/index.ts b/packages/astro-rss/src/index.ts
index 47c7c1db42..4d97647f14 100644
--- a/packages/astro-rss/src/index.ts
+++ b/packages/astro-rss/src/index.ts
@@ -16,7 +16,7 @@ export type RSSOptions = {
 	 * We recommend using the [endpoint context object](https://docs.astro.build/en/reference/api-reference/#contextsite),
 	 * which includes the `site` configured in your project's `astro.config.*`
 	 */
-	site: z.infer<typeof rssOptionsValidator>['site'];
+	site: z.infer<typeof rssOptionsValidator>['site'] | URL;
 	/** List of RSS feed items to render. */
 	items: RSSFeedItem[] | GlobResult;
 	/** Specify arbitrary metadata on opening <xml> tag */