diff --git a/.changeset/plenty-poets-read.md b/.changeset/plenty-poets-read.md
new file mode 100644
index 000000000000..0c506d371edb
--- /dev/null
+++ b/.changeset/plenty-poets-read.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: add `srcObject` to permitted `<audio>`/`<video>` attributes
diff --git a/packages/svelte/elements.d.ts b/packages/svelte/elements.d.ts
index 17ff10072998..606e1ca8cf90 100644
--- a/packages/svelte/elements.d.ts
+++ b/packages/svelte/elements.d.ts
@@ -1239,6 +1239,7 @@ export interface HTMLMediaAttributes<T extends HTMLMediaElement> extends HTMLAtt
 	playsinline?: boolean | undefined | null;
 	preload?: 'auto' | 'none' | 'metadata' | '' | undefined | null;
 	src?: string | undefined | null;
+	srcobject?: MediaStream | MediaSource | File | Blob;
 	/**
 	 * a value between 0 and 1
 	 */