diff --git a/.changeset/ten-poems-remember.md b/.changeset/ten-poems-remember.md
new file mode 100644
index 0000000000..2414a41a95
--- /dev/null
+++ b/.changeset/ten-poems-remember.md
@@ -0,0 +1,5 @@
+---
+'svelte': patch
+---
+
+fix: add `indeterminate` to the list of HTMLAttributes
diff --git a/packages/svelte/elements.d.ts b/packages/svelte/elements.d.ts
index 9a7e7b3aa8..d8af17d79d 100644
--- a/packages/svelte/elements.d.ts
+++ b/packages/svelte/elements.d.ts
@@ -808,6 +808,7 @@ export interface HTMLInputAttributes extends HTMLAttributes<HTMLInputElement> {
 	formnovalidate?: boolean | undefined | null;
 	formtarget?: string | undefined | null;
 	height?: number | string | undefined | null;
+	indeterminate?: boolean | undefined | null;
 	list?: string | undefined | null;
 	max?: number | string | undefined | null;
 	maxlength?: number | undefined | null;