diff --git a/.changeset/thick-books-fail.md b/.changeset/thick-books-fail.md
new file mode 100644
index 0000000000..42dba3c86e
--- /dev/null
+++ b/.changeset/thick-books-fail.md
@@ -0,0 +1,5 @@
+---
+"svelte": patch
+---
+
+fix: add "Accept-CH" as valid value for `http-equiv`
diff --git a/packages/svelte/elements.d.ts b/packages/svelte/elements.d.ts
index f63a31a96b..e604505d96 100644
--- a/packages/svelte/elements.d.ts
+++ b/packages/svelte/elements.d.ts
@@ -1268,6 +1268,7 @@ export interface HTMLMetaAttributes extends HTMLAttributes<HTMLMetaElement> {
 	charset?: string | undefined | null;
 	content?: string | undefined | null;
 	'http-equiv'?:
+	  | 'accept-ch'
 		| 'content-security-policy'
 		| 'content-type'
 		| 'default-style'