diff --git a/packages/svelte/types/index.d.ts b/packages/svelte/types/index.d.ts
index 7baeab4189..5c7334daef 100644
--- a/packages/svelte/types/index.d.ts
+++ b/packages/svelte/types/index.d.ts
@@ -680,6 +680,12 @@ declare module 'svelte/compiler' {
 		 * @default null
 		 */
 		cssOutputFilename?: string;
+		/**
+		 * If `true`, compiles components with hot reloading support.
+		 *
+		 * @default false
+		 */
+		hmr?: boolean;
 
 		// Other Svelte 4 compiler options:
 		// enableSourcemap?: EnableSourcemap; // TODO bring back? https://github.com/sveltejs/svelte/pull/6835
@@ -2357,6 +2363,12 @@ declare module 'svelte/types/compiler/interfaces' {
 		 * @default null
 		 */
 		cssOutputFilename?: string;
+		/**
+		 * If `true`, compiles components with hot reloading support.
+		 *
+		 * @default false
+		 */
+		hmr?: boolean;
 
 		// Other Svelte 4 compiler options:
 		// enableSourcemap?: EnableSourcemap; // TODO bring back? https://github.com/sveltejs/svelte/pull/6835