diff --git a/packages/lucide-svelte/scripts/buildTypes.mjs b/packages/lucide-svelte/scripts/buildTypes.mjs
index ee7ee864a..fbca91d15 100644
--- a/packages/lucide-svelte/scripts/buildTypes.mjs
+++ b/packages/lucide-svelte/scripts/buildTypes.mjs
@@ -31,8 +31,8 @@ import { SvelteComponentTyped } from "svelte";
 
 interface IconProps extends Partial<svelte.JSX.SVGProps<SVGSVGElement>> {
   color?: string
-  size?: number,
-  strokeWidth?: number,
+  size?: number|string,
+  strokeWidth?: number|string,
   class?: string
 }
 
diff --git a/packages/lucide-svelte/src/Icon.svelte b/packages/lucide-svelte/src/Icon.svelte
index 790d0be84..5991c9d12 100644
--- a/packages/lucide-svelte/src/Icon.svelte
+++ b/packages/lucide-svelte/src/Icon.svelte
@@ -4,8 +4,8 @@
 
   export let name: string
   export let color = 'currentColor'
-  export let size = 24
-  export let strokeWidth = 2
+  export let size: number|string = 24
+  export let strokeWidth: number|string = 2
   export let iconNode: IconNode
 </script>