diff --git a/src/Button/Button.svelte b/src/Button/Button.svelte
index 3f552730..033be0b3 100644
--- a/src/Button/Button.svelte
+++ b/src/Button/Button.svelte
@@ -69,7 +69,7 @@
   export let href = undefined;
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Specify the `type` attribute for the button element */
   export let type = "button";
diff --git a/src/DataTable/ToolbarSearch.svelte b/src/DataTable/ToolbarSearch.svelte
index 94a88969..ef83527c 100644
--- a/src/DataTable/ToolbarSearch.svelte
+++ b/src/DataTable/ToolbarSearch.svelte
@@ -35,7 +35,7 @@
   export let filteredRowIds = [];
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /**
    * Obtain a reference to the input HTML element
diff --git a/src/FileUploader/FileUploaderButton.svelte b/src/FileUploader/FileUploaderButton.svelte
index 7a626f64..ccb3cf6a 100644
--- a/src/FileUploader/FileUploaderButton.svelte
+++ b/src/FileUploader/FileUploaderButton.svelte
@@ -37,7 +37,7 @@
   export let role = "button";
 
   /** Specify `tabindex` attribute */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Set an id for the input element */
   export let id = "ccs-" + Math.random().toString(36);
diff --git a/src/FileUploader/FileUploaderDropContainer.svelte b/src/FileUploader/FileUploaderDropContainer.svelte
index e0648f88..b86558d9 100644
--- a/src/FileUploader/FileUploaderDropContainer.svelte
+++ b/src/FileUploader/FileUploaderDropContainer.svelte
@@ -36,7 +36,7 @@
   export let disabled = false;
 
   /** Specify `tabindex` attribute */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Set an id for the input element */
   export let id = "ccs-" + Math.random().toString(36);
diff --git a/src/StructuredList/StructuredListRow.svelte b/src/StructuredList/StructuredListRow.svelte
index 0fcb6108..9cc710df 100644
--- a/src/StructuredList/StructuredListRow.svelte
+++ b/src/StructuredList/StructuredListRow.svelte
@@ -6,7 +6,7 @@
   export let label = false;
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 </script>
 
 <!-- svelte-ignore a11y-mouse-events-have-key-events -->
diff --git a/src/Tabs/Tab.svelte b/src/Tabs/Tab.svelte
index b99e50f9..1fc73618 100644
--- a/src/Tabs/Tab.svelte
+++ b/src/Tabs/Tab.svelte
@@ -12,7 +12,7 @@
   export let disabled = false;
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Set an id for the top-level element */
   export let id = "ccs-" + Math.random().toString(36);
diff --git a/src/Tile/ExpandableTile.svelte b/src/Tile/ExpandableTile.svelte
index 14b10297..ad3f83ea 100644
--- a/src/Tile/ExpandableTile.svelte
+++ b/src/Tile/ExpandableTile.svelte
@@ -24,7 +24,7 @@
   export let tileCollapsedLabel = "";
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Set an id for the top-level div element */
   export let id = "ccs-" + Math.random().toString(36);
diff --git a/src/Tile/RadioTile.svelte b/src/Tile/RadioTile.svelte
index c672711f..06936285 100644
--- a/src/Tile/RadioTile.svelte
+++ b/src/Tile/RadioTile.svelte
@@ -12,7 +12,7 @@
   export let value = "";
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Specify the ARIA label for the radio tile checkmark icon */
   export let iconDescription = "Tile checkmark";
diff --git a/src/Tile/SelectableTile.svelte b/src/Tile/SelectableTile.svelte
index a613a919..cb82c132 100644
--- a/src/Tile/SelectableTile.svelte
+++ b/src/Tile/SelectableTile.svelte
@@ -15,7 +15,7 @@
   export let value = "value";
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /** Specify the ARIA label for the selectable tile checkmark icon */
   export let iconDescription = "Tile checkmark";
diff --git a/src/Tooltip/Tooltip.svelte b/src/Tooltip/Tooltip.svelte
index a520cd59..2ea1c3bb 100644
--- a/src/Tooltip/Tooltip.svelte
+++ b/src/Tooltip/Tooltip.svelte
@@ -42,7 +42,7 @@
   export let iconName = "";
 
   /** Set the button tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 
   /**
    * Set an id for the tooltip
diff --git a/src/UIShell/SkipToContent.svelte b/src/UIShell/SkipToContent.svelte
index cbba79ce..1efc423d 100644
--- a/src/UIShell/SkipToContent.svelte
+++ b/src/UIShell/SkipToContent.svelte
@@ -3,7 +3,7 @@
   export let href = "#main-content";
 
   /** Specify the tabindex */
-  export let tabindex = "0";
+  export let tabindex = 0;
 </script>
 
 <a
diff --git a/types/Button/Button.svelte.d.ts b/types/Button/Button.svelte.d.ts
index 529b8f7e..f608ce50 100644
--- a/types/Button/Button.svelte.d.ts
+++ b/types/Button/Button.svelte.d.ts
@@ -90,9 +90,9 @@ export interface ButtonProps
 
   /**
    * Specify the tabindex
-   * @default "0"
+   * @default 0
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Specify the `type` attribute for the button element
diff --git a/types/DataTable/ToolbarSearch.svelte.d.ts b/types/DataTable/ToolbarSearch.svelte.d.ts
index 43cb929f..46ad054a 100644
--- a/types/DataTable/ToolbarSearch.svelte.d.ts
+++ b/types/DataTable/ToolbarSearch.svelte.d.ts
@@ -54,7 +54,7 @@ export interface ToolbarSearchProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Obtain a reference to the input HTML element
diff --git a/types/FileUploader/FileUploaderButton.svelte.d.ts b/types/FileUploader/FileUploaderButton.svelte.d.ts
index 93455956..8a4960ca 100644
--- a/types/FileUploader/FileUploaderButton.svelte.d.ts
+++ b/types/FileUploader/FileUploaderButton.svelte.d.ts
@@ -55,7 +55,7 @@ export interface FileUploaderButtonProps
    * Specify `tabindex` attribute
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Set an id for the input element
diff --git a/types/FileUploader/FileUploaderDropContainer.svelte.d.ts b/types/FileUploader/FileUploaderDropContainer.svelte.d.ts
index e891a735..8bed072f 100644
--- a/types/FileUploader/FileUploaderDropContainer.svelte.d.ts
+++ b/types/FileUploader/FileUploaderDropContainer.svelte.d.ts
@@ -50,7 +50,7 @@ export interface FileUploaderDropContainerProps
    * Specify `tabindex` attribute
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Set an id for the input element
diff --git a/types/ListBox/ListBoxField.svelte.d.ts b/types/ListBox/ListBoxField.svelte.d.ts
index f4d8fdba..654b5f0f 100644
--- a/types/ListBox/ListBoxField.svelte.d.ts
+++ b/types/ListBox/ListBoxField.svelte.d.ts
@@ -21,7 +21,7 @@ export interface ListBoxFieldProps
    * Specify the tabindex
    * @default "-1"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Override the default translation ids
diff --git a/types/StructuredList/StructuredListRow.svelte.d.ts b/types/StructuredList/StructuredListRow.svelte.d.ts
index 25f1575b..d4dc923d 100644
--- a/types/StructuredList/StructuredListRow.svelte.d.ts
+++ b/types/StructuredList/StructuredListRow.svelte.d.ts
@@ -19,7 +19,7 @@ export interface StructuredListRowProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 }
 
 export default class StructuredListRow extends SvelteComponentTyped<
diff --git a/types/Tabs/Tab.svelte.d.ts b/types/Tabs/Tab.svelte.d.ts
index fd6601e6..adb9e061 100644
--- a/types/Tabs/Tab.svelte.d.ts
+++ b/types/Tabs/Tab.svelte.d.ts
@@ -26,7 +26,7 @@ export interface TabProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Set an id for the top-level element
diff --git a/types/Tile/ExpandableTile.svelte.d.ts b/types/Tile/ExpandableTile.svelte.d.ts
index 653f81df..6e258598 100644
--- a/types/Tile/ExpandableTile.svelte.d.ts
+++ b/types/Tile/ExpandableTile.svelte.d.ts
@@ -55,7 +55,7 @@ export interface ExpandableTileProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Set an id for the top-level div element
diff --git a/types/Tile/RadioTile.svelte.d.ts b/types/Tile/RadioTile.svelte.d.ts
index 898746aa..152d5aac 100644
--- a/types/Tile/RadioTile.svelte.d.ts
+++ b/types/Tile/RadioTile.svelte.d.ts
@@ -31,7 +31,7 @@ export interface RadioTileProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Specify the ARIA label for the radio tile checkmark icon
diff --git a/types/Tile/SelectableTile.svelte.d.ts b/types/Tile/SelectableTile.svelte.d.ts
index c8287768..94b3b101 100644
--- a/types/Tile/SelectableTile.svelte.d.ts
+++ b/types/Tile/SelectableTile.svelte.d.ts
@@ -37,7 +37,7 @@ export interface SelectableTileProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Specify the ARIA label for the selectable tile checkmark icon
diff --git a/types/Tooltip/Tooltip.svelte.d.ts b/types/Tooltip/Tooltip.svelte.d.ts
index cfc49d5e..649c7f8b 100644
--- a/types/Tooltip/Tooltip.svelte.d.ts
+++ b/types/Tooltip/Tooltip.svelte.d.ts
@@ -50,7 +50,7 @@ export interface TooltipProps
    * Set the button tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * Set an id for the tooltip
diff --git a/types/UIShell/SkipToContent.svelte.d.ts b/types/UIShell/SkipToContent.svelte.d.ts
index 0bae9f01..48600b78 100644
--- a/types/UIShell/SkipToContent.svelte.d.ts
+++ b/types/UIShell/SkipToContent.svelte.d.ts
@@ -13,7 +13,7 @@ export interface SkipToContentProps
    * Specify the tabindex
    * @default "0"
    */
-  tabindex?: string;
+  tabindex?: number;
 
   /**
    * SvelteKit attribute to enable data prefetching