diff --git a/COMPONENT_INDEX.md b/COMPONENT_INDEX.md
index 45441651..a115ebd8 100644
--- a/COMPONENT_INDEX.md
+++ b/COMPONENT_INDEX.md
@@ -1609,7 +1609,7 @@ None.
 | Prop name                  | Required | Kind             | Reactive | Type                                                              | Default value                  | Description                                                                                                      |
 | :------------------------- | :------- | :--------------- | :------- | ----------------------------------------------------------------- | ------------------------------ | ---------------------------------------------------------------------------------------------------------------- |
 | ref                        | No       | <code>let</code> | Yes      | <code>null &#124; HTMLButtonElement</code>                        | <code>null</code>              | Obtain a reference to the button HTML element                                                                    |
-| isOpen                     | No       | <code>let</code> | Yes      | <code>boolean</code>                                              | <code>false</code>             | Set to `true` to open the panel                                                                                  |
+| open                       | No       | <code>let</code> | Yes      | <code>boolean</code>                                              | <code>false</code>             | Set to `true` to open the panel                                                                                  |
 | icon                       | No       | <code>let</code> | No       | <code>typeof import("svelte").SvelteComponent<any></code>         | <code>undefined</code>         | Specify the icon to render when the action panel is closed.<br />Defaults to `&lt;Switcher size={20} /&gt;`      |
 | closeIcon                  | No       | <code>let</code> | No       | <code>typeof import("svelte").SvelteComponent<any></code>         | <code>undefined</code>         | Specify the icon to render when the action panel is open.<br />Defaults to `&lt;Close size={20} /&gt;`           |
 | text                       | No       | <code>let</code> | No       | <code>string</code>                                               | <code>undefined</code>         | Specify the text.<br />Alternatively, use the named slot "text" (e.g., `&lt;div slot="text"&gt;...&lt;/div&gt;`) |
@@ -3306,7 +3306,7 @@ None.
 
 | Prop name           | Required | Kind             | Reactive | Type                 | Default value          | Description                                                                                                                                                                                                                                                                 |
 | :------------------ | :------- | :--------------- | :------- | -------------------- | ---------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| isOpen              | No       | <code>let</code> | Yes      | <code>boolean</code> | <code>false</code>     | Set to `true` to toggle the expanded state                                                                                                                                                                                                                                  |
+| open                | No       | <code>let</code> | Yes      | <code>boolean</code> | <code>false</code>     | Set to `true` to toggle the expanded state                                                                                                                                                                                                                                  |
 | fixed               | No       | <code>let</code> | No       | <code>boolean</code> | <code>false</code>     | Set to `true` to use the fixed variant                                                                                                                                                                                                                                      |
 | rail                | No       | <code>let</code> | No       | <code>boolean</code> | <code>false</code>     | Set to `true` to use the rail variant                                                                                                                                                                                                                                       |
 | ariaLabel           | No       | <code>let</code> | No       | <code>string</code>  | <code>undefined</code> | Specify the ARIA label for the nav                                                                                                                                                                                                                                          |
diff --git a/docs/src/COMPONENT_API.json b/docs/src/COMPONENT_API.json
index 60178302..e1185074 100644
--- a/docs/src/COMPONENT_API.json
+++ b/docs/src/COMPONENT_API.json
@@ -4893,7 +4893,7 @@
       "filePath": "src/UIShell/HeaderAction.svelte",
       "props": [
         {
-          "name": "isOpen",
+          "name": "open",
           "kind": "let",
           "description": "Set to `true` to open the panel",
           "type": "boolean",
@@ -10723,7 +10723,7 @@
           "reactive": false
         },
         {
-          "name": "isOpen",
+          "name": "open",
           "kind": "let",
           "description": "Set to `true` to toggle the expanded state",
           "type": "boolean",
diff --git a/docs/src/pages/_layout.svelte b/docs/src/pages/_layout.svelte
index 7dd0f43d..5048dac1 100644
--- a/docs/src/pages/_layout.svelte
+++ b/docs/src/pages/_layout.svelte
@@ -46,7 +46,7 @@
   let active = false;
   $: results = miniSearch.search(value).slice(0, 10);
 
-  let isOpen = false;
+  let open = false;
   let isSideNavOpen = true;
   let innerWidth = 2048;
 
@@ -118,7 +118,7 @@
         href="https://github.com/carbon-design-system/carbon-components-svelte"
         target="_blank"
       />
-      <HeaderAction transition="{false}" bind:isOpen>
+      <HeaderAction transition="{false}" bind:open>
         <HeaderPanelLinks>
           <HeaderPanelDivider>Carbon Svelte portfolio</HeaderPanelDivider>
           <HeaderPanelLink
@@ -153,7 +153,7 @@
     </HeaderUtilities>
   </Header>
 
-  <SideNav bind:isOpen="{isSideNavOpen}">
+  <SideNav bind:open="{isSideNavOpen}">
     <SideNavItems>
       {#each components.children.filter((child) => !deprecated.includes(child.title)) as child (child.path)}
         <SideNavMenuItem
diff --git a/types/UIShell/HeaderAction.svelte.d.ts b/types/UIShell/HeaderAction.svelte.d.ts
index 43b44833..13f5517f 100644
--- a/types/UIShell/HeaderAction.svelte.d.ts
+++ b/types/UIShell/HeaderAction.svelte.d.ts
@@ -8,7 +8,7 @@ export interface HeaderActionProps extends RestProps {
    * Set to `true` to open the panel
    * @default false
    */
-  isOpen?: boolean;
+  open?: boolean;
 
   /**
    * Specify the icon to render when the action panel is closed.
diff --git a/types/UIShell/SideNav.svelte.d.ts b/types/UIShell/SideNav.svelte.d.ts
index 7ed6d570..0d48dc27 100644
--- a/types/UIShell/SideNav.svelte.d.ts
+++ b/types/UIShell/SideNav.svelte.d.ts
@@ -26,7 +26,7 @@ export interface SideNavProps extends RestProps {
    * Set to `true` to toggle the expanded state
    * @default false
    */
-  isOpen?: boolean;
+  open?: boolean;
 
   /**
    * The window width (px) at which the SideNav is expanded and the hamburger menu is hidden.