diff --git a/apps/www/src/content/docs/components/sidebar/props.ts b/apps/www/src/content/docs/components/sidebar/props.ts
index bca5abc7e..ccf03e15a 100644
--- a/apps/www/src/content/docs/components/sidebar/props.ts
+++ b/apps/www/src/content/docs/components/sidebar/props.ts
@@ -7,11 +7,13 @@ export interface SidebarRootProps {
   /** Callback when expanded/collapsed state changes. */
   onOpenChange?: (open: boolean) => void;
 
-  /** Default expanded/collapsed state.*/
+  /** Default expanded/collapsed state.
+   * @default true
+   */
   defaultOpen?: boolean;
 
   /** Disable the click to collapse/expand the Sidebar.
-   * @default undefined
+   * @default true
    */
   collapsible?: boolean;
 
diff --git a/packages/raystack/components/sidebar/__tests__/sidebar.test.tsx b/packages/raystack/components/sidebar/__tests__/sidebar.test.tsx
index 12f9c2227..bbbc6e3e7 100644
--- a/packages/raystack/components/sidebar/__tests__/sidebar.test.tsx
+++ b/packages/raystack/components/sidebar/__tests__/sidebar.test.tsx
@@ -1,8 +1,8 @@
 import { fireEvent, render, screen } from '@testing-library/react';
 import { describe, expect, it, vi } from 'vitest';
 import { Sidebar } from '../sidebar';
-import { SidebarRootProps } from '../sidebar-root';
 import styles from '../sidebar.module.css';
+import { SidebarRootProps } from '../sidebar-root';
 
 const HEADER_TEXT = 'Apsara';
 const MAIN_GROUP_LABEL = 'Main';
@@ -101,7 +101,8 @@ describe('Sidebar', () => {
       render(<BasicSidebar open={false} />);
 
       const nav = screen.getByRole('navigation');
-      expect(nav).toHaveAttribute('data-state', 'collapsed');
+      expect(nav).toHaveAttribute('data-closed');
+      expect(nav).not.toHaveAttribute('data-open');
     });
 
     it('does not show handle when not collapsible', () => {
diff --git a/packages/raystack/components/sidebar/sidebar-root.tsx b/packages/raystack/components/sidebar/sidebar-root.tsx
index d9945cf07..463d44a2a 100644
--- a/packages/raystack/components/sidebar/sidebar-root.tsx
+++ b/packages/raystack/components/sidebar/sidebar-root.tsx
@@ -1,13 +1,11 @@
 'use client';
 
 import { cx } from 'class-variance-authority';
-import { Collapsible } from 'radix-ui';
 import {
   ComponentPropsWithoutRef,
-  ComponentRef,
-  ReactNode,
   createContext,
   forwardRef,
+  ReactNode,
   useCallback,
   useState
 } from 'react';
@@ -23,18 +21,17 @@ export const SidebarContext = createContext<SidebarContextValue>({
   isCollapsed: false
 });
 
-export interface SidebarRootProps
-  extends ComponentPropsWithoutRef<typeof Collapsible.Root> {
+export interface SidebarRootProps extends ComponentPropsWithoutRef<'aside'> {
   position?: 'left' | 'right';
   hideCollapsedItemTooltip?: boolean;
   collapsible?: boolean;
   tooltipMessage?: ReactNode;
+  open?: boolean;
+  defaultOpen?: boolean;
+  onOpenChange?: (open: boolean) => void;
 }
 
-export const SidebarRoot = forwardRef<
-  ComponentRef<typeof Collapsible.Root>,
-  SidebarRootProps
->(
+export const SidebarRoot = forwardRef<HTMLElement, SidebarRootProps>(
   (
     {
       className,
@@ -44,14 +41,13 @@ export const SidebarRoot = forwardRef<
       hideCollapsedItemTooltip,
       collapsible = true,
       tooltipMessage,
-      defaultOpen,
+      defaultOpen = true,
       children,
       ...props
     },
     ref
   ) => {
     const [internalOpen, setInternalOpen] = useState(defaultOpen);
-
     const open = providedOpen ?? internalOpen;
 
     const handleOpenChange = useCallback(
@@ -67,50 +63,46 @@ export const SidebarRoot = forwardRef<
         value={{ isCollapsed: !open, hideCollapsedItemTooltip }}
       >
         <Tooltip.Provider>
-          <Collapsible.Root
+          <aside
             ref={ref}
             className={cx(styles.root, className)}
             data-position={position}
-            data-state={open ? 'expanded' : 'collapsed'}
-            data-collapse-disabled={!collapsible}
-            open={open}
-            onOpenChange={collapsible ? handleOpenChange : undefined}
+            data-open={open ? '' : undefined}
+            data-closed={!open ? '' : undefined}
+            data-collapse-disabled={!collapsible ? '' : undefined}
             aria-label='Navigation Sidebar'
             aria-expanded={open}
             role='navigation'
             {...props}
-            asChild
           >
-            <aside>
-              {collapsible && (
-                <Tooltip
-                  message={
-                    tooltipMessage ??
-                    (open ? 'Click to collapse' : 'Click to expand')
-                  }
-                  side={position === 'left' ? 'right' : 'left'}
-                  asChild
-                  followCursor
-                  sideOffset={10}
-                >
-                  <div
-                    className={styles.resizeHandle}
-                    onClick={() => handleOpenChange(!open)}
-                    role='button'
-                    tabIndex={0}
-                    aria-label={open ? 'Collapse sidebar' : 'Expand sidebar'}
-                    onKeyDown={e => {
-                      if (e.key === 'Enter' || e.key === ' ') {
-                        e.preventDefault();
-                        handleOpenChange(!open);
-                      }
-                    }}
-                  />
-                </Tooltip>
-              )}
-              {children}
-            </aside>
-          </Collapsible.Root>
+            {collapsible && (
+              <Tooltip
+                message={
+                  tooltipMessage ??
+                  (open ? 'Click to collapse' : 'Click to expand')
+                }
+                side={position === 'left' ? 'right' : 'left'}
+                asChild
+                followCursor
+                sideOffset={10}
+              >
+                <div
+                  className={styles.resizeHandle}
+                  onClick={() => handleOpenChange(!open)}
+                  role='button'
+                  tabIndex={0}
+                  aria-label={open ? 'Collapse sidebar' : 'Expand sidebar'}
+                  onKeyDown={e => {
+                    if (e.key === 'Enter' || e.key === ' ') {
+                      e.preventDefault();
+                      handleOpenChange(!open);
+                    }
+                  }}
+                />
+              </Tooltip>
+            )}
+            {children}
+          </aside>
         </Tooltip.Provider>
       </SidebarContext.Provider>
     );
diff --git a/packages/raystack/components/sidebar/sidebar.module.css b/packages/raystack/components/sidebar/sidebar.module.css
index 018f97c22..ed084adf8 100644
--- a/packages/raystack/components/sidebar/sidebar.module.css
+++ b/packages/raystack/components/sidebar/sidebar.module.css
@@ -20,11 +20,11 @@
   border-left: 1px solid var(--rs-color-border-base-primary);
 }
 
-.root[data-state="expanded"] {
+.root[data-open] {
   width: 240px;
 }
 
-.root[data-state="collapsed"] {
+.root[data-closed] {
   width: 57px;
 }
 
@@ -46,11 +46,11 @@
   align-items: flex-start;
 }
 
-.root[data-state="collapsed"] .main {
+.root[data-closed] .main {
   align-items: center;
 }
 
-.root[data-state="collapsed"] [data-collapse-hidden="true"] {
+.root[data-closed] [data-collapse-hidden] {
   display: none;
 }
 
@@ -73,7 +73,7 @@
   box-sizing: border-box;
 }
 
-.root[data-state="collapsed"] .nav-item {
+.root[data-closed] .nav-item {
   justify-content: center;
 }
 
@@ -119,7 +119,7 @@
   transition: opacity 0.2s ease;
 }
 
-.root[data-state="collapsed"] .nav-text {
+.root[data-closed] .nav-text {
   width: 0;
   opacity: 0;
   display: none;
@@ -136,7 +136,7 @@
   transform: translateX(50%);
 }
 
-.root[data-collapse-disabled="true"] .resizeHandle {
+.root[data-collapse-disabled] .resizeHandle {
   display: none;
 }
 
@@ -158,7 +158,7 @@
   width: 100%;
 }
 
-.root[data-state="collapsed"] .nav-group {
+.root[data-closed] .nav-group {
   align-items: center;
 }
 
@@ -186,7 +186,7 @@
   width: 100%;
 }
 
-.root[data-state="collapsed"] .nav-group-label {
+.root[data-closed] .nav-group-label {
   width: 0;
   opacity: 0;
   display: none;