diff --git a/apps/ui/public/r/p-accordion-3.json b/apps/ui/public/r/p-accordion-3.json
index d51b2ce9c..b0f615d59 100644
--- a/apps/ui/public/r/p-accordion-3.json
+++ b/apps/ui/public/r/p-accordion-3.json
@@ -9,7 +9,7 @@
   "files": [
     {
       "path": "registry/default/particles/p-accordion-3.tsx",
-      "content": "import {\n  Accordion,\n  AccordionItem,\n  AccordionPanel,\n  AccordionTrigger,\n} from \"@/registry/default/ui/accordion\";\n\nexport default function Particle() {\n  return (\n    <Accordion className=\"w-full\">\n      <AccordionItem value=\"item-1\">\n        <AccordionTrigger>What is Base UI?</AccordionTrigger>\n        <AccordionPanel>\n          Base UI is a library of high-quality unstyled React components for\n          design systems and web apps.\n        </AccordionPanel>\n      </AccordionItem>\n      <AccordionItem value=\"item-2\">\n        <AccordionTrigger>How do I get started?</AccordionTrigger>\n        <AccordionPanel>\n          Head to the \"Quick start\" guide in the docs. If you've used unstyled\n          libraries before, you'll feel at home.\n        </AccordionPanel>\n      </AccordionItem>\n      <AccordionItem value=\"item-3\">\n        <AccordionTrigger>Can I use it for my project?</AccordionTrigger>\n        <AccordionPanel>\n          Of course! Base UI is free and open source.\n        </AccordionPanel>\n      </AccordionItem>\n    </Accordion>\n  );\n}\n",
+      "content": "import {\n  Accordion,\n  AccordionItem,\n  AccordionPanel,\n  AccordionTrigger,\n} from \"@/registry/default/ui/accordion\";\n\nexport default function Particle() {\n  return (\n    <Accordion className=\"w-full\" multiple>\n      <AccordionItem value=\"item-1\">\n        <AccordionTrigger>What is Base UI?</AccordionTrigger>\n        <AccordionPanel>\n          Base UI is a library of high-quality unstyled React components for\n          design systems and web apps.\n        </AccordionPanel>\n      </AccordionItem>\n      <AccordionItem value=\"item-2\">\n        <AccordionTrigger>How do I get started?</AccordionTrigger>\n        <AccordionPanel>\n          Head to the \"Quick start\" guide in the docs. If you've used unstyled\n          libraries before, you'll feel at home.\n        </AccordionPanel>\n      </AccordionItem>\n      <AccordionItem value=\"item-3\">\n        <AccordionTrigger>Can I use it for my project?</AccordionTrigger>\n        <AccordionPanel>\n          Of course! Base UI is free and open source.\n        </AccordionPanel>\n      </AccordionItem>\n    </Accordion>\n  );\n}\n",
       "type": "registry:block"
     }
   ],
diff --git a/apps/ui/registry/default/particles/p-accordion-3.tsx b/apps/ui/registry/default/particles/p-accordion-3.tsx
index 71c7541f6..6da9a8b09 100644
--- a/apps/ui/registry/default/particles/p-accordion-3.tsx
+++ b/apps/ui/registry/default/particles/p-accordion-3.tsx
@@ -7,7 +7,7 @@ import {
 
 export default function Particle() {
   return (
-    <Accordion className="w-full">
+    <Accordion className="w-full" multiple>
       <AccordionItem value="item-1">
         <AccordionTrigger>What is Base UI?</AccordionTrigger>
         <AccordionPanel>