diff --git a/posts/pinned.json b/posts/pinned.json
new file mode 100644
index 0000000..32960f8
--- /dev/null
+++ b/posts/pinned.json
@@ -0,0 +1,2 @@
+[
+]
\ No newline at end of file
diff --git a/src/app/admin/page.tsx b/src/app/admin/page.tsx
index 7592ffb..5a69534 100644
--- a/src/app/admin/page.tsx
+++ b/src/app/admin/page.tsx
@@ -61,6 +61,7 @@ export default function AdminPage() {
     }
     return [];
   });
+  const [pinFeedback, setPinFeedback] = useState<string | null>(null);
   const router = useRouter();
 
   useEffect(() => {
@@ -300,14 +301,45 @@ export default function AdminPage() {
     }
   };
 
-  const handlePin = (slug: string) => {
-    setPinned((prev) =>
-      prev.includes(slug) ? prev.filter((s) => s !== slug) : [slug, ...prev]
-    );
+  const handlePin = async (slug: string) => {
+    setPinned((prev) => {
+      const newPinned = prev.includes(slug)
+        ? prev.filter((s) => s !== slug)
+        : [slug, ...prev];
+      // Update pinned.json on the server
+      fetch('/api/admin/posts', {
+        method: 'PATCH',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ pinned: newPinned }),
+      })
+        .then((res) => {
+          if (!res.ok) {
+            res.json().then((data) => {
+              setPinFeedback(data.error || 'Failed to update pinned posts');
+            });
+          } else {
+            setPinFeedback(
+              newPinned.includes(slug)
+                ? 'Post pinned!'
+                : 'Post unpinned!'
+            );
+            setTimeout(() => setPinFeedback(null), 2000);
+          }
+        })
+        .catch((err) => {
+          setPinFeedback('Failed to update pinned posts');
+        });
+      return newPinned;
+    });
   };
 
   return (
     <div className="min-h-screen bg-gray-100 p-8">
+      {pinFeedback && (
+        <div className="fixed top-4 left-1/2 transform -translate-x-1/2 bg-blue-600 text-white px-6 py-2 rounded shadow-lg z-50">
+          {pinFeedback}
+        </div>
+      )}
       {!isAuthenticated ? (
         <div className="max-w-md mx-auto bg-white p-8 rounded-lg shadow-md">
           <h1 className="text-2xl font-bold mb-6">Admin Login</h1>
@@ -598,10 +630,15 @@ export default function AdminPage() {
                       key={post.slug}
                       className={`border rounded-lg p-3 flex items-center gap-3 justify-between ${pinned.includes(post.slug) ? 'bg-yellow-100 border-yellow-400' : ''}`}
                     >
-                      <div className="flex-1 text-left">
-                        <div className="font-semibold">{post.title}</div>
-                        <div className="text-xs text-gray-500">{post.date}</div>
-                        <div className="text-xs text-gray-400">{post.summary}</div>
+                      <div className="flex-1 text-left flex items-center gap-2">
+                        {pinned.includes(post.slug) && (
+                          <span title="Pinned" className="text-xl">📌</span>
+                        )}
+                        <div>
+                          <div className="font-semibold">{post.title}</div>
+                          <div className="text-xs text-gray-500">{post.date}</div>
+                          <div className="text-xs text-gray-400">{post.summary}</div>
+                        </div>
                       </div>
                       <button
                         onClick={() => handlePin(post.slug)}
diff --git a/src/app/api/admin/posts/route.ts b/src/app/api/admin/posts/route.ts
index fe12743..f9a001b 100644
--- a/src/app/api/admin/posts/route.ts
+++ b/src/app/api/admin/posts/route.ts
@@ -36,4 +36,23 @@ export async function POST(request: Request) {
       { status: 500 }
     );
   }
+}
+
+export async function PATCH(request: Request) {
+  try {
+    const body = await request.json();
+    const { pinned } = body; // expects an array of slugs
+    if (!Array.isArray(pinned)) {
+      return NextResponse.json({ error: 'Invalid pinned data' }, { status: 400 });
+    }
+    const pinnedPath = path.join(postsDirectory, 'pinned.json');
+    fs.writeFileSync(pinnedPath, JSON.stringify(pinned, null, 2), 'utf8');
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    console.error('Error updating pinned.json:', error);
+    return NextResponse.json(
+      { error: 'Error updating pinned.json' },
+      { status: 500 }
+    );
+  }
 } 
\ No newline at end of file