diff --git a/src/App.jsx b/src/App.jsx
index c515fe3..6a3a88e 100755
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -28,6 +28,7 @@ import QuickSettingsPanel from './components/QuickSettingsPanel';
 
 import { useWebSocket } from './utils/websocket';
 import { ThemeProvider } from './contexts/ThemeContext';
+import { useVersionCheck } from './hooks/useVersionCheck';
 
 
 // Main App component with routing
@@ -35,6 +36,9 @@ function AppContent() {
   const navigate = useNavigate();
   const { sessionId } = useParams();
   
+  const { updateAvailable, latestVersion, currentVersion } = useVersionCheck('siteboon', 'claudecodeui');
+  const [showVersionModal, setShowVersionModal] = useState(false);
+  
   const [projects, setProjects] = useState([]);
   const [selectedProject, setSelectedProject] = useState(null);
   const [selectedSession, setSelectedSession] = useState(null);
@@ -399,6 +403,92 @@ function AppContent() {
     }
   };
 
+  // Version Upgrade Modal Component
+  const VersionUpgradeModal = () => {
+    if (!showVersionModal) return null;
+
+    return (
+      <div className="fixed inset-0 z-50 flex items-center justify-center">
+        {/* Backdrop */}
+        <div 
+          className="fixed inset-0 bg-black/50 backdrop-blur-sm"
+          onClick={() => setShowVersionModal(false)}
+        />
+        
+        {/* Modal */}
+        <div className="relative bg-white dark:bg-gray-800 rounded-lg shadow-xl border border-gray-200 dark:border-gray-700 w-full max-w-md mx-4 p-6 space-y-4">
+          {/* Header */}
+          <div className="flex items-center justify-between">
+            <div className="flex items-center gap-3">
+              <div className="w-10 h-10 bg-blue-100 dark:bg-blue-900/30 rounded-lg flex items-center justify-center">
+                <svg className="w-5 h-5 text-blue-600 dark:text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M9 19l3 3m0 0l3-3m-3 3V10" />
+                </svg>
+              </div>
+              <div>
+                <h2 className="text-lg font-semibold text-gray-900 dark:text-white">Update Available</h2>
+                <p className="text-sm text-gray-500 dark:text-gray-400">A new version is ready</p>
+              </div>
+            </div>
+            <button
+              onClick={() => setShowVersionModal(false)}
+              className="p-2 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 rounded-md hover:bg-gray-100 dark:hover:bg-gray-700"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+              </svg>
+            </button>
+          </div>
+
+          {/* Version Info */}
+          <div className="space-y-3">
+            <div className="flex justify-between items-center p-3 bg-gray-50 dark:bg-gray-700/50 rounded-lg">
+              <span className="text-sm font-medium text-gray-700 dark:text-gray-300">Current Version</span>
+              <span className="text-sm text-gray-900 dark:text-white font-mono">{currentVersion}</span>
+            </div>
+            <div className="flex justify-between items-center p-3 bg-blue-50 dark:bg-blue-900/20 rounded-lg border border-blue-200 dark:border-blue-700">
+              <span className="text-sm font-medium text-blue-700 dark:text-blue-300">Latest Version</span>
+              <span className="text-sm text-blue-900 dark:text-blue-100 font-mono">{latestVersion}</span>
+            </div>
+          </div>
+
+          {/* Upgrade Instructions */}
+          <div className="space-y-3">
+            <h3 className="text-sm font-medium text-gray-900 dark:text-white">How to upgrade:</h3>
+            <div className="bg-gray-100 dark:bg-gray-800 rounded-lg p-3 border">
+              <code className="text-sm text-gray-800 dark:text-gray-200 font-mono">
+                git checkout main && git pull && npm install
+              </code>
+            </div>
+            <p className="text-xs text-gray-600 dark:text-gray-400">
+              Run this command in your Claude Code UI directory to update to the latest version.
+            </p>
+          </div>
+
+          {/* Actions */}
+          <div className="flex gap-2 pt-2">
+            <button
+              onClick={() => setShowVersionModal(false)}
+              className="flex-1 px-4 py-2 text-sm font-medium text-gray-700 dark:text-gray-300 bg-gray-100 dark:bg-gray-700 hover:bg-gray-200 dark:hover:bg-gray-600 rounded-md transition-colors"
+            >
+              Later
+            </button>
+            <button
+              onClick={() => {
+                // Copy command to clipboard
+                navigator.clipboard.writeText('git checkout main && git pull && npm install');
+                setShowVersionModal(false);
+              }}
+              className="flex-1 px-4 py-2 text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 rounded-md transition-colors"
+            >
+              Copy Command
+            </button>
+          </div>
+        </div>
+      </div>
+    );
+  };
+
   return (
     <div className="fixed inset-0 flex bg-background">
       {/* Fixed Desktop Sidebar */}
@@ -417,6 +507,10 @@ function AppContent() {
               isLoading={isLoadingProjects}
               onRefresh={handleSidebarRefresh}
               onShowSettings={() => setShowToolsSettings(true)}
+              updateAvailable={updateAvailable}
+              latestVersion={latestVersion}
+              currentVersion={currentVersion}
+              onShowVersionModal={() => setShowVersionModal(true)}
             />
           </div>
         </div>
@@ -458,6 +552,10 @@ function AppContent() {
               isLoading={isLoadingProjects}
               onRefresh={handleSidebarRefresh}
               onShowSettings={() => setShowToolsSettings(true)}
+              updateAvailable={updateAvailable}
+              latestVersion={latestVersion}
+              currentVersion={currentVersion}
+              onShowVersionModal={() => setShowVersionModal(true)}
             />
           </div>
         </div>
@@ -524,6 +622,9 @@ function AppContent() {
         isOpen={showToolsSettings}
         onClose={() => setShowToolsSettings(false)}
       />
+
+      {/* Version Upgrade Modal */}
+      <VersionUpgradeModal />
     </div>
   );
 }